Stainless Steel Fasteners Manufacturer in India
ASTM A193 Stainless Steel Nuts and Bolts supplier in Mumbai
Stainless Steel Fasteners
SS Nut Bolt
ASTM A193 SS Washers
High Tensile Stainless Steel Bolts manufacturer in India accordance to F593c/ ASTM A276
Stainless steel nut bolt are designed to provide leak-free, cost saving solutions in instrumentation and power applications. The SS Nut Bolt are plated with silver, which prevents galling, which could occur due to fluctuations across a range of temperatures. Silver plating also extends the life of the fitting. The compounds used to produce coated stainless steel fasteners include silver, Black Oxide Brass, Automotive, Chromate, Cadmium and Phosphate. Other coating compounds that could be used for coating Self-drilling stainless steel fasteners are PTFE and Teflon. Stainless steel bolts and nuts can also be galvanized with Zinc, which forms a protective covering around the fasteners. Passivated stainless steel fasteners are have a high resistance to rust. Stainless steel fasteners is passivated by coating to remove free ions on its surface with the help of an acidic solution, thus preventing rusting.
Table of Content
- Spec Chart of Stainless Steel Fasteners
- stainless steel fasteners manufacturers in India
- SS Hex Nuts Price List
- Chemical Structure of SS Nut Bolt
- Mechanical Properties Chart of ASTM A193 SS Countersunk Bolts
- Equivalent material of ASTM A193 Stainless Steel Dome Nuts
- Stainless Steel Bolts Dimensions
- Dimensions of Stainless Steel Nuts
- Torque Chart of Stainless Steel Bolts
- Dimensions of Stainless Steel Heavy Hex Nuts
- Size Chart of Stainless Steel Nuts
- ASTM Standard of SA193 Stainless Steel Fasteners
The pressure rating for Stainless Steel Bolts is up to 60000 psi for high pressure fittings while its temperature rating goes up to 537°C or 1000°F. The materials used to make Stainless steel nut and bolt are SS 304 Bolts, 316 Stainless Steel Bolts , 316L, 309, 310, 317L, 321, 347, 409, 410, 420, 430, 446, 202 etc.A benefit of using polished stainless steel fasteners is its high resistance to corrosion & rust and are low maintenance. A novel innovation in the field is the introduction of Coloured stainless steel fasteners. A thin layer of coloured coating is applied on the fitting. The colour coating is known to be non-corrosive, UV resistant and hard wearing. These fittings come in bright colours like black, red, blue, brass, green and copper.
Heavy duty stainless steel snap fasteners are used in industries like Medical, Electronics, Energy Food Processing, Mining, Agricultural Automotive, Construction, Nuclear, Oil, Gas, Petroleum Transportation and Heavy Machinery Marine. Since Stainless steel marine fasteners show high resistance to corrosive fluids & to environmental conditions, they are find application in the manufacturing process of marine parts or fitting.We deal with major Stainless Steel Fasteners Manufacturers in India. You can find the Stainless steel fasteners price list here.
There are 2 types of Stainless Steel Fasteners manufactured by Siddhagiri, these are temporary fasteners and permanent fasteners. As a leading SS Nut Bolt Manufacturers in Mumbai we offer self protecting against corrosion (rust), Pitting, Crevice Corrosion, Stress Corrosion Cracking and Galvanic Corrosion. All grades of Stainless Steel Nut Bolt such as austenitic (A1-A5) and martensitic (C1-C4) stainless steel bolting can be produced, from class 50 through to 100. When compared to Carbon steel, the additional Chromium content in Stainless Steel Fasteners helps to protect against corrosion. The most commonly use SS fasteners are Coated stainless steel fasteners, SS Nut Bolt, SS Nuts, SS studs, Stainless steel screws, threaded rod and SS washers. Buy from SS Nut Bolt manufacturers in Mumbai for Low cost & high strength.
