Specialist in Manufacturing Industrial Steel Fasteners

A2-70 Stainless Steel Bolt

Visionalloys bolt is a traditional firm for providing quality to the worldwide markets at best prices. We provide all customized shapes, sizes, and dimensions including national and international standards as well. To know more, call us now.

A2 70 SS bolts are one of the popular bolts in the market. A2 70 SS bolts are based on lower tensile strength bolts that feature only 700 mpa minimum tensile strength and are mostly used in bolt forms. The other forms that are available in the market are washers, nuts, screws, etc. A2 70 SS bolt is austenitic grade steel that comes in wide-range of shapes, and structures that further can also be reconstructed based on the requirements. A2 70 SS hex bolt is cost-effective grade, has high toughness, durability, and greater corrosion resistance and general resistance from various environments.

A2 70 SS hex bolt has size ranges up to 24 inches and is used across many industries upon suitability. The stainless steel bolts also have various dimensions and involve torque capacities such as M4 sizes are smaller, one has 2.7 Nm torque whereas the larger torque is recognized as larger ones.

The other grades that we offers are SS Hex Head bolts, SS wing bolts, SS eye bolts, SS anchor bolts, SS stud bolts, SS countersunk bolts, SS torx bolts, SS J bolts, SS head bolts, SS deck bolts, SS U bolts, and much more.

A2-70 Stainless Steel Bolt

A2-70 Stainless Steel Bolt Specification :

Product name Stainless Steel A2-70 Bolts
Place of Origin India
Standard ISO 4017, DIN931, GB5783, DIN, ASTM, ANSI, JIS, EN, AS
DIN Standard B.S. DIN933 DIN931 DIN934 DIN912 DIN603 DIN6923
Surface treatment
Passivation /plain
Stainless Steel A2-70 Hex Bolts Size M2 – M100
Stainless Steel A2-70 Hex Bolts Diameter M3-M60
Stainless Steel A2-70 Hex Bolts Length 6mm-500mm
Head Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc
Neck type Hex, Square, Triangular, Oval & Knurled etc
Drive type Phil, Slotted, Hex socket, Torx & square slot etc
Stainless Steel A2-70 Hex Bolts Application Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry
Dimensions ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.
Drive Style Type I
Stainless Steel A2-70 Hex Bolts Material 18-8 Stainless Steel, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70; A4-70; A4-80
Thread Requirements ASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge)
Finish Per ASTM A380/A380M
Finishing Zinc Plated (Yellow, White, Blue, Black), Hop Dip Galvanized (HDG) phosphorization, Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated, Brass Plated, Tin Plated, Black Plated, Copper Plated, Gold Plated, Salt fog test
Stock Products Stainless steel: All DIN, GB Standard and part ASNI standard stainless steel A2-70 Hex Bolts, Example: ISO7380, DIN7981, DIN7982, DIN916, DIN913, DIN7985, DIN912
Production technology Cold Forged
Manufacturing Process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
MOQ 10 pieces
Delivery time Regular product is about 7-15 days, custom product will according to special requirement.
Others OEM, ODM, ±0.03MM tolerance
Surface treatment of stainless steel A2-70 Hex Bolts
  • Passivation
  • Polish
  • Anodizing
  • Sand blasting
  • Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver)
  • Black oxide coating
  • Heat-disposing
  • Hot-dip galvanizing
  • Rust preventive oil
Coatings Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Tolerance of stainless steel A2-70 Hex Bolts +/-0.01mm to +/-0.05mm
Samples Yes
Production Capacity 2,700,000 pieces per month

Property Class :

For Bolts & Screws: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H

For Nuts: A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040

For SHCS: F837B, F837C, F837E, F837

For Threaded Rods: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2

A2-70 Stainless Steel Bolt Dimensions :

Typical Dimensions ranges for grade A2-70 Stainless Steel Bolt

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

chemical composition
Typical composition composition for grade A2-70 Stainless Steel Bolt

Grade C Mn P S Si Cr Ni Cu
A2-70 Min - - - - - 15.0
Max 0.1 2.0 0.05 0.03 1.0 20.0 19.0 4.0

Mechanical Properties
Typical Mechanical Properties for annealed grade A2-70 Stainless Steel Bolt

Grade Tensile Strength (MPa) min Yield Strength
0.2% Proof
(MPa) min
(% in 4D min)
Red of Area (% min) Hardness (HRC max)
A4-70 700 450 40 Not required Not required
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