A2-70 Stainless Steel Hex Head Bolt Manufacturer and Suppliers in India

The A2-70 Bolt is made up of an austenitic stainless steel grade, which is basically acid proof, and they have been cold worked so as to offer min tensile strength of 700 N/mm2. The a2-70 allen bolt is basically a bolt that comes with a special head and it requires an allen key for tightening. The a2-70 stainless steel bolt is available in different standards, material grades, and dimensions, and are supplied by most of the renowned manufacturers. The a2-70 screw is used for a wide range of applications that has varied temperatures and stress levels.
There are different types of Stainless Steel Hex Bolt A2-70 that are used in various stainless steel applications. As the A2-70 Stainless Steel Hex Head Bolt is highly tensile, it has a wide range of applications in industries like construction, oil and gas, machinery, and several other types of industrial applications. Products made with the A2 70 Bolt Material are available in different shapes, sizes, and dimensions. The A2 70 Hex Head Bolt is also known for its cost-effectiveness along with properties like strength, hardness and general resistance to corrosion.
The size of the A2-70 Stainless Steel Bolt ranges between ½ inches and 24 inches, and the size is chosen according to the application. The A2 70 Hex Bolt dimensions include various torque capacities. The a2-70 bolt grade exceeds the ordinary low grade of steel when it comes to the strength. The a2-70 bolt tightening torque depends on its dimensions. The smaller one has less torque while the larger ones come with greater torque. Due to all the amazing properties of the A2-70 Stainless Steel Bolt, they are quite in demand across several industries.
Clients should always choose manufacturers who offer full customization on the Stainless Steel Bolt Grade A2-70. They should also carry out different tests, both in-house and by third parties to confirm the usability and integrity of the SS Grade A2-70 Bolt.
Product | A2-70 Bolts |
---|---|
Standard | DIN931, ISO 4017, DIN, GB5783, ANSI, ASTM, EN, JIS, AS |
Origin | India |
DIN Standard | DIN603 DIN931 DIN933 DIN912 DIN934 DIN6923 B.S. |
Diameter | M3 to M60 |
Size | M2 to M100 |
Length | 6mm to 500mm |
Head | Square, Hex, Hex flange, Round, T-head, Flat, Triangular etc |
Drive type | Slotted, Philipes, Torx, Hex socket square slot etc |
|
plain or Passivation |
Neck type | Square, Hex, Oval, Triangular, Knurled etc |
Description | Price |
A2-70 Hex Bolts | US $ 0.005-0.03 / Piece |
Stainless Steel A2-70 Hexagon Head Full Threaded Bolts | US $ 0.5 / Piece |
A2 70 Anchor Bolts and Nut | US $ 0.1-0.5 / Piece |
A2-70 Rhsn Bolts | US $ 0.005-0.03 / Piece |
Stainless Steel A2-70 Auto Parts Hexagon Bolts DIN 933 | US $ 0.089 / Piece |
A2-70 Double End Studs Stud Bolts | US $ 0.031 / Piece |
DIN931 A2-70 M8 Series Half Thread Hex Bolts | US $ 0.2 / Piece |
A2-70 Stainless Steel Fastener Square U Bolts | US $ 0.1-1 / PCS |
Stainless Steel Bolts A2-70 | US $ 0.01-1 / Piece |
We can assist with all A2 70 Bolt Material requirements; refer A2-70 Allen and hex bolt torque chart and size in mm .
Diameter | Fastener Length | Size | Fastener Thread |
M3 | 6 MM | M3 to 0.50 | COARSE |
M24 | 55 MM | M24 to 3.00 | |
M3 | 10 MM | M3 to 0.50 | |
M3 | 16 MM | M3 to 0.50 | |
M3 | 8 MM | M3 to 0.50 | |
M24 | 60 MM | M24 to 3.00 | |
M3 | 20 MM | M3 to 0.50 | |
M3 | 12 MM | M3 to 0.50 | |
M3 | 25 MM | M3 to 0.50 |

