Stainless Steel 304 Bolts and UNS S30400 Hex Nuts/ Studs/ Fasteners

ASTM A193 UNS S30400 Hex Bolts And Type 304 Stainless Steel Fasteners manufacturer in India

Manufacturer and exporter of 304 Stainless Steel Screws, Stud Bolts and Threaded Rod in Metric & Imperial threads

18-8 Stainless Steel Bolts are also known as A2 or Type 304 or 18/8 and the reason for this is because they contain roughly 18% chromium and 8% nickel. The reality is that type A2 stainless steel is also referred to as Type 304 stainless steel. A2 stainless steel bolts, such as A2-80 Bolts are austenitic steel and they are non-magnetic. As they contain chromium in them, they can resist oxidation and corrosion, but they can tarnish.

A2 70 Bolts are a good idea to use when there is the need to minimize the risk of corrosion and these kinds of bolts are commonly used in food and dairy production environs, as well as in households. When thinking of A2-70 Bolts vs 8.8, it is crucial to take note that the A2 grades of stainless steel are available in 3 property classes and that the Stainless Steel 304 Bolts can be cold worked and A2 8.8 Bolt is of high strength, though the most commonly used of the two is the A2-70 Bolt.

If you are seeking the best Stainless Steel 304 Bolts manufacturer in India, then you have found what you seek. We, Siddhagiri Metals and Tubes, are a leading manufacturer and supplier of 304 Stainless Steel Bolts in India. We supply these high quality SS 304 Bolts to companies located all across the globe. For all your needs for 304 Stainless Steel Bolts, do call us, we assure you of the most competitive market rates.

If you are looking for PED approved SS 304 Nut Bolt manufacturer in India so Siddhagiri Metals is one of the oldest manufacturer and supplier of 304 stainless steel bolts and nuts. We are also Norsok approved manufacturer and we only produce 304 SS stud bolts for high temperature application. Our ss 304 fasteners dealers and distributors are available in Ludhiana, Gujarat, Ahmedabad, Rajkot, Chennai, Bangalore, Hyderabad and Pune. Siddhagiri Metals and Tubes is India's largest exporter of 304 stainless steel hex bolts. Our stockist are available in UAE, Qatar, Oman, KSA (Kingdom of Saudi Arabia), South Africa and Malaysia. It helps our clients located in Far East Asia, Middle East, GCC Countries to buy ss 304 fastener material locally with all required documents and custom marking. SS 304 nuts and bolts are widely used in Oil & Gas Industries, Petrochemical and energy sector companies.

SS 304 Nut Bolts

Table of Content

SS 304 Bolts And Nuts Specification
Stainless Steel 304 Bolts Manufacturer in india
Check Price of S30400 Bolt
Chemical Structure of SS 304 Nuts And Bolts
Mechanical Behaviour of Stainless Steel 304 Hex Bolts
Equivalent of AISI 304 Stud Bolts
ASTM A276 Gr 304 Bolts Dimensions
Dimensions of AISI 304 Stainless Steel Nuts
Torque Chart of SS 304 Bolts
Dimensions of AISI 304 Heavy Hex Nuts
Size Chart of UNS S30400 Nuts
SS 304 bolt Drive Style

304 Stainless Steel Bolts Strength
Stainless Steel 304 Preload And Tightening Torque chart
304 Stainless Bolts Head Style
SS 304 Square Bolts Dimensions
Stainless Steel 304 Fasteners Standards
304 Stainless Steel Nuts Bolts Weight Chart
SS 304 fasteners Surface Coating
DIN 1.4301 Heavy Hex Bolt Dimensions
UNS S30400 SAE Bolt Grade Marking
ASME SA193 Type 304 Washer Weight
Stainless Steel 304 nuts ASTM Standard
AISI 304 Bolts Thread Type

