Hex bolts, Zinc plated grade 8 steel yellow, 5/16"-18 x 5-1/2"

Grade 8 hex bolt

Prod. # Length Each price Bag price Bulk price Price Buy
7749 5-1/2" $2.12 / ea $42.04 / 25 $353.00 / 250 $2.12 / ea $42.04 / 25 $353.00 / 250
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Product Images

Hex cap screw Varies (Body) dimensions
Grade 8 (Head) dimensions

Product details

Bolt Depot Product #: 7749
Units: US
Category: Hex bolts
Subcategory: Hex bolts
Material: Steel
Plating: Zinc
Grade: Grade 8
Color: Yellow
Thread density: Coarse
Diameter: 5/16"
Thread count: 18
Length: 5-1/2"
Thread direction: Right hand
Length tolerance: +0.06" / -0.10"
Head style: Hex
Drive type: External hex
Head height Min: 0.195"
Head height Max: 0.211"
Width across the flats: 1/2"
Fully threaded: No
Thread length Min: 7/8"
Dimensional standard: ASME B18.2.1
Material standard: SAE J429

Matching Products

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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.
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Hex nylon insert lock nuts, Zinc plated grade 8 steel yellow, 5/16"-18
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USS flat washers, Zinc plated grade 8 steel yellow, 5/16"
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Lock washers, Zinc plated grade 8 steel yellow, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
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See also

Metric hex bolt

Metric hex bolts

A bolt with a six sided head.