A2-70 Bolts

A2-70 Stainless Steel Bolt

Stainless Steel Hex Bolt A2-70

A2-70 Screw

A2-70 Allen Bolt

A2 70 Bolt Material

A2 70 Hex Head Bolt

Stainless Steel Bolt Grade A2-70
We carry and provide A2-70 Stainless Steel Bolt and Screw in accordance with global standards at a reduced cost
Diameter | Tightening TorqueNm | Initial Stressing ForceN | Load 1)Force at 0.2% yield point N | Force in service N | ||
---|---|---|---|---|---|---|
Axial Dynamic | Axial Static | Radial Static or Dynamic | ||||
M4 | 2.2 | 2490 | 3960 | 640 | 1070 | 210 |
M3 | 0.9 | 1420 | 2250 | 360 | 610 | 120 |
M20 | 285.1 | 69460 | 110250 | 17860 | 29770 | 5950 |
M5 | 4.3 | 4030 | 6390 | 1040 | 1730 | 350 |
M8 | 17.7 | 10380 | 16470 | 2670 | 4450 | 890 |
M6 | 7.3 | 5700 | 9040 | 1470 | 2440 | 490 |
M12 | 61.3 | 23900 | 37930 | 6150 | 10240 | 2050 |
M10 | 35.5 | 16440 | 26100 | 4230 | 7050 | 1410 |
M16 | 147.1 | 44510 | 70650 | 11450 | 19080 | 3820 |

NOMINAL SIZE (D) | ACRO THE FLATS | HEAD THICKNE | BODY DIA. | ACRO CORNERS | ||||
---|---|---|---|---|---|---|---|---|
F (MAX) | F (MIN) | H (MAX) | H (MIN) | D (MAX) | D (MIN) | C (MAX) | C (MIN) | |
m20 | 30.00 | 29.16 | 12.88 | 12.12 | 20.00 | 19.67 | 34.64 | 32.95 |
m12 | 19.00 | 17.73 | 7.76 | 4.24 | 12.00 | 11.73 | 20.78 | 20.03 |
m14 | 22.00 | 20.67 | 9.09 | 8.51 | 14.00 | 13.73 | 24.25 | 23.35 |
m10 | 17.00 | 15.73 | 6.63 | 6.17 | 10.00 | 9.78 | 18.48 | 17.77 |
m16 | 24.00 | 23.67 | 10.32 | 9.68 | 16.00 | 15.73 | 27.71 | 26.75 |
m30 | 46.00 | 45.00 | 19.48 | 17.92 | 30.00 | 29.67 | 53.12 | 50.85 |
m24 | 36.00 | 35.00 | 15.44 | 14.56 | 24.00 | 23.67 | 41.57 | 39.55 |
m100 | 145.00 | 140.00 | 63.9 | 60.10 | 90.00 | 99.13 | 167.43 | 159.60 |
m36 | 55.00 | 53.80 | 23.38 | 21.63 | 36.00 | 35.61 | 63.51 | 60.79 |
m48 | 75.00 | 72.60 | 31.07 | 28.93 | 48.00 | 47.38 | 86.60 | 82.76 |
m56 | 85.00 | 82.20 | 36.2 | 33.80 | 56.00 | 55.26 | 98.15 | 93.71 |
m42 | 65.00 | 62.90 | 26.97 | 25.03 | 42.00 | 41.38 | 75.06 | 71.71 |
m64 | 95.00 | 91.80 | 41.32 | 38.68 | 64.00 | 63.26 | 109.70 | 104.65 |
m80 | 115.00 | 111.00 | 51.58 | 48.42 | 80.00 | 79.26 | 132.72 | 126.54 |
m72 | 105.00 | 101.40 | 46.45 | 43.55 | 72.00 | 71.26 | 121.24 | 115.60 |
m90 | 130.00 | 125.50 | 57.74 | 54.26 | 90.00 | 89.13 | 150.11 | 143.07 |
Learn more about the specifications, tightening torque, and grades of stainless steel hex bolts A2-70 online.
Steel Group | Steel Grade |
Austenitic | A3 |
A4 | |
A1 | |
A2 | |
A5 |