SS 304 Fasteners

Stainless Steel 304 Bolts

SS 304 Nuts And Bolts

SS 304 Bolts And Nuts Specification

Standard	ASTM A194 / ASME SA 193
stainless steel 304 bolts Size	M 02 to M 33
Length	3 mm to 200 mm
Threads:	METRIC, BSW, BSF, UNC, UNF or as required
stainless steel 304 bolts 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 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
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 304 bolts Form of:	Hex, Square, Round, Threading as per Gauge Etc.
Head drive:	Phillips, Slotted, Phillips/Slot, Six-Lobe, etc
Test Certificate:	Manufacturer Test Certificate as per EN 10204 / 3.1
stainless steel 304 bolts 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
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.
stainless steel 304 bolts Top Manufacturers	SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fasteners Etc.
Types	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 304 Bolts Manufacturer in india

A2 Stainless Steel Coach Bolts

304 Stainless Steel Anchor Bolts

304 SS Stud Bolts

18-8 Stainless Steel Fasteners

A2 Stainless Steel Nuts and Bolts

304 Stainless Steel U Bolts

304 Stainless Steel Hex Bolts

304 Stainless Steel Eye Bolts

Check SS 304 Hex Bolt torque and AISI 304 flange bolt, washers price list in India online

Check Price of S30400 Bolts

Fasteners Type	Price Per Piece
304 SS M8 bolts Fasteners price per piece	US $0.50-$2.00
Stainless Steel 304 stud bolts Fasteners c/w 2 heavy hex nut	US $15.60-$19.00

A2-70 Bolt Price

M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 8mm L, 10 PK	Price $20.14 / pkg. of 10
M4-0.70mm Cross Recessed Raised Cheesehead Screw, A2 Stainless Steel, 8mm L, 100 PK	Price $8.39 / pkg. of 100
M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 60mm L, 50 PK	Price $24.31 / pkg. of 50
M4-0.70mm A2 70 Bolts, A4 Stainless Steel, 8mm L, 50 PK	Price $6.18 / pkg. of 50
M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 50mm L, 100 PK	Price $20.45 / pkg. of 100
M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 40mm L, 100 PK	Price $21.01 / pkg. of 100
M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 45mm L, 100 PK	Price $18.23 / pkg. of 100
M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 6mm L, 100 PK	Price $9.06 / pkg. of 100
M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 50mm L, 100 PK	Price $25.60 / pkg. of 100
M4-0.70mm A2 70 Bolts, A2 Stainless Steel, 60mm L, 100 PK	Price $28.43 / pkg. of 100

Metric Hex Bolts, Partially Threaded (DIN 931) Price

M5-0.8 X 30 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	30	A2-70 Stainless	Plain	100	$11.20
M5-0.8 X 35 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	35	A2-70 Stainless	Plain	100	$13.43
M5-0.8 X 40 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	40	A2-70 Stainless	Plain	100	$15.03
M5-0.8 X 45 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	45	A2-70 Stainless	Plain	100	16.75
M5-0.8 X 50 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	50	A2-70 Stainless	Plain	100	$18.33
M6-1.0 X 10 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M6	Coarse	10	A2-70 Stainless	Plain	100	$8.10
M6-1.0 X 30 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M6	Coarse	30	A2-70 Stainless	Plain	100	$15.95
M6-1.0 X 35 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M6	Coarse	35	A2-70 Stainless	Plain	100	$19.10

M5-0.8 X 30 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	30	A2-70 Stainless	Plain	100	$11.20
M5-0.8 X 35 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	35	A2-70 Stainless	Plain	100	$13.43
M5-0.8 X 40 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	40	A2-70 Stainless	Plain	100	$15.03
M5-0.8 X 45 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	45	A2-70 Stainless	Plain	100	16.75
M5-0.8 X 50 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M5	Coarse	50	A2-70 Stainless	Plain	100	$18.33
M6-1.0 X 10 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M6	Coarse	10	A2-70 Stainless	Plain	100	$8.10
M6-1.0 X 30 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M6	Coarse	30	A2-70 Stainless	Plain	100	$15.95
M6-1.0 X 35 HEX BOLTS DIN 931 A2-70 STAINLESS	DIN 931	M6	Coarse	35	A2-70 Stainless	Plain	100	$19.10

Are you searching any of the below grades from the following countries?

