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(Pkg 100) 4-40 x 1/4" Machine Screw, Phillips Pan Head, Black Oxide, Steel. Sold in a package of 100.
Specifications::
Size: 8-32
Thread Size: 4-40
Body Diameter: #4
Length: 1/4" (0.25")
Length From: Under Head
Head Type: Pan
Drive: Phillips
Material: Steel
Finish: Black Oxide
Thread Diameter: 0.112"
Thread Count per Inch (TPI): 40
Thread: Fully Threaded
Thread Type: UNC
Thread Spacing: Coarse
Head Diameter: 0.219"
Head Height: 0.080"
Bit Driver Size: #1 Phillips
A thin coat of rust preventive oil has been applied by the factory to improve corrosion resistance.
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