Siddhagiri is the biggest and the largest manufacturer of stainless steel fasteners, SS Nut Bolt, hex bolts, hex screws, hex nuts, washers in India. We produce all types of SS Fasteners which are used in marine, sewage, water and desalination plants in counties like, Oman, U.A.E., Qatar, Dubai, Bahrain, UK, Malaysia, Indonesia, Singapore, Australia, Canada, South Africa, Saudi arabia etc. We are PED approved and ISO certified Stainless Steel Fasteners Manufacturers in India. We offer lowest price of stainless steel nut bolts in Mumbai. These SS fasteners are used in daily applications and most critical engineering challenges in many industrial applications.
We can manufacture these Coated stainless steel fasteners & stainless steel Nut Bolt material as per ANSI, ASME, DIN, BS and JIP norms. There are many Grades available in stainless steel fasteners. SS Bolts are mainly used in civil construction, decoration and automobile sectors and also suitable for high temperature applications.
| Stainless Steel Fasteners Standard | ASTM A194 / ASME SA 193 |
|---|---|
| Size | M 02 to M 33 |
| Length | 3 mm to 200 mm |
| Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Standard: | DIN, ISO, JIS, GB, IS, BS, ASTM, ANSI – American National Standards Institute
DIN: DIN 931, DIN 933, DIN 934, DIN 970 UTS – Unified Thread Standard : UNC, UNF, UNEF, UNS, NPT, NPTF ISO – International Organization for Standardization : ISO 4032, ISO 4033, JIS standards |
| SCOPE OF MANUFACTURE |
|
| Stainless Steel Fasteners Dia | M6 to M64 (1/4" - 2.5") |
| Length | 12 MM - 500 MM (Upto 20 Inch) |
| IS | 1363, 1364 |
| DIN | 931, 933 |
| ISO | ISO 3506 |
| Stainless Steel Fasteners Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| stainless steel fasteners Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Finishing: | Zinc (yellow, white, blue, black), black oxide, , Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Passivated, Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Mechanically Applied coating and some special one like DACROMET |
| Stainless Steel Fasteners Production process | M2-M24: Cold Froging, hot forging M24-M100, , machining and CNC for Customized connecting element |
| Origin and service-region: | European, Origin of Western European. However projects with eastern origin are possible on request. |
| Top Manufacturers | SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fasteners Etc. |
| Stainless Steel Fasteners Types | stainless steel Nuts, Bolts, Screws, Socket Screw, Sockets, Studs, Screw, Nut, Spring Washers, Hex Set Screw, Socket Hexagon Head Screw, Cap Screw, Wing Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Studs, Anchors, Hex Nut,Marine Anchors, Hexagon Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Anchor Bolt, U- Bolts, J Bolts, T-Head Bolts, Mushroom Head Square Neck Bolts, Eye Bolt, Foundation Bolts, Structural Bolts |
SA193 SS Hex Bolts
ASTM A193 SS Countersunk Bolts
Stainless Steel U Bolts
ASME SA193 SS Tie Rods
ASTM A193 Stainless Steel Dome Nuts
SS Hex Nuts
ASTM A193 SS Lock Nuts
SA193 Stainless Steel Wing Nuts
Coated/ Coloured Marine Grade Stainless Steel Cup Head bolts In Both Metric and Imperial (BSW, BSF, BA, UNC & UNF) Thread Forms