Thailand, France, Europe, Qatar	Stainless Steel 304 Bolts M8 M10 M12
Belgium, Indonesia, Philippines, Dammam -KSA	A2 Fasteners
Malaysia, Germany, Thailand, Czechia	Fasteners ss hex bolt and nuts A2-70 304
Brazil, Saudi Arabia (KSA), Kuwait, South Africa	304 Stainless Steel M8 T Head Bolt
Finland, USA, Bangladesh, Malaysia	M4 M5 M6 Shape J Hook Stainless Steel 304 Bolt
Nigeria, Australia, UK, Philippines	304 Stainless Steel Half Thread Hex Bolts
Singapore, South Africa, Bahrain	Stainless Steel M3-M56 Hex Head Flanged Bolt
Singapore, Italy, Iran, Chile	m3 stainless steel 304 j hook bolt with nut
UAE, Malaysia, Hong Kong, Oman	SS 304 Thin Head Grade 10.8 stainless steel M9 Hex Bolt
Dubai, Malaysia, Russia, Netherlands	M5 M6 M8 M10 M12 304 stainless steel Hex Hexagon Socket Flat Head Machine Screw Bolt
Malaysia, Turkey, Norway, United Arab Emirates (UAE)	Stainless Steel 304 A2 Din933 Hex Head Bolt
UK, Spain, Mexico, Egypt	DIN444 Stainless steel 304 M8 eye bolt
Ellington -United States, Canada, Poland, UK	Din976 10.9 grade car M13 stainless steel 304 double end thread stud bolt
UAE, Europe, Malaysia, United Kingdom -UK	DIN580 Stainless Steel 304 Or 316 standard Eye bolt
Malaysia, Japan, Romania, Europe	M5 - M24 Stainless Steel A2 DIN 444 Eye Bolts
Singapore, Malaysia, Canada, Philippines	M4x60 Stainless Steel 304 Round U Bolts

Chemical Structure of SS 304 Nuts And Bolts

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
stainless steel 304 bolts	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 – 20	–	8 – 11	–

Know More about ASTM A193 specification and properties for Socket Screws (Cap / CSK / Button / Set)

Mechanical Behaviour of Stainless Steel 304 Hex Bolts

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Equivalent of AISI 304 Stud Bolts

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
stainless steel 304 bolts	1.4301	S30400	SUS 304	304S31	08Х18Н10	Z7CN18‐09	X5CrNi18-10

ASTM A276 Gr 304 Bolts Dimensions

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

Ready Stock of ASME SA193 Type 304 studs in various threads in BSF, BA, UNC, BSW, UNF

Dimensions of AISI 304 Stainless Steel Nuts

stainless steel 304 bolts 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 SS 304 Bolts

stainless steel 304 bolts Torque Specifications
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	Standard Dry Torque in Inch-Pounds
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	304 Stainless Steel	316 Stainless Steel
#2	56	2.5	2.6
#2	64	3.0	3.2
#3	48	3.9	4.0
#3	56	4.4	4.6
#4	40	5.2	5.5
#4	48	6.6	6.9
#5	40	7.7	8.1
#5	44	9.4	9.8
#6	32	9.6	10.1
#6	40	12.1	12.7
#8	32	19.8	20.7
#8	36	22.0	23.0
#10	24	22.8	23.8
#10	32	31.7	33.1
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	Standard Dry Torque in Inch-Pounds
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	304 Stainless Steel	316 Stainless Steel
1/4	20	75.2	78.8
1/4	28	94.0	99.0
5/16	18	132	138
5/16	24	142	147
3/8	16	236	247
3/8	24	259	271
7/16	14	376	393
7/16	20	400	418
1/2	13	517	542
1/2	20	541	565
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	Standard Dry Torque in Inch-Pounds
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	304 Stainless Steel	316 Stainless Steel
9/16	12	682	713
9/16	18	752	787
5/8	11	1110	1160
5/8	18	1244	1301
3/4	10	1530	1582
3/4	16	1490	1558
7/8	9	2328	2430
7/8	14	2318	2420
1	8	3440	3595
1	14	3110	3250
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	Standard Dry Torque in Foot-Pounds
stainless steel 304 bolts Size, Inches or #	Threads, Per Inch	304 Stainless Steel	316 Stainless Steel
1 1/8	7	413	432
1 1/8	12	390	408
1 1/4	7	523	546
1 1/4	12	480	504
1 1/2	6	888	930
1 1/2	12	703	732

Dimensions of AISI 304 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 UNS S30400 Nuts

stainless steel 304 Nuts Size, (mm)	Diameter*, (mm)	Height, (mm)
stainless steel 304 Nuts Size, (mm)	Diameter*, (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.

