Product Features Trade Term Equipments
  • Precise Thread Machining
  • Reliable and Higher Quality Materials
  • Rich Surface Treatments
  • Higher Reliability and Strength
  • Advantages of Head Design
  • CIF
  • CNF
  • DDU
  • FOB
  • CFR
  • Cold forging Machine
  • Thread Rolling Machine
  • CNC Machine
  • Lather Machine
  • Grinding Machine
  • Milling Machine
Transport Package Standard Connection
  • Wood Fixed
  • Carton Outside
  • ASTM A193
  • ASME SA193
  • Common Bolt
A2-70 Bolts

A2-70 Bolts

A2-70 Hex Bolt

A2-70 Hex Bolt

A2-70 Stainless Steel U Bolt

A2-70 Stainless Steel U Bolt

ISO Approved Stainless Steel A270 Bolt Manufacturer in India

A2-70 Bolts Specification    
A2 70 Bolt Specifications
sizes

A2-70 Stainless Steel Sizes

  • Imperial : 1/4" to 4"
  • Metric : M1.2 - M48
Length

A2-70 Bolt Length

  • 3mm to 200mm
  • Custom
   
Class

A2-70 Stainless Steel Class

  • Class 50
  • Class 70
  • Class 80
  • custom
Head Types

Stainless Steel Grade A2-70 Head Types

  • Truss
  • Flat
  • Slotted Hex Washer
  • Slotted Drive
   
Manufacturing Method

SS Grade A2-70 Manufacturing Method

  • CNC machined
  • Cold Forged
  • Hot Forged
Packaging

Grade A2-70 Stainless Steel Packaging

  • Wooden Boxes
  • custom
  • Crates
   
Surface Finish

A2-70 304 Surface Finish

  • Black Oxide
  • Dacroment
  • Nickel Plated
  • Zinc
  • Geometry
  • Anodized
Coating

A2 Stainless Steel 304 Coating

  • Zinc Coated
  • Phosphate Coated
  • Cadmium Coated
  • Hot Dipped Galvanizing
  • PTFE Coated
  • Xylon Coated
   
Certification

A2-70 AISI 304 Certification

  • Heat Treatment Charts
  • Fumigation Certificates
  • MTC EN 10204 3.1B/ 3.1 / 3.2
  • Third Party Inspection Report
  • Raw Materials Certificate
  • HS Code Commercial Invoice
  • DFARS compliant
Inspection Methods

A2 Stainless Steel 304L Inspection Methods

  • Microstructure Analysis
  • Rockwell / Brinell Hardness test
  • Tensile test
  • Charpy V-notch test
  • Hardness Test
  • Impact testing
   
Application

ISO 3506-1 Application

  • Wind Tower
  • Automotive Industry
  • Electronic Industry
  • Railway
  • Nuclear Power
Delivered Areas

A2 70 Screw Delivered Areas

  • United States
  • UAE
  • Italy
  • South Africa
  • Oman
   
Services

A2-70 Bolt Services

  • Head Shank Drilling
  • Mil-Spec Packaging
  • Thread-Locking
  • Plating
  • JIT
  • Bagging
  • Head Painting
  • Venting
Marking

A2 Grade Marking

  • Nominal Size
  • Method of Manufacturing
  • Heat Number
  • Material Grade
  • Manufacturer’s Name or Logo
  • Schedule or Wall Thickness
  • Specification
   
Bolt End

A2-70 Material End

  • Milled end
  • Half point
  • Chisel point
  • Semi-cone point
  • 45 degree angle cut
  • Chamfer end
  • Sheared end
  • Gimlet point
Thread Types

Material A2-70 Thread Types

  • UNJ
  • BSF
  • Fine Thread
  • 8-Thread Series
  • UNEF
  • 12-thread series
  • Metric coarse
 

Supplier of A2 70 Socket Head Cap Screw Standard in Variety of Sizes as per ASTM & ASME Standards