| Fasteners Type | Price Per Piece |
|---|---|
| M8~M72 alloy steel bolt Fasteners price per piece | US $0.20-$2.00 |
| Din975 High quality M8 bolt Fasteners price per piece | US $0.50-$2.00 |
| Stainless Steel UNS stud bolt Fasteners c/w 2 heavy hex nut | US $15.60-$19.00 |
| UNS Stainless Steel Big NUT Heavy hex Nut Fasteners | US $14.80-$15.60 |
| stainless steel Hex bolt and nut Fasteners | US $0.01-$0.50 |
| HEX CAP SCREW / BOLT | US $0.10-$100.00 |
| Din975 High quality M8 bolt Fasteners price per piece | US $0.50-$2.00 |
| High quality price stud bolts Fasteners with hex nut | US $0.01-$2.00 |
| cotter pin bolt Fasteners | US $0.10-$5.00 |
| Cheap hex bolt and nut Fasteners | US $0.04-$0.60 |
| High quality M8 bolt price per piece | US $0.50-$2.00 |
| Stainless Steel UNS 12 Point Flange Bolt Fasteners | US $3.20-$3.60 |
| UNS DIN/ EN 12 point bolt flange shoulder bolt U bolt eye bolt Fasteners | US $10.50-$12.00 |
| UNS hex nut 3/8-16 5/16-18 Fasteners | US $0.20-$0.50 |
Refer our Stainless Steel Fasteners supplied to Asian countries and other continents of World
| Philippines, Dammam -KSA, Belgium, Indonesia | Custom Class Stainless Steel Fasteners |
| Europe, Qatar, Thailand, France | Stainless Steel Galvanized Bolt and Nut Fastener DIN 1624 |
| Thailand, Czechia, Malaysia, Germany | Fasteners Stainless Steel (ss) Hex Bolt and Nuts A2-70 |
| Bangladesh, Malaysia, Finland, USA | Stainless Steel M27 Hex Head Bolt Fastener DIN931 |
| Kuwait, South Africa, Brazil, Saudi Arabia (KSA) | DIN931 DIN933 Stainless Steel Hexagon Hex Bolt Screw Fastener |
| Singapore, Bahrain, Singapore, South Africa | Stainless Steel M8 T Head Bolt |
| UK, Philippines, Nigeria, Australia | stainless steel screws 8*4*4mm |
| Hong Kong, Oman, UAE, Malaysia | m6 m7 carbon stainless steel flange head bolt |
| Iran, Chile, Singapore, Italy | Stainless Steel Belt Fastener/PVC Conveyor Belt Fastener |
| Norway, United Arab Emirates (UAE), Malaysia, Turkey | Stainless Steel Countersunk Phillip Self Tapping Screws Fasteners M0.8 M1 M1.2 M1.6 |
| Russia, Netherlands, Dubai, Malaysia | Marine Boat Parts Stainless Steel Anti-Rattle Hatch Fastener |
| Mexico, Egypt, UK, Spain | Stainless steel din916 hex socket set screw with cup point |
| Malaysia, United Kingdom -UK, UAE, Europe | Stainless Steel Cross Recessed Screw Fastener M2 M4 |
| Poland, UK, Ellington -United States, Canada | Full Thread Stainless Steel Thread Bolt Fastener |
| Canada, Philippines, Singapore, Malaysia | Stainless Steel CNC Fasteners for F1 Racing (LM-322F) |
| Romania, Europe, Malaysia, Japan | DIN916 Stainless Steel Set Screws Point Standard Fastener |
| Malaysia, Sweden, China, Colombia | Unigrip Stainless Steel Pop Rivet Fastener |
| Los Alamos -Mexico, Malaysia, Philippines, Taiwan | 1/4" Stainless Steel Polish Camera Bolts |
| NY 12203 (USA), Singapore, Malaysia, South Korea | Forged Stainless Steel Marine Chair Fastener |
Manufacturer and exporter of Heavy Duty Stainless Steel Snap Fasteners, Wood Screws, Self Tapping Screws, and Flat Washers, View Sizes, Weight Chart and SS Bolts price List ex Mumbai
| Stainless Steel Fasteners Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti | Fe | |
| 304 Fasteners | min. | 18.0 | 8.0 | |||||||||
