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Thread Rolling Screws, Indented Hex Washer Head, Fully-Threaded, 1/4"-20 x 3/8" Length, Case Hardened Low Carbon Steel Zinc Plated

Part Number: 491-P30-1M

Legacy Part Number(s): 491-115

Thread Rolling Screws, Indented Hex Washer Head, Fully-Threaded, 1/4"-20 x 3/8" Length, Case Hardened Low Carbon Steel Zinc Plated

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Specifications

Part Number 491-P30-1M
Catalog Page(s) B99
System of Measurement Imperial
Legacy Part Number 491-115
Head Type Indented Hex Washer Head
Thread Size 1/4"-20
Length 3/8"
Thread Type Fully-Threaded
Material Case Hardened Low Carbon Steel
Finish Zinc Plated
Screw Coating Waxed
Head Diameter/Width Across Flats .375 Max.; .367 Min.
Standard ASME/ANSI B18.6.4
Washer Outside Diameter .520 Max.; .480 Min.

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