A4-70 Hex Bolt

A4 50 Bolts Nuts Mechanical Characteristics

Tensile Strength (MPa) min Hardness
Rockwell B (HR B) max
Elong
(% in 50mm) min
Yield Strength
0.2% Proof
(MPa) min
Brinell (HB) max
700 Not required 40 450 Not required

Chemical Composition of A4-80 Stainless Steel Stud bolt

Grade   C Si Mn P S Cr Mo Ni Cu N
A4 Min - - - - - 16.0 2.0 10.5 - -
ISO Max 0.08 1.00 2.00 0.045 0.03 18.5 3.0 14.0 1.0 -
A4-70 Min - - - - - 16.0 2.0 11.5 - 0.12
ISO² Max 0.03 1.00 2.00 0.045 0.03 18.5 3.0 14.0 1.0 0.22

A4-50 material specification chart

Specification ASTM A193, A194 / ASME SA193, SA194, ASTM F1554, F593, F594 / ASME F1554, SF593, F594
In Form of:
  • Hex
  • Round
  • Square
  • Threading as per Gauge.
Available Lengths From 3 - 200 mm
Threads BSF, BSW, METRIC, UNC, UNF or as required
Sizes Range M03 – M56 | 3/6" upto 2"

Dimensional Chart of A4-70 Hex Bolt

Dimensional Chart of A4-70 Hex Bolt

Minimal Size (D) HEAD THICKNESS BODY DIAMETER CORNERS THE FLATS
  H (MAX) H (MIN) D (MAX) D (MIN) C (MAX) C (MIN) F (MAX) F (MIN)
m12 7.76 4.24 12.00 11.73 20.78 20.03 19.00 17.73
m10 6.63 6.17 10.00 9.78 18.48 17.77 17.00 15.73
m90 57.74 54.26 90.00 89.13 150.11 143.07 130.00 125.50
m14 9.09 8.51 14.00 13.73 24.25 23.35 22.00 20.67
m80 51.58 48.42 80.00 79.26 132.72 126.54 115.00 111.00
m16 10.32 9.68 16.00 15.73 27.71 26.75 24.00 23.67
m72 46.45 43.55 72.00 71.26 121.24 115.60 105.00 101.40
m20 12.88 12.12 20.00 19.67 34.64 32.95 30.00 29.16
m24 15.44 14.56 24.00 23.67 41.57 39.55 36.00 35.00
m42 26.97 25.03 42.00 41.38 75.06 71.71 65.00 62.90
m30 19.48 17.92 30.00 29.67 53.12 50.85 46.00 45.00
m100 63.9 60.10 90.00 99.13 167.43 159.60 145.00 140.00
m36 23.38 21.63 36.00 35.61 63.51 60.79 55.00 53.80
m64 41.32 38.68 64.00 63.26 109.70 104.65 95.00 91.80
m48 31.07 28.93 48.00 47.38 86.60 82.76 75.00 72.60
m56 36.2 33.80 56.00 55.26 98.15 93.71 85.00 82.20

Searching for

A4-70 Hex Bolt supplier in your country? Checklist of material we export in the following areas.

Application Projects
P.M. Metal Logo

A4-80 Steel Stud bolt

Bangladesh, Jakarta -Indonesia, Dubai, Los Alamos -Mexico, Hong Kong, Turkey, Argentina, Germany, China, Oman, Saudi Arabia (KSA).

Application Projects
P.M. Metal Logo

A4-50 Bolts

Malaysia, Poland, Romania, Indonesia, Malaysia, Iran, Qatar, New Zealand, Brazil, Netherlands, United Arab Emirates (UAE).

Application Projects
P.M. Metal Logo

A4 50 Bolts Nuts

USA, Chile, Ellington -United States, Canada, Sweden, United States, Greece, Singapore, Vietnam, Mexico, Denmark, Thailand, Finland.

Application Projects
P.M. Metal Logo

A4-80 Stainless Steel Stud bolt

Russia, Belgium, Norway, Egypt, Bahrain, Philippines, South Korea, Peru, Malaysia, Tehran -Iran, Colombia, Italy.

Application Projects
P.M. Metal Logo

A4-50 material

Spain, Jakarta, Europe, Australia, Jordan, Dammam -KSA, Japan, Istanbul -Turkey, NY 12203 (USA), Dubai -UAE, Kuala Lumpur.

Application Projects
P.M. Metal Logo

A4-70 Bolt

France, Singapore, Taiwan, South Africa, Portugal, Morocco, Czechia, Kuwait, Austria, United Kingdom (UK), Nigeria.