SS 304 bolt Drive Style

304 Stainless Steel Bolts Strength

stainless steel 304 bolts Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elong (% in 4D min)	Red of Area (% min)	Hardness (HRC max)
A4-70	700	450	40	Not required	Not required
304	515	205	40	55	15
304L	485	170	40	55	15
304H	515	205	40	55	15

Stainless Steel 304 Preload And Tightening Torque chart

Fasteners Thread	Tightening Torque (Nm) class				Preload (Kn) Property Class/ Grade		Coefficient of friction	Min Breaking Torque
Fasteners Thread	A2-70 (304)	A1-50 (303)	A2-70 (304)	A4-80 (316)	A4-80 (316)	A1-50 (303)	Coefficient of friction	A1-50 (303)	A1-70 (303)	A4-80 (316)
M2.00	0.06	0.015	0.02	0.03	0.06	0.05	0.01	0.03	0.04	0.048
	0.05	0.025	0.03	0.04	0.05	0.04	0.02
	0.036	0.04	0.04	0.055	0.036	0.025	0.03
M6.00	6.085	2.08	5.09	8	6.085	3.02	0.01	9.03	13	15
	5.054	4.01	8.08	11.08	5.054	2.059	0.02
	4.049	4.08	10.04	13.09	4.049	2.009	0.03
M1.06	0.055	0.01	0.01	0.02	0.055	0.04	0.01	0.015	0.02	0.024
	0.035	0.01	0.02	0.035	0.035	0.03	0.02
	0.03	0.02	0.025	0.045	0.03	0.02	0.03
M3.00	1	0.085	1	1.03	1	0.09	0.01	1.01	1.06	1.08
	0.065	1	1.01	1.06	0.065	0.06	0.02
	0.045	1.025	1.035	1.085	0.045	0.04	0.03
M2.05	0.09	0.025	0.045	0.06	0.09	0.065	0.01	0.06	0.09	0.096
	0.05	0.045	0.06	0.065	0.05	0.04	0.02
	0.03	0.06	0.075	0.08	0.03	0.03	0.03
M5.00	4.085	1.06	3.04	4.06	4.085	2.026	0.01	5.05	7.08	8.08
	3.093	2.04	5.01	6.09	3.093	1.083	0.02
	3.019	2.08	6.01	8	3.019	1.049	0.03
M4.00	2.097	0.08	1.07	2.03	2.097	1.008	0.01	2.07	3.08	4.03
	2.04	1.03	2.06	3.05	2.04	1.012	0.02
	1.094	1.05	3	4.01	1.094	0.09	0.03
M8.00	12.06	6.08	14.05	19.03	12.06	5.086	0.01	23	32	37
	10.02	10.01	21.04	28.07	10.02	4.075	0.02
	8.085	11.09	25.05	33.09	8.085	3.085	0.03

304 Stainless Bolts Head Style

SS 304 Square Bolts Dimensions

SQUARE BOLT DIMENSIONS
Bolt Size	F Thread Length for Bolt Length		A (max)	C (min)	D	E
Bolt Size	6" and shorter	over 6"	A (max)	C (min)	D	max	min
1/4"	0.0750	1.0000	0.0260	0.0498	11/64	0.003	0.001
5/16"	0.0875	1.0125	0.0324	0.0665	13/64	0.003	0.001
3/8"	1.0000	1.0250	0.0388	0.0747	1/4	0.003	0.001
7/16"	1.0125	1.0375	0.0452	0.0828	19/64	0.003	0.001
1/2"	1.0250	1.0500	0.0515	0.0995	21/64	0.003	0.001
5/8"	1.0500	1.0750	0.0642	1.0244	27/64	0.006	0.002
3/4"	1.0750	2.0000	0.0768	1.0494	1/2	0.006	0.002
7/8"	2.0000	2.0250	0.0895	1.0742	19/32	0.006	0.002
1"	2.0250	2.0500	1.0022	1.0991	21/32	0.009	0.003
1-1/8"	2.0500	2.0750	1.0149	2.0239	3/4	0.009	0.003
1-1/4"	2.0750	3.0000	1.0277	2.0489	27/32	0.009	0.003
1-3/8"	3.0000	3.0250	1.0404	2.0738	29/32	0.009	0.003
1-1/2"	3.0250	3.0500	1.0531	2.0986	1	0.009	0.003

