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Filters: Steel Zinc Grade 8 Yellow 5/16" 1/2" Hex External hex Remove All

Hex bolts, Zinc plated grade 8 steel yellow, 5/16" x 1/2"

Grade 8 hex bolt

Hex bolt diameter is measured on the outside of the threads.

Hex bolt diameter

Resources

US Hex bolt sizes

Diameter and Thread count
Coarse (standard) thread 5/16"-18 Fine thread 5/16"-24

Matching Products

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Prod. #	Description	Buy
3048	SAE flat washers, Zinc plated grade 8 steel yellow, 5/16" SAE pattern is a tighter fit on the bolt and a smaller outside diameter.	Add $0.12 / ea $7.88 / 100 $64.30 / 1,000
3061	USS flat washers, Zinc plated grade 8 steel yellow, 5/16" USS pattern is the most common type of flat washer.	Add $0.14 / ea $9.40 / 100 $78.50 / 1,000
3038	Lock washers, Zinc plated grade 8 steel yellow, 5/16" Split lock washers place tension against a nut after tightening, to help prevent loosening.	Add $0.06 / ea $3.56 / 100 $31.80 / 1,000

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See also

Metric hex bolt

Metric hex bolts

A bolt with a six sided head.