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91321A128 | Mil. Spec. Steel Phillips Flat Head Screws

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Product Number: 91321A128

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  • Description
Product Number 91321A128
System of Measurement Inch
Drive Style Phillips
Head Type Flat
Threading Fully Threaded
Thread Direction Right Hand
Thread Fit Class 2A
Thread Size 1/4"-20
Thread Spacing Coarse
Thread Type UNC
Drive Size No. 3
Screw Size Decimal Equivalent 0.250"
Length 1/2"
Material Cadmium-Plated Steel
Hardness Not Rated
Tensile Strength 60,000 psi
Specifications Met MS35190-287, NASM35190
Countersink Angle 82°
Country of Origin Peoples Republic of China
Flat Head Profile Standard
Head Diameter 0.507"
Head Height 0.153"
Schedule B 731815.9000

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