Stainless Steel 304 Fasteners Standards

Socket Capscrews	Stud Bolt	Hexagon Bolt / Set Screws	Hexagon Nuts
DIN 912	BS4882	DIN 931	DIN 934
DIN 6912	DIN 976	DIN 933	BS 1768
DIN 7984		BS 1768	BS 1769
ANSI B18.3		UNI 5731	BS 1083
ISO 4762		UNI 5739	BS 3692
UNI 5931		ISO 4014	ISO 4032
BS 2470		ISO 4017	ISO 4033
BS 4168		BS 1769	ANSI B18.2.2
		BS 3692
		ANSI B18.2.1

Washers	Socket & Slotted Countersunk Screws	Socket & Slotted Set Screws	Studs
DIN 125	DIN 963	DIN 913	DIN 938
DIN 9021	DIN 7991	DIN 914	DIN 939

304 Stainless Steel Nuts Bolts Weight Chart

MM THREADS AS PER IS 1363/67
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
LENGTH	Stainless Steel Fasteners DIAMETER
LENGTH	M 12	M 5	M 6	M 8	M 14	M 10	M 22	M 18	M 20	M 16
16 mm		0.0448	0.0743	1.0590		3.0211
20 mm	4.0892	0.0598	0.0812	1.0711		3.0411
25 mm	5.0252	0.0660	0.0897	1.0871	8.0170	3.0660
30 mm	5.0574	0.0737	1.0010	2.0070	9.0690	3.0912			18.0657	10.0707
35 mm	5.0974	0.0804	1.0120	2.0271	10.0000	4.0223		16.0026	19.0608	11.0416
40 mm	6.0410	0.0881	1.0230	2.0470	10.0288	4.0533		16.0667	20.0747	12.0107
45 mm	6.0859	0.0958	1.0340	2.0671	10.0504	4.0840		17.0241	21.0739	12.0821
50 mm	7.0299	1.0030	1.0450	2.0870	11.0261	5.0155	28.0409	17.0857	22.0727	13.0624
55 mm	7.0740		1.0560	3.0071	11.0628	5.0464	30.0120	18.0868	23.0810	14.0409
60 mm	8.0183		1.0670	3.0270	12.0255	5.0774	32.0051	20.0000	25.0126	15.0244
65 mm	8.0621		1.0781	3.0472	12.0626	6.0083	34.0014	21.0008	26.0455	16.0026
70 mm	9.0058		1.0890	3.0671	12.0987	6.0394	35.0461	22.0124	27.0778	16.0835
75 mm	9.0506		2.0000	3.0873	13.0228	6.0702	39.0063	23.0256	29.0070	17.0606
80 mm	10.0000		2.0111	4.0072	13.0889	7.0013	40.0000	24.0510	30.0303	18.0248
90 mm	10.0917			4.0472	14.0925	7.0634	41.0667	26.0042	33.0113	19.0841
100 mm	11.0820			4.0873	16.0340	8.0251	46.0296	27.0778	35.0714	21.0459
110 mm	12.0723				17.0730	8.0881	47.0170	31.0250	38.0168	23.0041
120 mm	13.0624				18.0797	9.0506	50.0000	32.0895	40.0984	24.0631
130 mm	14.0535				20.0000	10.0101	52.0632	34.0722	43.0478	26.0316
140 mm	15.0432				20.0833	10.0707	55.0556	35.0461	46.0296	27.0933
150 mm	16.0340				22.0222	11.0312	58.0824	37.0594	48.0544	29.0412
160 mm	17.0241				24.0272	11.0905	61.0728	40.0984	50.0505	31.0056
170 mm	18.0116					12.0500	64.0935		53.0191	32.0680
180 mm	19.0011				26.0882	13.0123	67.0568		55.0556	34.0247
190 mm	19.0920					13.0736	70.0423		58.0140	35.0971
200 mm	20.0833				29.0586	14.0327	73.0529	49.0020	60.0976	37.0594
220 mm	22.0624					15.0528	79.0365		65.0789	40.0650
240 mm	24.0510					16.0722	84.0746		71.0429	43.0860
250 mm	25.0381					17.0301	87.0719		74.0627	45.0455
260 mm	26.0316					17.0921	90.0909		76.0923	47.0170
280 mm	28.0090					19.0157	98.0039		81.0967	50.0505
300 mm	29.0940					20.0325	104.0167		87.0719	53.0763
320 mm	31.0646								92.0593	56.0818
340 mm	33.0557								98.0039	60.0241
360 mm	35.0211								104.0167	63.0291
380 mm	37.0037								108.0696	66.0667
400 mm	39.0063								113.0636	69.0444