Composition | Ferritic | Austenitic | Martensitic | |||||
---|---|---|---|---|---|---|---|---|
Steel Grades Identification x | F1 | A2, A1, A4 | C4, C1 | C3 | ||||
Property Class | 60 | 45 | 70 | 50 | 80 | 70 | 50 | 80 |
Cold-Worked | Soft | Cold-Worked | Soft | High-Strength | Hardenedand Tempered | Soft | Hardenedand Tempered |
Length in MM | M 10 | M 6 | M 5 | M 8 | M 14 | M 12 | M 18 | M 16 | M 22 | M 20 |
20 | 3.411 | 0.812 | 0.598 | 1.711 | 4.892 | |||||
16 | 3.211 | 0.743 | 0.448 | 1.590 | ||||||
25 | 3.660 | 0.897 | 0.660 | 1.871 | 8.170 | 5.252 | ||||
35 | 4.223 | 1.120 | 0.804 | 2.271 | 10.000 | 5.974 | 16.026 | 11.416 | 19.608 | |
30 | 3.912 | 1.010 | 0.737 | 2.070 | 9.690 | 5.574 | 10.707 | 18.657 | ||
40 | 4.533 | 1.230 | 0.881 | 2.470 | 10.288 | 6.410 | 16.667 | 12.107 | 20.747 | |
50 | 5.155 | 1.450 | 1.030 | 2.870 | 11.261 | 7.299 | 17.857 | 13.624 | 28.409 | 22.727 |
45 | 4.840 | 1.340 | 0.958 | 2.671 | 10.504 | 6.859 | 17.241 | 12.821 | 21.739 | |
55 | 5.464 | 1.560 | 3.071 | 11.628 | 7.740 | 18.868 | 14.409 | 30.120 | 23.810 | |
65 | 6.083 | 1.781 | 3.472 | 12.626 | 8.621 | 21.008 | 16.026 | 34.014 | 26.455 | |
60 | 5.774 | 1.670 | 3.270 | 12.255 | 8.183 | 20.000 | 15.244 | 32.051 | 25.126 | |
70 | 6.394 | 1.890 | 3.671 | 12.987 | 9.058 | 22.124 | 16.835 | 35.461 | 27.778 | |
80 | 7.013 | 2.111 | 4.072 | 13.889 | 10.000 | 24.510 | 18.248 | 40.000 | 30.303 | |
75 | 6.702 | 2.000 | 3.873 | 13.228 | 9.506 | 23.256 | 17.606 | 39.063 | 29.070 | |
90 | 7.634 | 4.472 | 14.925 | 10.917 | 26.042 | 19.841 | 41.667 | 33.113 | ||
110 | 8.881 | 17.730 | 12.723 | 31.250 | 23.041 | 47.170 | 38.168 | |||
100 | 8.251 | 4.873 | 16.340 | 11.820 | 27.778 | 21.459 | 46.296 | 35.714 | ||
120 | 9.506 | 18.797 | 13.624 | 32.895 | 24.631 | 50.000 | 40.984 | |||
140 | 10.707 | 20.833 | 15.432 | 35.461 | 27.933 | 55.556 | 46.296 | |||
150 | 11.312 | 22.222 | 16.340 | 37.594 | 29.412 | 58.824 | 48.544 | |||
130 | 10.101 | 20.000 | 14.535 | 34.722 | 26.316 | 52.632 | 43.478 | |||
160 | 11.905 | 24.272 | 17.241 | 40.984 | 31.056 | 61.728 | 50.505 | |||
180 | 13.123 | 26.882 | 19.011 | 34.247 | 67.568 | 55.556 | ||||
190 | 13.736 | 19.920 | 35.971 | 70.423 | 58.140 | |||||
170 | 12.500 | 18.116 | 32.680 | 64.935 | 53.191 | |||||
200 | 14.327 | 29.586 | 20.833 | 49.020 | 37.594 | 73.529 | 60.976 | |||
