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Thread Rolling Screws, Indented Hex Washer Head, Fully-Threaded, #4-40 x 5/16" Length, Case Hardened Low Carbon Steel Zinc Plated

Part Number: 491-101

Thread Rolling Screws, Indented Hex Washer Head, Fully-Threaded, #4-40 x 5/16" Length, Case Hardened Low Carbon Steel Zinc Plated

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Specifications

Part Number 491-101
Catalog Page(s) B99
System of Measurement Imperial
Head Type Indented Hex Washer Head
Thread Size #4-40
Length 5/16"
Thread Type Fully-Threaded
Material Case Hardened Low Carbon Steel
Finish Zinc Plated
Screw Coating Waxed
Head Diameter/Width Across Flats .187 Max.; .181 Min.
Standard ASME/ANSI B18.6.4
Washer Outside Diameter .243 Max.; .225 Min.

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