SS 304 fasteners Surface Coating

Hot Dipped Galvanized(HDG)
Plain Finish
Zinc and Chromate
Zinc and Yellow Chromate
Zinc Plated

DIN 1.4301 Heavy Hex Bolt Dimensions

HEAVY HEX BOLT DIMENSIONS
Bolt Size	A (max)	B	C (min)	D	E		F Thread Length for Bolt Length
Bolt Size	A (max)	B	C (min)	D	max	min	6" and shorter	over 6"
1/2"	0.515	7/8	0.969	11/32	0.03	0.01	1.250	1.500
5/8"	0.642	1-1/16	1.175	27/64	0.06	0.02	1.500	1.750
3/4"	0.768	1-1/4	1.383	1/2	0.06	0.02	1.750	2.000
7/8"	0.895	1-7/16	1.589	37/64	0.06	0.02	2.000	2.250
1"	1.022	1-5/8	1.796	43/64	0.09	0.03	2.250	2.500
1-1/8"	1.149	1-13/16	2.002	3/4	0.09	0.03	2.500	2.750
1-1/4"	1.277	2	2.209	27/32	0.09	0.03	2.750	3.000
1-3/8"	1.404	2-3/16	2.416	29/32	0.09	0.03	3.000	3.250
1-1/2"	1.531	2-3/8	2.622	1	0.09	0.03	3.250	3.500
1-3/4"	1.785	2-3/4	3.035	1-5/32	0.12	0.04	3.750	4.000
2"	2.039	3-1/8	3.449	1-11/32	0.12	0.04	4.250	4.500
2-1/4"	2.305	3-1/2	3.862	1-1/2	0.19	0.06	4.750	5.000
2-1/2"	2.559	3-7/8	4.275	1-21/32	0.19	0.06	5.250	5.500
2-3/4"	2.827	4-1/4	4.688	1-13/16	0.19	0.06	5.750	6.000
3"	3.081	4-5/8	5.102	2	0.19	0.06	6.250	6.500

UNS S30400 SAE Bolt Grade Marking

ASME SA193 Type 304 Washer Weight

Washer Size	Weight (lbs.) Per 100 Pieces	B	A	C
Washer Size	Weight (lbs.) Per 100 Pieces	OD	ID	Thickness
1/2	4	13/8	9/16	0.109
5/8	8	13/4	11/16	0.134
3/4	11	2	13/16	0.148
7/8	15	21/4	15/16	0.165
1	19	21/2	11/16	0.165
11/8	22	23/4	11/4	0.165
11/4	26	3	13/8	0.165
13/8	33	31/4	11/2	0.180
11/2	38	31/2	15/8	0.180
15/8	43	33/4	13/4	0.180
13/4	50	4	17/8	0.180
17/8	57	41/4	2	0.180
2	63	41/2	21/8	0.180
21/4	83	43/4	23/8	0.220
21/2	96	5	25/8	0.238
23/4	110	51/4	27/8	0.259
3	130	51/2	31/8	0.284

Stainless Steel 304 nuts ASTM Standard

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