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Bolts - Bulk Ordering and Packaging

Bolts threads are determined by, 2x the diameter + ¼”, and have a small washer face under the head.

Uneeda Bolt & Screw stocks bulk quantities of bolts in our warehouse ready for shipment. If you are looking for a size or type of bolt not listed, we will find it for you. Feel free to call us at 800-535-2800.




GRADE 2:
Low carbon hex head steel bolt, usually has no head markings.
 

GRADE 5:
Through hardened hex head steel bolt, denoted by a head marking of 3 lines.


GRADE 8:
Through hardened hex head steel bolt and stronger than grade 5, denoted by a head marking of 6 lines.


STAINLESS:
A hex head bolt, typically 18-8 (300 series stainless) corrosion resistant, denoted by a head marking of 2 lines.
 

HEX TAP BOLT:
Fully threaded hex bolts, no washer face under the head.
 

CARRIAGE BOLT:
A round head which has no drive, It does have a square or ribbed neck.


HEX LAG BOLT:
A low carbon hex bolt with a wood screw thread.