12Pcs 1/4in Hex Shank HSS Screw Thread Countersink Tap Drill Bit Combination Set

1/4 Inch Hex Shank HSS Drill Bit and Screw Tap Set. High-speed steel with Titanium coating, which supports a much longer service life. Metric M3, M4, M5, M6, M8, M10 thread countersink screws can be tapped with this drill and tap set. M3 x 0.5mm pitch,M4 x 0.7mm pitch,M5 x 0.8mm pitch,M6 x 1.0mm pitch,M8 x 1.25mm pitch,M10 x 1.5mm pitch. These taps are used on a machine to do the tapping, more accurate because human error is eliminated. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc. Product Specification Type Hex Shank Tap Drill Bits Material High-Speed Steel Quantity 12Pcs Shank 1/4" (6.35mm) hex shank Size M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5 DIY Supplies Metalworking Surface Treatment Titanium Coated(Gold) Color Gold Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc Package Included 12PCS Hex Shank Tap Drill Bits

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