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Fasteners Specifications ASTM A193 / A193, ASME SA193 / SA194
Standard DIN, ASTM, BS and all International Standards
Length 3 mm to 200 mm
Size M3 - M56 | 3/6" to 2" | Custom Sizes
Size M3 - M56 | 3/6" to 2" | Custom Sizes
Size M1.6 - M12
Size M3 - M56 | 3/6" to 2" | Custom Sizes
Fasteners Type Bolts, Nuts, Sockets, Screws, Screw, Studs, Socket Screw, Hex Set Screw, Cap Screw, Machine Screw, Pan Head Screw, Allen Cap screw, Socket Head Cap Screw, Wing Screw, Spring Washers, Washers, Studs, Marine Anchors, Anchors, Hexagon Nut, Nut, Hex Coupling Nut, Hex Nut, Square Nut, Hex Domed Cap Nuts, Hex Head Bolts, Stud Bolts, Socket Hexagon Head Screw,U- Bolts, Anchor Bolt, Mushroom Head Square Neck Bolts, J Bolts, Wing Screw, T-Head Bolts, Foundation Bolts, Eye Bolt,Structural Bolts.
Nut Size
(mm)
Diameter*
(mm)
Height
(mm)
Hex Nut
Jam Nut
Nylock Nut
2
4
1.6
1.2
-
2.5
5
2
1.6
-
3
5.5
2.4
1.8
4
4
7
3.2
2.2
5
5
8
4
2.7
5
6
10
5
3.2
6
7
11
5.5
3.5
-
8
13
6.5
4
8
10
17
8
5
10
12
19
10
6
12
14
22
11
7
14
16
24
13
8
16
18
27
15
9
18.5
20
30
16
10
20
* This is the diameter across the flats. It is also the size of wrench to use.
Alloy Steel B6 C Mn Si P S Co Cr
0.15 max 1.00 max 1.00 max 0.040 0.030 11.50-13.50
Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
666 (≥) 997 (≥) 42 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
Temperature (°C) Modulus of elasticity (GPa) Mean co-eff. of thermal expansion Thermal conductivity (W/m·°C) Specific thermal capacity (J/kg·°C) Specific electrical resistivity (Ω mm²/m) Density (kg/dm³) Poisson’s coefficient, ν
31 0.44
525 957 42.3 411
951 21 21.2 444 444