Collection: Grade 5 Hex Flange Bolts

Hex flange bolts are one-piece head bolts that are flat surfaced. The flange bolts eliminate the need to have a washer since the area under their heads is wide enough to evenly distribute pressure, thus helping to compensate for misaligned holes. Grade 5 hex flange bolts are used in lighter applications.

Non Serrated

Serrated

Serrated Large Flange

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Diameter/Pitch

#6-32 7
#8-32 7
#10-24 5
#10-32 10
1/4"-20 32
1/4"-28 5
5/16"-18 32
5/16"-24 5
3/8"-16 31
3/8"-24 5
7/16"-14 5
1/2"-13 22
5/8"-11 3

Length Under Head

1/4" 2
3/8" 7
1/2" 16
5/8" 14
3/4" 23
7/8" 10
1" 24
1-1/4" 16
1-1/2" 17
1-3/4" 9
2" 13
2-1/4" 5
2-1/2" 6
2-3/4" 3
3" 4

Coarse / Fine Threads

Coarse 148
Fine 21

Partial / Full Threads

Partial 12
Full 157

Wrench Size

1/4" 14
5/16" 10
3/8" 35
1/2" 36
9/16" 34
5/8" 5
3/4" 26
15/16" 3

Finish

Zinc Clear 145
Zinc Yellow 24

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5/16-18x3/4" Grade 5 Hex Flange Bolts Zinc Clear

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Collection: Grade 5 Hex Flange Bolts

Non Serrated

Serrated

Serrated Large Flange

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