Skip to content
FREE Shipping on orders $25+
FREE Shipping on orders $25+

Grade 8 Non Serrated Hex Flange Bolts

Grade 8 Non Serrated Hex Flange Bolts are high-strength fasteners engineered for heavy-duty applications, offering exceptional durability and reliability. Their non-serrated flange provides a smooth surface for secure fastening without damaging the materials being joined.

Filters

$
$
$0.56 - $300.96
$0.56 - $300.96
$0.56 - $300.96
$0.56

5/16-18x1/2" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C50BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 1/2"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coarse...

View full details
$0.56 - $300.96
$0.56 - $300.96
$0.56 - $300.96
$0.56
$0.55 - $251.28
$0.55 - $251.28
$0.55 - $251.28
$0.55

5/16-18x3/4" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C75BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 3/4"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coarse...

View full details
$0.55 - $251.28
$0.55 - $251.28
$0.55 - $251.28
$0.55
$0.57 - $259.72
$0.57 - $259.72
$0.57 - $259.72
$0.57

5/16-18x3/4" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C75BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 3/4"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / Full...

View full details
$0.57 - $259.72
$0.57 - $259.72
$0.57 - $259.72
$0.57
$0.61 - $256.95
$0.61 - $256.95
$0.61 - $256.95
$0.61

5/16-18x1" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C100BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 1"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: CoarseP...

View full details
$0.61 - $256.95
$0.61 - $256.95
$0.61 - $256.95
$0.61
$0.63 - $265.77
$0.63 - $265.77
$0.63 - $265.77
$0.63

5/16-18x1" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C100BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 1"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / Full ...

View full details
$0.63 - $265.77
$0.63 - $265.77
$0.63 - $265.77
$0.63
$0.68 - $259.56
$0.68 - $259.56
$0.68 - $259.56
$0.68

5/16-18x1-1/4" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C125BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 1-1/4"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coa...

View full details
$0.68 - $259.56
$0.68 - $259.56
$0.68 - $259.56
$0.68
$0.70 - $268.27
$0.70 - $268.27
$0.70 - $268.27
$0.70

5/16-18x1-1/4" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C125BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 1-1/4"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / F...

View full details
$0.70 - $268.27
$0.70 - $268.27
$0.70 - $268.27
$0.70
$0.77 - $236.53
$0.77 - $236.53
$0.77 - $236.53
$0.77

5/16-18x1-1/2" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C150BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 1-1/2"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coa...

View full details
$0.77 - $236.53
$0.77 - $236.53
$0.77 - $236.53
$0.77
$0.80 - $244.59
$0.80 - $244.59
$0.80 - $244.59
$0.80

5/16-18x1-1/2" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C150BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 1-1/2"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / F...

View full details
$0.80 - $244.59
$0.80 - $244.59
$0.80 - $244.59
$0.80
$0.85 - $227.44
$0.85 - $227.44
$0.85 - $227.44
$0.85

5/16-18x1-3/4" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C175BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 1-3/4"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coa...

View full details
$0.85 - $227.44
$0.85 - $227.44
$0.85 - $227.44
$0.85
$0.88 - $235.26
$0.88 - $235.26
$0.88 - $235.26
$0.88

5/16-18x1-3/4" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C175BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 1-3/4"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / F...

View full details
$0.88 - $235.26
$0.88 - $235.26
$0.88 - $235.26
$0.88
$0.98 - $261.12
$0.98 - $261.12
$0.98 - $261.12
$0.98

5/16-18x2" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C200BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 2"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: CoarseP...

View full details
$0.98 - $261.12
$0.98 - $261.12
$0.98 - $261.12
$0.98
$1.01 - $269.90
$1.01 - $269.90
$1.01 - $269.90
$1.01

5/16-18x2" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C200BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 2"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / Full ...

View full details
$1.01 - $269.90
$1.01 - $269.90
$1.01 - $269.90
$1.01
$1.05 - $260.40
$1.05 - $260.40
$1.05 - $260.40
$1.05

5/16-18x2-1/4" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C225BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 2-1/4"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coa...

View full details
$1.05 - $260.40
$1.05 - $260.40
$1.05 - $260.40
$1.05
$1.08 - $269.25
$1.08 - $269.25
$1.08 - $269.25
$1.08

5/16-18x2-1/4" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C225BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 2-1/4"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / F...

View full details
$1.08 - $269.25
$1.08 - $269.25
$1.08 - $269.25
$1.08
$1.13 - $258.55
$1.13 - $258.55
$1.13 - $258.55
$1.13

5/16-18x2-1/2" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C250BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 2-1/2"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coa...

View full details
$1.13 - $258.55
$1.13 - $258.55
$1.13 - $258.55
$1.13
$1.17 - $267.41
$1.17 - $267.41
$1.17 - $267.41
$1.17

5/16-18x2-1/2" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C250BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 2-1/2"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / F...

View full details
$1.17 - $267.41
$1.17 - $267.41
$1.17 - $267.41
$1.17
$1.27 - $267.97
$1.27 - $267.97
$1.27 - $267.97
$1.27

5/16-18x2-3/4" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C275BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 2-3/4"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: Coa...

View full details
$1.27 - $267.97
$1.27 - $267.97
$1.27 - $267.97
$1.27
$1.34 - $255.66
$1.34 - $255.66
$1.34 - $255.66
$1.34

5/16-18x3" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 31C300BFL8PDiameter/Pitch: 5/16"-18Length Under Head: 3"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: CoarseP...

View full details
$1.34 - $255.66
$1.34 - $255.66
$1.34 - $255.66
$1.34
$1.36 - $260.48
$1.36 - $260.48
$1.36 - $260.48
$1.36

5/16-18x3" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 31C300BFL8YDiameter/Pitch: 5/16"-18Length Under Head: 3"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / Full ...

View full details
$1.36 - $260.48
$1.36 - $260.48
$1.36 - $260.48
$1.36
$0.76 - $260.77
$0.76 - $260.77
$0.76 - $260.77
$0.76

3/8-16x5/8" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 37C62BFL8PDiameter/Pitch: 3/8"-16Length Under Head: 5/8"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: CoarseP...

View full details
$0.76 - $260.77
$0.76 - $260.77
$0.76 - $260.77
$0.76
$0.82 - $251.90
$0.82 - $251.90
$0.82 - $251.90
$0.82

3/8-16x3/4" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 37C75BFL8PDiameter/Pitch: 3/8"-16Length Under Head: 3/4"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: CoarseP...

View full details
$0.82 - $251.90
$0.82 - $251.90
$0.82 - $251.90
$0.82
$0.85 - $260.45
$0.85 - $260.45
$0.85 - $260.45
$0.85

3/8-16x3/4" Grade 8 Hex Flange Frame Bolts Zinc Yellow

in stock

Part Number: 37C75BFL8YDiameter/Pitch: 3/8"-16Length Under Head: 3/4"Grade: Grade 8Finish: Zinc YellowCoarse / Fine Threads: CoarsePartial / Full ...

View full details
$0.85 - $260.45
$0.85 - $260.45
$0.85 - $260.45
$0.85
$0.85 - $228.77
$0.85 - $228.77
$0.85 - $228.77
$0.85

3/8-16x7/8" Grade 8 Hex Flange Frame Bolts Phos & Oil

in stock

Part Number: 37C87BFL8PDiameter/Pitch: 3/8"-16Length Under Head: 7/8"Grade: Grade 8Finish: Black Phosphate & OilCoarse / Fine Threads: CoarseP...

View full details
$0.85 - $228.77
$0.85 - $228.77
$0.85 - $228.77
$0.85

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare