A4-70 Bolt


A4-70 Bolt Overview


A4-70 Fasteners Size in Stock :

Imperial Sizes: Up to 4.0", Metric Sizes : M2 - M100

A4 70 Hex Bolt MTC :

EN 10204 3.1 and 3.2

A4-70 Stainless Steel Washer Form :

Coarse Threads, Fine Threads





ISO 3506-1 Grade A4-70 Stud Bolts Origin :

Netherland, Belgium, Greece, Portugal, Spain

A4-70 Nuts Standard:

ISO 3506-1, ASTM F738

A4-70 Stainless Steel Threaded Rod Threads:

UNC, UNF, BSF, UNEF


CITIZEN Metals Pvt. Ltd Supplies A4-70 Bolt With Wide Range of Sizes. Click Here For Data Sheet.


A4-70 Bolt

A4 70 Hex Bolt and Nuts Manufacturer in India, Check Yield Strength

A4-70 Bolt Mechanical Properties

Tensile Strength Yield Strength Hardness Elong
700 MPa (Min) 450 MPa (0.2% Proof) Not required 40% (50mm)
A4 70 Hex Bolt

A4 70 Hex Bolt

A4 70 Stainless Steel Bolt

A4 70 Stainless Steel Bolt

ISO 3506-1 Grade A4-70 Stud Bolt

ISO 3506-1 Grade A4-70 Stud Bolt

A4-70 Nuts

A4-70 Nuts


Table of Content


A4 70 Fasteners Specification

A4 70 Fasteners in Stock

A4 70 Fasteners in Stock

  • Metric sizes : M2 - M100
  • Imperial Sizes : Up to 4.0"
  • Length : 3 to 200 mm

A4-70 Bolt Ends

A4-70 Bolt Ends

  • Chamfer, Flat
  • Saw cut
  • Sheared
  • Rounded
A4 70 Stainless Steel Stud Bolt

A4 70 Stainless Steel Stud Bolt Threads

  • METRIC, UNF
  • UNC, BSW
  • BSF etc.

A4 70 Screws Head Style

A4 70 Screws Head Style

  • Round
  • Button
  • Pan
  • Truss

ISO 3506-1 Grade A4-70 Hex Bolt Neck Types

ISO 3506-1 Grade A4-70 Hex Bolt Neck Types

  • Knurled
  • Square
  • Hex, Triangular

A4-70 Nuts Thread Pitch

A4-70 Nuts Thread Pitch

  • Coarse Threads
  • Fine Threads




A4 70 Socket Head Cap Screw Surface

A4 70 Socket Head Cap Screw Surface

  • Oxidation
  • Phosphating
  • HDG
ISO 3506-1 Grade A4-70 Tip Style

ISO 3506-1 Grade A4-70 Tip Style

  • Rolled
  • Dog
  • Die, A pinch
SS A4-70 Threaded Rod Condition

SS A4-70 Threaded Rod Condition

  • Cold Drawn
  • Threading



A4 70 Stud Washers Origin

A4 70 Stud Washers Origin

  • European
  • Indian, Korean
  • Japanese
  • American
A4 70 Allen Bolt Condition

A4 70 Allen Bolt Condition

  • Cold Drawn
  • Threading


ISO 3506-1 Grade A4-70 Stud Type

ISO 3506-1 Grade A4-70 Stud Type

  • Fine/ Fully Threaded
  • Tap-End
  • Double-End

Supplier of A4 70 Stainless Steel Screws and Threaded Rod With UNC, UNF, BSF and UNEF Threads, Refer Torque Chart

A4-70 Bolt Torque Chart

Diameter of Bolts Torque (Through M10 to M12 over ft-lbs.) Torque (N-m)
Dry Lubricated Dry Lubricated
24 mm 445 400 603 543
3 mm 8.9 in-lbs. 8.0 in-lbs. 1.0 0.9
18 mm 190 171 258 232
5 mm 45.1 40.6 5.1 4.6
10 mm 372 335 42 38
8 mm 188 169 21.2 19.1
14 mm 87 78 118 106
6 mm 77.0 69.3 8.7 7.8
16 mm 133 119 180 162
20 mm 273 246 370 333
4 mm 23.0 20.7 2.6 2.3
22 mm 358 322 485 437

A4 70 Stainless Steel Screws Threads

Authorized A4-70 Bolt Supplier in India Offering Bolts With Various Threads as Per Project Requirement

  • Fine & Fully Threaded,
  • Double end
  • Coarse

Exporter of ISO 3506-1 Grade A4-70 Stud Bolt With Custom Size as Per ISO 7093 Standard

ISO 3506-1 Grade A4-70 Studs Size Chart

A4-70 Bolt Manufacturer in India, Offering Many Size Option in Slovakia, Ireland, Jamaica, Finland, Bahamas, Denmark

Nominal Dai M140 M160 M125 M90 M100 M85 M76 M80 M72 M60 M68 M56
PITCH (mm) 6 6 6 6 6 6 6 6 6 5.5 6 5.5
Dai in (Inches) 5.5118 6.2992 4.9212 3.5433 3.937 3.3464 2.9921 3.1496 2.8346 2.3622