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||||
| 304L | min. | 18.0 | 8.0 | |||||||||
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||||
| 304H | min. | 0.04 | 18.0 | 8.0 | ||||||||
| max. | 0.010 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||||
| Stainless Steel 310 | 0.015 max | 2 max | 0.015 max | 0.020 max | 0.015 max | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 min | |||
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 0.75 max | 19.00 21.00 | 53.095 min | |||
| Stainless Steel 310H | 0.04 0.10 | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 19.00 21.00 | 53.885 min | ||||
| 316 | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316L | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316TI | 0.08 max | 10.00 14.00 | 2.0 max | 0.045 max | 0.030 max | 16.00 18.00 | 0.75 max | 2.00 3.00 | ||||
| 317 | 0.08 max | 2 max | 1 max | 0.045 max | 0.030 max | 18.00 20.00 | 3.00 4.00 | 57.845 min | ||||
| Stainless Steel 317L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 20.00 | 3.00 4.00 | 11.00 15.00 | 57.89 min | |||
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 19.00 | 9.00 12.00 | 0.10 max | 5(C+N) 0.70 max | |||
| Stainless Steel 321H | 0.04 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 19.00 | 9.00 12.00 | 0.10 max | 4(C+N) 0.70 max | |||
| 347/ 347H | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 20.00 | 9.0013.00 | |||||
| 410 Fasteners | min. | 11.5 | ||||||||||
| max. | 0.15 | 1.0 | 1.00 | 0.040 | 0.030 | 13.5 | 0.75 | |||||
| 446 | min. | 23.0 | 0.10 | |||||||||
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | 0.50 | 0.25 | ||||
| 904L Fasteners | min. | 19.0 | 4.00 | 23.00 | 0.10 | |||||||
| max. | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 5.00 | 28.00 | 0.25 | |||
Compare our price with any Stainless Steel Bolts manufacturers in India, Lowest Price guaranteed! Large stock of M5/ M10 Black SS Polished Toggle Bolts, Rivet Nuts and Bolting material in Mumbai
| Stainless Steel Fasteners Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 304/ 304L Fasteners | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 310 / 310S / 310H | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 306/ 316H Fasteners | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 316L | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 317 | 7.9 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 321 | 8.0 g/cm3 | 1457 °C (2650 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 347 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 904L Fasteners | 7.95 g/cm3 | 1350 °C (2460 °F) | Psi 71000 , MPa 490 | Psi 32000 , MPa 220 | 35 % |
| Stainless Steel Fasteners STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
| SS 304H | 1.4301 | S30409 | – | – | – | – | – |
| SS 310 Fasteners | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
| SS 310H | – | S31009 | – | – | – | – | – |
| SS 316 Fasteners | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| SS 316H | 1.4401 | S31609 | – | – | – | – | – |
| SS 316Ti Fasteners | 1.4571 | S31635 | SUS 316Ti | 320S31 | 08Ch17N13M2T | Z6CNDT17‐123 | X6CrNiMoTi17-12-2 |
| SS 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
| SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
