Palmer Bolt & Supply Co.

Hex and Socket Screws

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Inch and Metric all Materials

Hex Screws:
 
Grade 2, 5, 8 L-9 • Structural A325, A490 • B-7, B-8, B-8M • Serrated • Flange • Fully Threaded 

Identification of Grades

Grade 2 Threaded Fastener -- Headmark

Grade 5 Threaded Fastener -- Headmark

Grade 8 Threaded Fastener -- Headmark

F593-G

A325

Grade 2 Threaded Fastener
Grade 5 Threaded Fastener
Grade 8 Threaded Fastener

Stainless

A325

** Product standards require the manufacturer's head marking to appear on the top of all bolts 1/4" diameter and larger.  "X" represents one location such a marking may appear.

Socket Screws

Cap Screws • Flat Head • Button Head • Set Screw • Shoulder Bolt • Low Head • SQ Head Set • Dowel Pins

Flat socket cap screw
Flat socket cap screw

Socket head cap screw
Socket head cap screw

Button socket cap screw
Button socket cap screw

Socket set screw
Socket set screw

Socket shoulder screw
Socket shoulder screw

Dowel pin
Dowel pin

 
 

Palmer Bolt & Supply Co.
727 East Ash Street
P.O. Box 401 • Piqua, OH 45356
(937) 778-9606 • (800) 450-BOLT(2658) • Fax: (937) 778-9201