A bolt is a type of hardware that consists of a cylindrical shaft with a head at one end. It is used with a nut to fasten objects together. Bolts are commonly used in construction, machinery, and automotive applications.
Dimension Standard
Standard
Grade
Size
DIN 3570, Square Head Bolt, T Bolt and as per drawing
ISO 3506 -1
A2-70, A2-50, A2-80, A4-50, A4-70, A4-80
M20 to M52
DIN 3570, Square Head Bolt, T Bolt and as per drawing
ISO 898 - 1
8.8, 10.9, 12.9
M20 to M52
DIN 3570, Square Head Bolt, T Bolt and as per drawing
ASTM A193
B7, B7M, B8CL1, B8CL2, B8MCL1, B8MCL2
M20 to M52
DIN 3570, Square Head Bolt, T Bolt and as per drawing
ASTM A320
L7, L7M, B8CL1, B8CL2, B8MCL1, B8MCL2
M20 to M52