| SS 321 Fasteners | 1.4541 | S32100 | SUS 321 | – | – | – | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | – | – | – | X12CrNiTi18-9 |
| SS 347 | 1.4550 | S34700 | SUS 347 | – | 08Ch18N12B | – | X6CrNiNb18-10 |
| SS 347H Fasteners | 1.4961 | S34709 | SUS 347H | – | – | – | X6CrNiNb18-12 |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNESS |
ACROSS THE FLATS |
ACROSS BOLTS CORNERS |
||||
|---|---|---|---|---|---|---|---|---|
D (MAX) |
D (MIN) |
H (MAX) |
H (MIN) |
F (MAX) |
F (MIN) |
C (MAX) |
C (MIN) |
|
m10 |
10.00 |
9.78 |
6.63 |
6.17 |
17.00 |
15.73 |
18.48 |
17.77 |
m12 |
12.00 |
11.73 |
7.76 |
4.24 |
19.00 |
17.73 |
20.78 |
20.03 |
m14 |
14.00 |
13.73 |
9.09 |
8.51 |
22.00 |
20.67 |
24.25 |
23.35 |
m16 |
16.00 |
15.73 |
10.32 |
9.68 |
24.00 |
23.67 |
27.71 |
26.75 |
m20 |
20.00 |
19.67 |
12.88 |
12.12 |
30.00 |
29.16 |
34.64 |
32.95 |
m24 |
24.00 |
23.67 |
15.44 |
14.56 |
36.00 |
35.00 |
41.57 |
39.55 |
m30 |
30.00 |
29.67 |
19.48 |
17.92 |
46.00 |
45.00 |
53.12 |
50.85 |
m36 |
36.00 |
35.61 |
23.38 |
21.63 |
55.00 |
53.80 |
63.51 |
60.79 |
m42 |
42.00 |
41.38 |
26.97 |
25.03 |
65.00 |
62.90 |
75.06 |
71.71 |
m48 |
48.00 |
47.38 |
31.07 |
28.93 |
75.00 |
72.60 |
86.60 |
82.76 |
m56 |
56.00 |
55.26 |
36.2 |
33.80 |
85.00 |
82.20 |
98.15 |
93.71 |
m64 |
64.00 |
63.26 |
41.32 |
38.68 |
95.00 |
91.80 |
109.70 |
104.65 |
m72 |
72.00 |
71.26 |
46.45 |
43.55 |
105.00 |
101.40 |
121.24 |
115.60 |
m80 |
80.00 |
79.26 |
51.58 |
48.42 |
115.00 |
111.00 |
132.72 |
126.54 |
m90 |
90.00 |
89.13 |
57.74 |
54.26 |
130.00 |
125.50 |
150.11 |
143.07 |
m100 |
90.00 |
99.13 |
63.9 |
60.10 |
145.00 |
140.00 |
167.43 |
159.60 |
Saudi Aramco approved Grade 8 Stainless Steel Nuts and Bolts, Passivated SS Through/ Elevator/ Barrel Bolts supplier in India, buy high quality SS Fasteners for Petrochemical, Oil & Gas sectors
| Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
| Width, Across Flats | Width, Across Corners | Thickness | |||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | .2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | .226 | .212 |
| 5/16 | .3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | .273 | .258 |
| 3/8 | .3750 | 9/16 | .562 | .551 | .650 | .628 | 21/64 | .337 | .479 |
| 7/16 | .4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | .385 | .365 |
| 1/2 | .5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | .448 | .427 |
| 9/16 | .5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | .496 | .473 |
| 5/8 | .6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 35/64 | .559 | .535 |
| 3/4 | .7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | .665 | .617 |
| 7/8 | .8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | .776 | .724 |
| 1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | .887 | .831 |
| 1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | .999 | .939 |
| 1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
| 1-1/2 | 1.500 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.ASTM A194 GR. 8 | 1.245 |
| 1-5/8 | 1.6250 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.686 | 1-25/64 | 1.429 | 1.353 |
| 1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
| 2 | 2.0000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