2.6772

 2.2047
Dai in (mm) 140 160 125 90 100 85 76 80 72 60 68 56
Nominal Dai M48 M52 M42 M30 M36 M24 M20 M22 M18 M12 M14 M10
PITCH (mm) 5 5 4.5 3.5 4 3 2.5 2.5 2.5 1.75 2 1.5
Dai in (Inches) 1.8898 2.0472 1.6535 1.1811 1.4173 0.9449 0.7874 0.8661 0.7087 0.4724 0.5512 0.3937
Dai in (mm) 48 52 42 30 36 24 20 22 18 12 14 10

A4 70 Stainless Steel Bolt and Nuts Price List

Check For A4 70 Fasteners Price Per Kg in India Contact Us A4-70 Bolt and Nuts Price List
Stockist of SS A4-70 Fasteners With Phosphating and Oxidation Surface Finish for High Performance Applications

A4-70 U bolt Surface Finishes

Finish Type Ra (µm) Range
Plain 3.2-6.3
Bright 1.6-3.2
Polished 0.2-1.6

Stainless Steel A4-70 Threaded Rod Application

  • Medical Equipment
  • Chemical and Petrochemical
  • Oil and Gas
  • Marine
Refer to the A4 70 Washers and Socket Head Cap Screw Composition and Equivalent Grades

A4 70 Washers Chemical Composition

Carbon (C) Manganese (Mn) Silicon (Si) Phosphorus (P) Copper (Cu) Sulfur (S) Molybdenum (Mo) Chromium (Cr) Nickel (Ni)
0.08 (Max.) 2.00 1.00 (Max.) 0.045 1.0 0.03 2.0 To 3.0 16.0 To 18.5 10.5 To 14.0

A4-70 Socket Head Cap Screw Equivalent Grades

USA DIN JIS BS AFNOR UNI
SS 316 X5CrNiMo17-12-2 SUS316 316S31 Z7CND17-12-02 X5CrNiMo17-12

A4 70 Stainless Steel Eye Bolt Physical Properties

Density Elec Resistivity Specific Heat Thermal Conductivity Elastic Modulus
8000 kg/m³ 740 nΩ.m 500 J/kg.K 16.3 (W/m.K 193 GPa

Types of A4-70 Fasteners

A4-70 Bolt Manufacturer in India, Provide Various Types Like Stud Bolt, Hex Bolt, Heavy Hex Bolt etc at Low Cost in Albania, Austria, Yemen, Syria, Jordan, Switzerland

SS A4 70 Bolts

SS A4 70 Bolts

A4-70 SS Hex Bolt

A4-70 SS Hex Bolt

ISO 3506-1 Grade A4-70 Screw

ISO 3506-1 Grade A4-70 Screw

A4 70 Stud Bolt

A4 70 Stud Bolt

A4-70 SS Threaded Rod

A4-70 SS Threaded Rod

ISO 3506-1 Grade A4-70 Nuts

ISO 3506-1 Grade A4-70 Nuts

A4 70 Washers

A4 70 Washers

A4-70 SS Eye Bolt

A4-70 SS Eye Bolt

ISO 3506-1 Grade A4-70 U Bolts

ISO 3506-1 Grade A4-70 U Bolts

A4 70 Set Screws

A4 70 Set Screws

A4-70 Socket Head Cap Screws

A4-70 Socket Head Cap Screws

A4-70 SS Square Bolt

A4-70 SS Square Bolt

ISO 3506-1 Grade A4-70 Hex Bolts Standards

DIN 931 ISO 4032
DIN 933 ISO 7093
DIN 912 ISO 4017
DIN 603 ISO 4762
DIN 934 ISO 4014
DIN 6923 ISO 7089

A4-70 Bolt Dimeninsion

Citizen Metals Pvt. Ltd is A4-70 Bolt Supplier in India, Also Supplies SS A2-70 Nuts With Different Dimension in Singapore, Malaysia , Indonesia, Thailand and Vietnam

A4-70 Bolt Dimeninsion  
Diameter Width Across Flats Body Diameter Height Width Across Corners
Bolt Width D H C
- Max-Min Maximum Max-Min Max-Min
2-1/4 3.50-3.02 2.30- 1.54-1.32 4.04-3.86
5/8 1.06-1.03 0.64- 0.44-0.37 1.22-1.17
1-3/4 2.75-2.30 1.78- 1.19-1.05 3.17-3.03
3/4 1.25-1.2 0.76- 0.52-0.45 1.44-1.38
1-1/4 2.00-1.75 1.27- 0.87-0.74 2.30-2.20
1 1.62-1.57 1.02- 0.70-0.59 1.87-1.79
1-1/8 1.81-1.75 1.14- 0.78-0.65 2.09-2.00
1-3/8 2.18-1.93 1.40- 0.94-0.81 2.52-2.41
7/8 1.43-1.39 0.89- 0.60-0.53 1.66-1.58
1-1/2 2.37-2.11 1.53- 1.03-0.90 2.74-2.62
2 3.12-2.66 2.03- 1.38-1.17 3.60-3.44
1/2 0.87-0.85 0.51- 0.36-0.30 1.01-0.96
2-1/2 3.87-3.75 2.55- 1.70-1.47 4.47-4.27