Sizes Chart of A2 Stainless Steel
Head Cap Screw Standard    
k dk ds S t
Nominal Size (d) Body Head Height Head Diameter Diameter Socket Size Key Engagement
Max. Max. Min. Nom. Max. Min. Min. Max. Min. Min.
M1.6 1.60 1.60 1.46 1.5 3.14 2.86 1.46 1.56 1.52 0.7
M2 2.00 2.00 1.86 1.5 3.98 3.62 1.86 1.56 1.52 1
M2.5 2.50 2.50 2.36 2 4.68 4.32 2.36 2.06 2.02 1.1
M8 8.00 8.00 7.64 6 13.27 12.73 7.78 6.14 6.02 4
M14 14.00 14.00 13.57 12 21.33 20.67 13.73 12.212 12.032 7
M16 16.00 16.00 15.57 14 24.33 23.67 15.73 14.212 14.032 8
M18 18.00 18.00 17.57 14 27.33 26.67 17.73 14.212 14.032 9
M10 10.00 10.00 9.64 8 16.27 15.73 9.78 8.175 8.025 5
M3 3.00 3.00 2.86 2.5 5.68 5.32 2.86 2.58 2.52 1.3
M4 4.00 4.00 3.82 3 7.22 6.78 3.82 3.08 3.02 2
M5 5.00 5.00 4.82 4 8.72 8.28 4.82 4.095 4.02 2.5
M6 6.00 6.00 5.70 5 10.22 9.78 5.82 5.14 5.02 3
M12 12.00 12.00 11.57 10 18.27 17.73 11.73 10.175 10.025 6
M20 20.00 20.00 19.48 17 30.33 29.67 19.67 17.23 17.05 10
M22 22.00 22.00 21.48 17 33.39 32.61 21.67 17.23 17.05 11
 
Washer Size of A2-70 304
Nominal Size's (mm) Standard
12 - 30 IS 2016
3 - 39 DIN 7980
DIN 127 B
12 - 56 ASTM F436M
A2-70 Bolts Head Styles
A2-70 Bolts Head Styles    
Nut Size of SS Grade A2-70
Nominal Metric Sizes Standard
  • M6- M20 (Gr.8)
  • M10- M24 (Gr.10)
DIN 982
  • M6- M20 (Gr.8)
  • M10- M24 (Gr.10)
DIN 985
M6- M42 ISO 4032
M6- M12 DIN 929
A2-70 Allen Bolt Screw Sizes
Nominal Bolts Sizes (Metric) A2-70 Bolt Grade ISO
M3- M20 45H 4028
M3- M12 45H 4027
M1.6- M64 12.9 4762
M3- M20 012.9 10642
M3- M12 012.9 7380
M4- M20 10.9
M6- M24 012.9
M3- M10 012.9
M8- M22 -
M3- M20 45H 4029
M6- M12 45H 4026
M3- M20 45H 4029
Weight Chart of A2 Stainless Steel
  Diameter Length 35 45 55 65 75 85 95 105 115 125 135 145 155 165 175 185 195 30 120 110 80 130 140 150 100 90 70 160 190 170 180 50 40 60 200
M16 - 113 129 145 160 176 192 207 223 239 - - - - - - - - 231 215 168 247 - - 199 184 153 - - - - 121 105 137 -
M30 - - - - 701 756 812 865 921 976 1032 1087 1143 1198 1254 1309 1365 - 949 893 728 1004 1059 1115 838 784 - 1170 1337 1226 1281 - - - 1392
M22 - - 272 301 331 361 390 420 450 479 509 539 569 599 - - - - 465 435 346 494 524 554 405 375 316 584 - - - 257 - 286 -
M27 - - - - 554 599 644 688 732 777 822 867 912 957 1002 1047 1092 - 755 710 576 800 845 890 665 621 532 935 1069 979 1024 - - - 1114
M12 53.6 62.1 71 79.9 88.8 97.6 107 - - - - - - - - - - 49.1 - - 93.2 - - - - 102 84.3 - - - - 66.6 58 75.4 -
M20 - 188 212 237 262 286 310 335 359 384 409 433 458 - - - - - 372 347 274 396 421 446 322 298 249 - - - - 200 - 225 -
M24 - - - 380 415 451 485 520 556 591 627 662 698 733 769 804 840 - 574 538 433 609 645 680 503 467 398 716 822 751 787 - - 362 -
M36 - - - - - 1184 1264 1336 1415 1495 1575 1655 1735 1815 1895 1974 2054 - 1455 1376 - 1535 1615 1695 1304 1224 - 1775 2014 1855 1935 - - - 2094
 
Which Are The Testing Techniques That Are Used for Testing of A2-70 Bolts ?
Testing Techniques A2-70 Bolts    
A2 Grade Stainless Steel Shear Strength
Nominal Metric Bolts Size Property class

(BS EN ISO 3506)

Shear capacity (1)

Psb (kN)

Tension Capacity

Pnom (kN)

M20 50 35.5 41.2
70 76.1 88.2
80 94.1 109.8
M24 50 51.1 59.3
70 109.6 127.1
80 135.6 158.1
M12 50 12.2 14.2
70 26.2 30.3
80 32.4 37.8
M39 50 141.3 164.0
70 303.0 351.4
80 374.9 437.1
M16 50 22.7 26.4
70 48.7 56.5
80 60.3 70.3
M27 50 66.4 77.1
70 142.5 165.3
80 176.3 205.6
M30 50 81.2 94.2
70 174.2 202.0
80 215.5 251.3
M33 50 100.5 116.6
70 215.5 249.9
80 266.6 310.8
M36 50 118.3 137.2
70 253.7 294.2
80 313.8 365.9
Dimension Chart of A2 70 Bolt
Dimension A2-70 Bolt    
Nominal Size's (Metric) Head Thickness Pitch Dia. Major Dia. Width across corner Transition Dia. da Minor Dia. Width across Flat Pitch
- (k) (D1) (D) (e) Max. (D2) (s) (p)
M-64 39.50 59.80 63.32 104.86 71.00 57.42 92.80 6.0
M-20 12.15 18.15 19.62 32.95 22.40 17.25 29.16 2.5
M-22 13.65 20.15 21.62 37.29 24.40 19.25 33.00 2.5
M-24 14.65 21.80 23.58 39.55 26.40 20.70 35.00 3.0
M-18 11.15 16.15 17.62 29.56 20.20 15.25 26.16 2.5
M30 18.28 27.50 29.52 50.85 33.40 26.16 45.00 3.5
M-39 24.58 36.20 38.46 66.44 42.40 34.61 58.80 4.0
M-27 16.65 24.80 26.58 45.20 30.40 23.70 40.00 3.0
M-16 9.71 14.50 15.68 26.17 17.70 13.80 23.16 2.0
M-42 25.58 38.80 41.44 71.30 45.60 37.07 63.10 4.5
M-45 27.58 41.80 44.44 76.95 48.60 40.07 68.10 4.5
M-33 20.58 30.50 32.52 55.37 36.40 29.16 49.00 3.5
M-36 22.08 33.15 35.46 60.79 39.40 31.61 53.80 4.0
M-48 29.58 44.50 47.40 82.60 52.60 42.52 73.10 5.0
M-60 37.50 57.85 59.36 99.21 67.00 53.97 87.80 5.5
M-52 32.50 48.50 51.40 88.25 56.60 46.52 78.10 5.0
M-56 34.50 52.10 55.36 93.56 63.00 49.97 82.80 5.5

Refer Torque Chart of Grade A2 70 Bolt & A270 Stainless Steel Nut With Maximum Possible Torques for Tightening

A2-70 Bolt Torque Chart
Nominal Diameter (mm) Dry
Clamp Load
Lubricated
Clamp Load
Lubricated Clamp Load Tightening Torque
Lubricated K=0.16 Dry K = 0.35
(lbs) (lbs) (N) (Nm) US Units (Nm) US Units
6 814 lbs 1527 6792 6.52 57.7 7.61 67.3
30 22684 lbs 42532 189198 908 670 1060 782
10 2346 lbs 4400 19571 31.3 23.1 ft-lb 36.5 27.0 ft-lbs
12 3410 lbs 6393 28440 54.6 40.3 63.7 47.0
3 204 lbs 382 1698 0.81 7.2 in-lb 0.95 8.4 in-lb
4 355 lbs 666 2963 1.90 16.8 2.21 19.6
5 574 lbs 1076 4787 3.83 33.9 4.47 39.5
14 4671 lbs 8758 38961 87.3 64.4 102 75.1
20 9905 lbs 18573 82618 264 195 308 228
24 14264 lbs 26744 118970 457 337 533 393
16 6339 lbs 11886 52876 135 99.9 158 116.5
18 7788 lbs 14603 64960 187 138 218 161
27 18589 lbs 34855 155050 670 494 781 577
Maximum Torques Tightening of Stainless Steel Grade A2-70 screw
Max Tightening Torque
M6 9.50 Nm
M10 44.0 Nm
M4 2.70 Nm
M5 5.40 Nm
M8 22.0 Nm
 
ISO 3506 Bolts Most Common Types
ISO 3506-1 Hex Head Bolt

ISO 3506-1 Hex Head Bolt

A2-70 Stainless Steel J-Bolts

A2-70 Stainless Steel J-Bolts

A2 70 Bolt Square Head Bolts

A2 70 Bolt Square Head Bolts

A2 70 Screw Material Eye Bolts

A2 70 Screw Material Eye Bolts

A2-70 Bolt Flange Bolts

A2-70 Bolt Flange Bolts

A2 Grade Hanger Bolts

A2 Grade Hanger Bolts

A2-70 Material U-Bolts

A2-70 Material U-Bolts

Material A2-70 Shoulder Bolts

Material A2-70 Shoulder Bolts

 
Most Common Types of A2-70 Nuts

A2-70 Bolts Supplier in India offers a variety of the most popular types.

