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Hexagonal Head Bolts/Screws DIN 931/933

 

Metric Series - Physical Properties

Property Class

4.6

4.8

Class 5.6

Diameter

All Diameters

All Diameters

All Diameters

Unit N/mm2 N/mm2 N/mm2
Tensile Strength (Min) 400 420 500
Yield Strength 0.2% off (Min.) 240 340 300
Proof land Stress 225 310 280
Impact Strength in Joules (Min.) N/A N/A 25
Hardness Rockwell   [HR] B67-B95 B71-B95 B79-B95
Elongation (Min.)  [%] 22 N/A 20
Reduction of Area [Min.)  [%] N/A N/A N/A
 

Recommended Tightening Torques and Induced Loads

Normal Thread Size

Stress Area (mm2)

4.6

4.8

5.6

mm2

Nm

Kn

Nm

Kn

Nm

Kn

M6 20.1 4.05 3.38 5.74 4.78 5.07 4.22
M8 36.6 9.84 6.15 13.94 8.71 12.30 7.69
M10 58.0 19.49 9.74 27.61 13.80 24.36 12.18
M12 84.3 33.99 14.16 48.15 20.06 42.49 17.70
M14 115.0 54.09 19.32 76.64 27.37 67.62 24.15
M16 157.0 84.40 26.37 119.57 37.37 105.50 32.97
M18 192.0 164.12 32.25 164.51 45.70 145.15 40.32
M20 245.0 164.64 41.16 233.24 58.31 205.80 51.45
M22 303.0 223.98 50.90 317.30 72.11 279.97 63.63
M24 353.0 284.66 59.30 4.3.27 84.01 355.82 74.13
M27 459.0 416.40 77.11 589.91 109.24 520.51 96.39
M30 561.0 565.49 94.25 801.11 133.52 706.86 117.81
M33 694.0 769.51 116.59 1090.13 165.17 961.88 145.74
M36 817.0 988.24 137.26 1400.00 194.45 1235.30 171.57
M39 976.0 1278.95 163.97 1811.85 232.29 1598.69 204.96
M42 1120.0 1580.05 188.16 2239.10 266.56 1975.68 235.20
M45 *** *** *** *** *** *** ***
M48 *** *** *** *** *** *** ***
M52 *** *** *** *** *** *** ***

 

Stud Bolts ASTM A193

Stud Bolts ASTM A320

Hexagon Nuts SAE J995

Hexagon Nuts DIN 934

Plain Washer

Dimension of Heavy Hex Nuts

Heavy Head Structural Bolts DIN 7990

Heavy Hex structural Bolts ASTM A325

Heavy Hex Structural Bolts ASTM A325M

Hex Bolts/Screws ASTM A307.Gr.A

Hex Bolts/Screws ASTM A307.GR.B

Hexagon Hex Bolts/ Screws Din 931/933

Hexagon hex Bolts /Screws 931/933
Hexagon Hex Nuts  ASTM A194/A194M

Rounded Hardened Steel Washer

Spring Lock Washer DIN127

Taper & Square Washer

Structural Bolting /Nuts/Washer

Heavy Pattern 'U' Bolts

Anchor Bolts            (Metric Series)

Hardened Steel Washer
Hexagon Socket Head Cap Screws DIN 912

Hexagon Socket Head Cap Screw ANSI B18.3
Heavy Hexagon Nuts ASTM A563, A, B, C, D, DH,DH3

Heavy Hexagon Hex Nuts ASTM A563M
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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