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

Product Description

Part Number: 31C50BFL8P
Diameter/Pitch: 5/16"-18
Length Under Head: 1/2"
Grade: Grade 8
Finish: Black Phosphate & Oil
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full
Wrench Size: 1/2"
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BoltsandNuts.com

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

SKU: 31C50BFL8P

Product Description

Part Number: 31C50BFL8P
Diameter/Pitch: 5/16"-18
Length Under Head: 1/2"
Grade: Grade 8
Finish: Black Phosphate & Oil
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full
Wrench Size: 1/2"
Click Here for Tech Drawing

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Diameter Pitch	5/16"-18
Grade Material	Grade 8
Partial Full Threads	Full
Threads Per Inch	18 TPI
Proof Load	6,290 lbf
Tensile Strength	150,000 psi
Tensile Stress Area	0.0524 sq in
Torque Dry	25 ft-lb
Head Type	Hex Flange (Frame Bolt)

Length Under Head	1/2"
Finish	Phosphate & Oil
Coarse Fine Threads	Coarse
Wrench Size	1/2"
Clamp Load	4,720 lbf
Yield Strength	130,000 psi
Hardness	Rockwell C33–C39
Torque Lubricated	18 ft-lb
Nominal Size	5/16"

Grade	Grade 8
Material	Medium carbon alloy steel, quenched and tempered
Thread Class	2A
Major Diameter	0.312"
Min Tensile Load	7,860 lbf
Proof Stress	120,000 psi
Head Marking	Six radial lines on head
Length	1/2"
Inch Metric	Inch