Grade A2 Means Hex Jam Nuts

Grade A2 Means Hex Jam Nuts

A2-70 Keps-K Lock Nuts

A2-70 Keps-K Lock Nuts

ISO 3506 Metal Cap Nuts

ISO 3506 Metal Cap Nuts

A2-70 Screw Castle Nuts

A2-70 Screw Castle Nuts

A2-70 Allen Bolt Coupling Nuts

A2-70 Allen Bolt Coupling Nuts

A2 Stainless Steel Stove Nuts

A2 Stainless Steel Stove Nuts

A2 Stainless Steel Wing Nuts

A2 Stainless Steel Wing Nuts

A2 70 Screws Common Types
A2 Stainless Drywall Screws

A2 Stainless Drywall Screws

A2 Grade Stainless Steel Self Drilling Screws

A2 Grade Stainless Steel Self Drilling Screws

A2 Stainless Steel Grade Socket Set Screws

A2 Stainless Steel Grade Socket Set Screws

Material A2 Eye Screws

Material A2 Eye Screws

A2-70 Nut Hex Lag Screws

A2-70 Nut Hex Lag Screws

A2 Stainless Steel Machine Screws

A2 Stainless Steel Machine Screws

A2-70 Material Wood Screws

A2-70 Material Wood Screws

Stainless Steel A2 Threaded Cutting Screws

Stainless Steel A2 Threaded Cutting Screws

Most Common Types of A2-70 Material Washers
A2 Stainless Steel Flat Wahers

A2 Stainless Steel Flat Wahers

Stainless Steel Grade A2-70 Fender Washers

Stainless Steel Grade A2-70 Fender Washers

SS Grade A2-70 Square Washers

SS Grade A2-70 Square Washers

A2-70 AISI 304 Structural Washers

A2-70 AISI 304 Structural Washers

 
A2 70 Stainless Steel Hex Bolt With Minimum Tensile Strength, Check Mechanical Propeties.
A2-70 AISI 304 Bolt Chemical Composition

A2-70 Bolts Manufacturers in India provide accurate chemical compositions for fasteners.

0.1

Carbon

2

Manganese

1

Silicon

0.05

Phosphorus


20

Chromium

0.03

Sulfur

4

Nickel

Mechanical Properties for A2 Yield Strength
A2-70 Physical Properties
Grade Density (kg/m³) Elastic Modulus (GPa) Mean Co-eff of Thermal Expansion (μm/m/°C)
Elec Resistivity (nΩ.m) Specific Heat at 0-100 °C (J/kg.K) Thermal Conductivity (W/m.K)
0-538°C 0-315°C 0-100°C At 500°C At 100°C
A2 70 8000 193 18.4 17.8 17.2 720 500 21.5 16.2
HS Code of A2 Stainless Steel Grade Hex Bolt
Grade HS Code
A2-70 Bolts 73181600
A2-70 Washer & A270 Stainless Steel Nut and Screw Used Across Many Industries Upon Suitability
Applications of A2-70 Bolts
Applications of A2-70 Bolts    
A2-70 Equivalent Grades
Russia

WERKSTOFF NR.

1.4301

North America

UNS

S30400

Japan

JIS

SUS 304

Europe

EN

X4CrNi18-10

Does The APL A270 Hex Bolt Rust?
  • Excellent Resistance To Atmospheric Corrosion
  • Do Not Rust At Room Temperature
  • Better Corrosion Resistance
A2 Stainless Steel Designation System
Composition Groups Ferritic Austenitic Martensitic
Identification of Steel Grades F1 A1, A2, A4 C1, C4 C3
Property Class 60 45 50 80 70 50 80 70
Cold-Worked Soft Soft High-Strength Cold-Worked Soft Hardenedand Tempered Hardenedand Tempered
 
What Are The Major Benefits of A2-70 Bolts ?
Benefits of A2-70 Bolts    
Material A2-70 Standard
Dia. Initial Stressing ForceN (Load 1) Force at 0.2% yield point N Tightening TorqueNm Force in service N
Axial Dynamic Radial Static or Dynamic Axial Static
M3 1420 2250 0.9 360 120 610
M4 2490 3960 2.2 640 210 1070
M10 16440 26100 35.5 4230 1410 7050
M12 23900 37930 61.3 6150 2050 10240
M16 44510 70650 147.1 11450 3820 19080
M5 4030 6390 4.3 1040 350 1730
M6 5700 9040 7.3 1470 490 2440
M8 10380 16470 17.7 2670 890 4450
M20 69460 110250 285.1 17860 5950 29770
What is The Range of Temperature A2-70 Bolt ?
Grade Temperature Range
A2-70 Bolt Upto 870ºC

 why-choose-hiltonsteel

Why Hilton Steel ?

  • ➤ Hilton Steel is a custom steel forging company in India Since 1984. Manufacturer and Supplier of oil and gas piping materials in Mumbai.
  • ➤ Appointed Dealers and Distributors of Bolting Products in Indonesia, South Africa, Saudi Arabia, UAE, Nigeria and Europe