240 | 16.722 | 24.510 | 43.860 | 84.746 | 71.429 | |||||
220 | 15.528 | 22.624 | 40.650 | 79.365 | 65.789 | |||||
250 | 17.301 | 25.381 | 45.455 | 87.719 | 74.627 | |||||
280 | 19.157 | 28.090 | 50.505 | 98.039 | 81.967 | |||||
260 | 17.921 | 26.316 | 47.170 | 90.909 | 76.923 | |||||
300 | 20.325 | 29.940 | 53.763 | 104.167 | 87.719 | |||||
340 | 33.557 | 60.241 | 98.039 | |||||||
320 | 31.646 | 56.818 | 92.593 | |||||||
380 | 37.037 | 66.667 | 108.696 | |||||||
360 | 35.211 | 63.291 | 104.167 | |||||||
400 | 39.063 | 69.444 | 113.636 |
from US Percent difference– Stainless Steel | 304 and 316 as compared to A2 and A4 |
---|---|
6% lower | M22 and over |
44% higher | up to M20 |
Thread | Coeff friction | Tightening torque (Nm) property class | Preload (Kn) property class | Min. breaking torque |
---|---|---|---|---|
A2-70 | A2-70 | A2-70 | ||
M2.0 | 0.1 | 0.2 | 0.6 | 0.4 |
0.2 | 0.3 | 0.5 | ||
0.3 | 0.4 | 0.36 | ||
M6.0 | 0.1 | 5.9 | 6.85 | 13 |
0.2 | 8.8 | 5.54 | ||
0.3 | 10.4 | 4.49 | ||
M1.6 | 0.1 | 0.1 | 0.55 | 0.2 |
0.2 | 0.2 | 0.35 | ||
0.3 | 0.25 | 0.3 | ||
M3.0 | 0.1 | 1 | 1 | 1.6 |
0.2 | 1.1 | 0.65 | ||
0.3 | 1.35 | 0.45 | ||
M2.5 | 0.1 | 0.45 | 0.9 | 0.9 |
0.2 | 0.6 | 0.5 | ||
0.3 | 0.75 | 0.3 | ||
M5.0 | 0.1 | 3.4 | 4.85 | 7.8 |
0.2 | 5.1 | 3.93 | ||
0.3 | 6.1 | 3.19 | ||
M4.0 | 0.1 | 1.7 | 2.97 | 3.8 |
0.2 | 2.6 | 2.4 | ||
0.3 | 3 | 1.94 | ||
M8.0 | 0.1 | 14.5 | 12.6 | 32 |
0.2 | 21.4 | 10.2 | ||
0.3 | 25.5 | 8.85 |
before buying SS Grade A2-70 Bolt material from india, Compare our Price List once, you will get 10-15 % less price compared to other supplier

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PropertyClass | Grade | Diameter Range | Tensile Strength Rm MPa(N/mm2) minimum | Elongation AL Minimum | Yield Stress Rp 0.2 Mpa(N/mm2) minimum |
---|---|---|---|---|---|
70 | A2 and A4 | =<M20 | 700 | 0.4d | 450 |
80 | =<M20 | 800 | 0.3d | 600 |
Material No. to AISI | AusteniticGrade | Mo | Si | C | Mn | S | P | Cr | Ni |
---|---|---|---|---|---|---|---|---|---|
303 | A1 | 0.6 | 1.0 | 0.12 | 2.0 | 0.15 to 0.35 | 0.20 | 17.0 to 19.0 | 8.0 to 10.0 |
304 | A2 | – | 1.0 | 0.08 | 2.0 | 0.03 | 0.05 | 17.0 to 20.0 | 8.0 to 13.0 |
316 | A4 | 2.0 to 3.0 | 1.0 | 0.08 | 2.0 | 0.03 | 0.05 | 16.0 to 18.5 | 10.0 to 14.4 |