Stainless Steel Fasteners Manufacturer in India

ASTM A193 Stainless Steel Nuts and Bolts supplier in Mumbai

 

Stainless Steel Fasteners
Stainless Steel Fasteners
SS Nut Bolt
SS Nut Bolt
ASTM A193 SS Washers
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.


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.

 

Spec Chart of Stainless Steel Fasteners

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
  • ANSI B 18.2.4 2M
  • ANSI B 28.2.4 1M
  • stainless steel Stud Bolt length are defined in ASME B16.5 standard
  • Hex nuts are defined in ASME B18.2.2
  • ASME B18.5
  • BS en iso 3506

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
  • Up to M36 / 1-1/2” Dia, up to 1100mm lg
  • CNC Machined Fasteners, up to M100 / 4” Dia, up to 1500mm lg
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

stainless steel fasteners manufacturers in India

SA193 SS Hex Bolts

SA193 SS Hex Bolts

ASTM A193 SS Countersunk Bolts

ASTM A193 SS Countersunk Bolts

Stainless Steel U Bolts

Stainless Steel U Bolts

ASME SA193 SS Tie Rods

ASME SA193 SS Tie Rods

ASTM A193 Stainless Steel Dome Nuts

ASTM A193 Stainless Steel Dome Nuts

SS Hex Nuts

SS Hex Nuts

ASTM A193 SS Lock Nuts

ASTM A193 SS Lock Nuts

SA193 Stainless Steel Wing 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

 

SS Hex Nuts Price List

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

 

Chemical Structure of stainless steel Nut Bolt

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

 

Mechanical Properties Chart of ASTM A193 SS Countersunk Bolts

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 %

Equivalent material of ASTM A193 Stainless Steel Dome Nuts

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

Stainless Steel Bolts Dimensions

Hex Bolt Dimension

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

 

Dimensions of Stainless Steel Nuts

Dimensions Of Nuts

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 Chart of Stainless Steel Bolts

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

Dimensions of Stainless Steel Heavy Hex Nuts

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

Size Chart of Stainless Steel Nuts

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.

ASTM Standard of SA193 Stainless Steel Fasteners

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