| 2-1/4 | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
| 2-1/2 | 2.5000 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 2-5/32 | 2.209 | 2.105 |
| 2-3/4 | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 2-3/8 | 2.431 | 2.319 |
| Torque Specifications | |||||||
|---|---|---|---|---|---|---|---|
|
Stainless Steel Bolt Size, Inches or #
|
Threads, Per Inch
|
Standard Dry Torque in Inch-Pounds
|
|||||
|
304
Stainless Steel |
316
Stainless Steel |
||||||
| #2 | 56 | 2.5 | 2.6 | ||||
| 64 | 3.0 | 3.2 | |||||
| #3 | 48 | 3.9 | 4.0 | ||||
| 56 | 4.4 | 4.6 | |||||
| #4 | 40 | 5.2 | 5.5 | ||||
| 48 | 6.6 | 6.9 | |||||
| #5 | 40 | 7.7 | 8.1 | ||||
| 44 | 9.4 | 9.8 | |||||
| #6 | 32 | 9.6 | 10.1 | ||||
| 40 | 12.1 | 12.7 | |||||
| #8 | 32 | 19.8 | 20.7 | ||||
| 36 | 22.0 | 23.0 | |||||
| #10 | 24 | 22.8 | 23.8 | ||||
| 32 | 31.7 | 33.1 | |||||
|
Bolt Size, Inches or #
|
Threads, Per Inch
|
Standard Dry Torque in Inch-Pounds
|
|||||
|
304
Stainless Steel |
316
Stainless Steel |
||||||
| 1/4 | 20 | 75.2 | 78.8 | ||||
| 28 | 94.0 | 99.0 | |||||
| 5/16 | 18 | 132 | 138 | ||||
| 24 | 142 | 147 | |||||
| 3/8 | 16 | 236 | 247 | ||||
| 24 | 259 | 271 | |||||
| 7/16 | 14 | 376 | 393 | ||||
| 20 | 400 | 418 | |||||
| 1/2 | 13 | 517 | 542 | ||||
| 20 | 541 | 565 | |||||
|
Bolt Size, Inches or #
|
Threads, Per Inch
|
Standard Dry Torque in Inch-Pounds
|
|||||
|
304
Stainless Steel |
316
Stainless Steel |
||||||
| 9/16 | 12 | 682 | 713 | ||||
| 18 | 752 | 787 | |||||
| 5/8 | 11 | 1110 | 1160 | ||||
| 18 | 1244 | 1301 | |||||
| 3/4 | 10 | 1530 | 1582 | ||||
| 16 | 1490 | 1558 | |||||
| 7/8 | 9 | 2328 | 2430 | ||||
| 14 | 2318 | 2420 | |||||
| 1 | 8 | 3440 | 3595 | ||||
| 14 | 3110 | 3250 | |||||
|
Bolt Size, Inches or #
|
Threads, Per Inch
|
Standard Dry Torque in Foot-Pounds
|
|||||
|
304
Stainless Steel |
316
Stainless Steel |
||||||
| 1 1/8 | 7 | 413 | 432 | ||||
| 12 | 390 | 408 | |||||
| 1 1/4 | 7 | 523 | 546 | ||||
| 12 | 480 | 504 | |||||
| 1 1/2 | 6 | 888 | 930 | ||||
| 12 | 703 | 732 | |||||
| Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
| Width Across Flats | Width Across Corners | Thickness | |||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | .2500 | 1/2 | .500 | .488 | .577 | .556 | 15/64 | .250 | .218 |
| 5/16 | .3125 | 9/16 | .562 | .546 | .650 | .622 | 19/64 | .314 | .280 |
| 3/8 | .3750 | 11/16 | .688 | .669 | .794 | .763 | 23/64 | .377 | .341 |
| 7/16 | .4375 | 3/4 | .750 | .728 | .866 | .830 | 27/64 | .441 | .403 |
| 1/2 | .5000 | 7/8 | .875 | .850 | 1.010 | .969 | 31/64 | .504 | .464 |
| 9/16 | .5625 | 15/16 | .938 | .909 | 1.083 | 1.037 | 35/64 | .568 | .526 |
| 5/8 | .6250 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 39/64 | .631 | .587 |
| 3/4 | .7500 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.382 | 47/64 | .758 | .710 |
| 7/8 | .8750 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 55/64 | .885 | .833 |
| 1 | 1.0000 | 1-5/8 | 1.325 | 1.575 | 1.876 | 1.796 | 63/64 | 1.012 | .956 |
| 1-1/8 | 1.1250 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 1-7/64 | 1.139 | 1.079 |
| 1-1/4 | 1.2500 | 2 | 2.000 | 1.938 | 2.309 | 2.209 | 1-7/32 | 1.251 | 1.187 |
| 1-3/8 | 1.3750 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 1-11/32 | 1.378 | 1.460 |
