Bolt information including threads, drives, common types and grades.Types of Bolt Drives
Various bolt drives include: Allen or socket drive, hex head drive, Torx drive and square drives.
Bolts can come fully or partially threaded depending on the bolt type. International Organization for Standardization (ISO) standards for threads are: length is twice the diameter of the bolt plus 1/2 inch. If you are looking for fully threaded bolts please call direct at 800-872-5557.
Popular and Commonly Used Bolts
Commonly used bolts include: Hex head cap screws, flange bolts, socket cap screws, lag bolts, elevator bolts and carriage bolts.
Common Bolt Grades
Grade 2 - bolt head has no radial lines. Low or medium carbon steel.
Grade 5 - bolt head has 3 radial lines. Medium carbon steel.
Grade 8 - bolt head has 6 radial lines. Medium carbon alloy steel.
Metric 8.8 - 8.8 stamped in the head of the bolt. Medium carbon steel.
Metric 10.9 - 10.9 stamped in the head of the bolt. Alloy steel.
NutsandBolts.com is a discount bulk supplier of bolts and fasteners to individual as well as commercial and industrial accounts.