A4 70 Stainless Steel Fasteners Property Class

A4 70 SS Fasteners Type Standards Size Range Property Class
A4-70 Threaded Rod DIN 975 M3 to M36 A4 - 70
A4 70 Socket Head Cap Screw DIN 912 / ISO 4762 M3 to M30 A4 - 70
SS A4 70 Hex Head Bolt (Partial Thread) DIN 931 / ISO 4014 M4 to M30 A4 - 70
A4 70 Stainless Steel Plain Washer DIN 125 A M3 to M64 A4
A4-70 Hex Nut DIN 934 / ISO 4032 M3 to M30 A4 - 70
A4-70 SS Flat - Section Spring Washer DIN 127 B M3 to M36 A4
Stainless Steel A4-70 Hex Head Screw (Full Thread) DIN 933 / ISO 4017 M3 to M30 A4 - 70
A4-70 Square - Section Spring Washer DIN 7980 M3 to M36 A4

A4 70 Stainless Bolt Weight Chart

A4 70 Stainless Bolt Weight Chart  
Bolt Size C (min) A (max) B D E F Thread Length for Bolt Length
max min over 6" 6" and shorter
5/8" 1.033 0.642 15/16 27/64 0.06 0.02 1.750 1.500
1/2" 0.826 0.515 3/4 11/32 0.03 0.01 1.500 1.250
3/4" 1.240 0.768 1-1/8 1/2 0.06 0.02 2.000 1.750
5/16" 0.552 0.324 1/2 7/32 0.03 0.01 1.125 0.875
7/8" 1.447 0.895 1-5/16 37/64 0.06 0.02 2.250 2.000
1" 1.653 1.022 1-1/2 43/64 0.09 0.03 2.500 2.250
1-1/8" 1.859 1.149 1-11/16 3/4 0.09 0.03 2.750 2.500
2-1/4" 3.719 2.305 3-3/8 1-1/2 0.19 0.06 5.000 4.750
1/4" 0.484 0.260 7/16 11/64 0.03 0.01 1.000 0.750
3/8" 0.620 0.388 9/16 1/4 0.03 0.01 1.250 1.000
1-1/4" 2.066 1.277 1-7/8 27/32 0.09 0.03 3.000 2.750
2-3/4" 4.546 2.837 4-1/8 1-13/16 0.19 0.06 6.000 5.750
7/16" 0.687 0.452 5/8 19/64 0.03 0.01 1.375 1.125
1-1/2" 2.480 1.531 2-1/4 1 0.09 0.03 3.500 3.250
1-3/8" 2.273 1.404 2-1/16 29/32 0.09 0.03 3.250 3.000
1-3/4" 2.893 1.785 2-5/8 1-5/32 0.12 0.04 4.000 3.750
2-1/2" 4.133 2.559 3-3/4 1-21/32 0.19 0.06 5.500 5.250
2" 3.306 2.039 3 1-11/32 0.12 0.04 4.500 4.250
3" 4.959 3.081 4-1/2 2 0.19 0.06 6.500 6.250

A4-70 Fasteners Client Reference

A4-70 Bolt Stockist in India, Offering Fastest Delivery of A4-70 Stainless Steel Fasteners in Following Countries

Location Industries Project Products
Czech Republic Marine Industry Ultramarine Stainless Steel A4-70 Stud Bolt
Bahrain Oil and Gas Bapco Refining A4-70 Bolt
Belgium Aerospace Antwerp Space SS A4-70 Hex Bolt
Greece Chemical Processing Solutia Europe BV A4-70 Fasteners
Oman Power Generation GULF GENUINE POWER PROJECTS CO LLC A4 70 Stainless Steel Washers
Netherland Marine Industry Dutch Marine Systems A4-70 SS Nuts
Qatar Oil and Gas SPIE Oil & Gas Services Doha WLL A4 70 Screws

Our Speciality Products


  • A2-70 Bolt Supplier in India Maintain a Huge Stock of Corrosion-Resistant Bolts, Nuts, Screws, Washers etc PED-certified Distributor and Trader in Mumbai.

  • A2-70 Bolt Importer and Stockholder in Accordance With DIN, ISO, JIS, BS, and ASME Standards.

  • A2-70 Bolt Manufacturer in India Offer Competitive Prices to Local Supplier, Trader, and Wholesaler in the Austria, Bahrain, UAE, Ireland, Saudi Arabia, Kuwait and Denmark

  • Compare A2-70 Bolt Price per KG in India

  • Dealer and Distributor of A2-70 Bolt at Low Cost in Mumbai

  • Stockist and Exporter of prime quality A2-70 Bolt for Extreme Pressure Environment

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Get In Touch

Prasad Chambers, Office No. 912A, 9th Floor, Opera House, Charni Road, Mumbai-400004, India.

Tel No. : +91-22-61905600 (100 Lines)

Mob No. : +91-9820356311

Email : exports@citizenltd.com