| 1-1/2 | 1.5000 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1-15/32 | 1.505 | 1.433 |
| 1-5/8 | 1.6250 | 2-9/16 | 2.562 | 2.481 | 2.959 | 2.828 | 1-19/32 | 1.632 | 1.556 |
| 1-3/4 | 1.7500 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-23/32 | 1.759 | 1.679 |
| 2 | 2.0000 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-31/32 | 2.013 | 1.925 |
| 2-1/4 | 2.2500 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 2-13/64 | 2.251 | 2.155 |
| 2-1/2 | 2.5000 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 2-29/64 | 2.505 | 2.401 |
| 2-3/4 | 2.7500 | 4-1/4 | 4.250 | 4.112 | 4.907 | 4.688 | 2-45/64 | 2.759 | 2.647 |
| 3 | 3.0000 | 4-5/8 | 4.625 | 4.475 | 5.340 | 5.102 | 2-61/64 | 3.013 | 2.893 |
| 3-1/4 | 3.2500 | 5 | 5.000 | 4.838 | 5.774 | 5.515 | 3-3/16 | 3.252 | 3.124 |
| 3-1/2 | 3.5000 | 5-3/8 | 5.375 | 5.200 | 6.207 | 5.928 | 3-7/16 | 3.506 | 3.370 |
| 3-3/4 | 3.7500 | 5-3/4 | 5.750 | 5.562 | 6.640 | 6.341 | 3-11/16 | 3.670 | 3.616 |
| 4 | 4.0000 | 6-1/8 | 6.125 | 5.925 | 7.073 | 6.755 | 3-15/16 | 4.014 | 3.862 |
Stainless Steel Nuts Size, (mm) |
Diameter*, (mm) |
Height, (mm) |
||
|---|---|---|---|---|
Hex Nuts |
Jam Nuts |
Nylock Nuts |
||
2 |
4 |
1.6 |
1.2 |
- |
2.5 |
5 |
2 |
1.6 |
- |
3 |
5.5 |
2.4 |
1.8 |
4 |
4 |
7 |
3.2 |
2.2 |
5 |
5 |
8 |
4 |
2.7 |
5 |
6 |
10 |
5 |
3.2 |
6 |
7 |
11 |
5.5 |
3.5 |
- |
8 |
13 |
6.5 |
4 |
8 |
10 |
17 |
8 |
5 |
10 |
12 |
19 |
10 |
6 |
12 |
14 |
22 |
11 |
7 |
14 |
16 |
24 |
13 |
8 |
16 |
18 |
27 |
15 |
9 |
18.5 |
20 |
30 |
16 |
10 |
20 |
*This is the diameter across the flats. It is also the size of wrench to use. |
||||
| B18.1.1 Fasteners | Small Solid SS Rivets | B18.8.1 Fasteners | Stainless Steel Clevis Pins and Cotter Pins |
|---|---|---|---|
| B18.1.2 Fasteners | Large SS Rivets | B18.8.2 Fasteners | SS Taper Pins, Dowel Pins, Straight Pins, Grooved Pins and Spring Pins |
| B18.2.1 Fasteners | Stainless Steel Square and Hex Bolts and Screws | B18.9 Fasteners | Stainless Steel Plow Bolts |
| B18.2.2 Fasteners | Stainless Steel Square and Hex Nuts | B18.10 Fasteners | SS Track Bolts and Nuts |
| B18.2.6 Fasteners | Stainless Steel Fasteners for use in Structural Applications | B18.11 Fasteners | Miniature SS Screws |
| B18.3 Fasteners | Stainless Steel Socket Cap, Shoulder and Set Screws | B18.13 Fasteners | Stainless Steel Screw and Washer Assemblies (Sems) |
| B18.5 Fasteners | Stainless Steel Round Head Bolts | B18.15 Fasteners | SS Forged Eyebolts |
| B18.6.2 Fasteners | SS Slotted Head Cap Screws, SS Square Head Set Screws, and Slotted Headless SS Set Screws | B18.17 Fasteners | Stainless Steel Wing Nuts, Thumb Screws and SS Wing Screws |
| B18.6.3 Fasteners | Stainless Steel Machine Screws and SS Machine Screw Nuts | B18.21.1 Fasteners | SS Lock Washers |
| B18.6.4 Fasteners | SS Thread Forming and Thread Cutting SS Tapping Screws and SS Metallic Drive Screws | B18.22.1 Fasteners | Stainless Steel Plain Washers |
| B18.7 Fasteners | General Purpose Semi- Tubular Rivets, Full Tubular SS Rivets, SS Split Rivets and SS Rivet Caps | B18.23.1 Fasteners | SS Beveled Washers |
Stainless Steel Fasteners Grade
| Stainless Steel Fasteners Grade | Stainless Steel Fasteners Types |
