Sheet Metal Screw, M4.2 x 20 mm, Black Phosphate Steel Hex Head External Hex Drive, 50 PK(5925PK)

Sheet Metal Screw, Head Type Hex Washer, Finish Phosphate, Material Steel, Screw Size M4.2, Fastener Length 20 mm, Head Width 7 mm, Head Height 4 mm, Drive Size 7mm, Dimensional Standards Not Applicable, For Maximum Material Thickness Not Applicable, Pack Size Small, Minimum Head Height Not Applicable, Minimum Head Width Not Applicable, Maximum Head Height 4 mm, Maximum Head Width 7 mm, System of Measurement Metric, Drive External Hex, For Use in Systems Not Applicable