5/16"-24 Grade 5 Serrated Hex Flange Lock Nuts Zinc

Product Description

Part Number: 31FSLN5Z
Diameter/Pitch: 5/16"-24
Grade: Grade 5
Finish: Zinc Clear
Thread Series: Fine (UNF)
Wrench Size: 1/2"

BoltsandNuts.com

5/16"-24 Grade 5 Serrated Hex Flange Lock Nuts Zinc

SKU: 31FSLN5Z

Product Description

Part Number: 31FSLN5Z
Diameter/Pitch: 5/16"-24
Grade: Grade 5
Finish: Zinc Clear
Thread Series: Fine (UNF)
Wrench Size: 1/2"

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Thread Size	5/16"-24
Finish	Zinc Clear
Thread Series	Fine (UNF)
Proof Load (min)	6,970 lbf

Grade	Grade 5
Head Type	Slotted Hex
Head Marking	J995 Grade 5 marking
Hardness	Rockwell C25–C34

Material	Medium carbon steel, quenched and tempered
Wrench Size	1/2"
Thread Class	2B

Technical Drawing

Not to scale · IFI-100/107 · See table for exact dimensions

Technical Dimensions

Wrench Size	1/2"
Thread Size	5/16"-24
Threads Per Inch	24 TPI
Thread Class	2B
Flange Style	Serrated Flange Nuts
Head Type	Slotted Hex
Material	Medium carbon steel, quenched and tempered

Hex nut with an integral serrated flange. The flange spreads load like a built-in washer and the serrations bite the bearing surface to resist loosening; a washer under a serrated flange defeats them.

Dimensions conform to IFI-100/107 and may vary within specified manufacturing tolerances.