|---|---|
| A1 fasteners & 303 SS Nut Bolt | 303, 1.4305 (Class 50, 70, 80) Fasteners |
| A2 fasteners & 304 SS Nut Bolt | 304,349S17 (BS3111) 1.4567 (Class 50, 70, 80) Fasteners |
| A4 fasteners & 316 SS Nut Bolt | 316,396S17 (BS3111) (Class 50, 70, 80) Fasteners |
| Strength, min TS/YS (MPa) |
Stainless Steel Standard |
Stainless Steel Fasteners standard | Micro structure | C max | Cr | Ni | Mo | Other | PRE¹ |
|---|---|---|---|---|---|---|---|---|---|
| 800/640 | 1.4432/36/35 | A4 Fasteners | Austenitic | 0.03 | 17 | 11.5 | 2.7 | 27 | |
| 1000/900 | 1.4432/36/35 | A4 Fasteners | Austenitic | 0.03 | 17 | 11.5 | 2.7 | 27 | |
| 800/640 | 1.4547, S31254 | A8 Fasteners | Austenitic | 0.01 | 20 | 18 | 6.2 | N, Cu | 43 |
| 1200/1080 | 1.4462, S32205 | D6 Fasteners | Ferrite-Austenitic | 0.03 | 22 | 5.2 | 3.2 | N | 36 |
| 1000/900 | 1.4410, S32750 | D8 Fasteners | Ferrite-Austenitic | 0.03 | 25 | 7 | 4 | N | 42 |
| 750/550 | 1.4501/1.4410 S32760/S32750 | Norsok M630 MDS D60 | Ferrite-Austenitic | 0.03 | 25 | 7 | 4 | N, W, Cu | 42 |
| 1500/1350 | Martensitic | 0.02 | 12 | 9 | 4 | Al, Ti, Cu | 25 | ||
| 1000/900 | 1.4980, S66286 | Austenitic | 0.08 | 15 | 26 | 1.5 | Ti, V | ||
| 1000/600 | 2.4952, N07080 | Austenitic | 0.10 | 19 | >65 | – | Al, Ti, Co | – |
Types of Stainless Steel Fasteners
- Heavy duty stainless steel snap fasteners
- Stainless steel marine fasteners
- Stainless steel antiluce fasteners
- Stainless steel dzus fasteners
- Stainless steel snap fasteners
- Stainless steel turn button fasteners
- Black stainless steel fasteners
- Black oxide stainless steel fasteners
- Coated stainless steel fasteners
- Coloured stainless steel fasteners
- Decorative stainless steel fasteners
- Stainless steel deck fasteners
- Electropolishing stainless steel fasteners
- Industrial stainless steel fasteners
- Imperial stainless steel fasteners
- Non-magnetic stainless steel fasteners
- Polished stainless steel fasteners
- Passivated stainless steel fasteners
- Self-drilling stainless steel fasteners
- High performance fastener: MS/NAS/AN/AS /AGS/DIN/EN/NSN/NFL
A listing of common Stainless Steel bolt types and styles.
| Unified Inch Coarse and Fine Threads | |||
|---|---|---|---|
| Stainless Steel Bolt Size | Threads per Inch | ||
| Frac. [No.] | Decimal | UNC | UNF |
| 1/8 [#6] | 0.1380 | 32 | 40 |
| 5/32 [#8] | 0.1640 | 32 | 36 |
| 3/16 [#10] | 0.1900 | 24 | 32 |
| 1/4 | 0.2500 | 20 | 28 |
| 5/16 | 0.3125 | 18 | 24 |
| 3/8 | 0.3750 | 16 | 24 |
| 7/16 | 0.4375 | 14 | 20 |
| 1/2 | 0.5000 | 13 | 20 |
| 9/16 | 0.5625 | 12 | 18 |
| 5/8 | 0.6250 | 11 | 18 |
| 3/4 | 0.7500 | 10 | 16 |
| 7/8 | 0.8750 | 9 | 14 |
| 1 | 1.0000 | 8 | 12, 14 |
| 1 1/8 | 1.1250 | 7 | 12 |
| 1 1/4 | 1.2500 | 7 | 12 |
| 1 3/8 | 1.3750 | 6 | 12 |
| 1 1/2 | 1.5000 | 6 | 12 |
| 1 3/4 | 1.7500 | 5 | - |
Stainless Steel Fasteners application
These Stainless Steel Fasteners are mainly used in Aerospace Defence & Commercial Application. Other applications are
- Waste Water
- Chemical and Petrochemical
- Power Industries (nuclear, natural gas, wind, solar)
- Aerospace
- Pipeline Engineering
- Oil & Gas - upstream and downstream
- Mechanical and Plant Engineering
- Marine
- Food Processing
Stainless Steel Fasteners head style
