Hex Shank Metric Thread M-3/M-4/M5/M6/M-8/M-10 Titanium-Coated HSS Drill and Tap Bits HSS4241 Hardness is Suitable for Wood//Copper Aluminum Alloy and Other Materials with Low Hardness

These taps are made of from high speed steel and surface finished by nitriding for high hardness and rust resistance. Increase efficiency of operation by allowing for drilling and tapping to be accomplished in a single pass. Features: Spiral -structure full grinding process. Drilling and tapping integrated structure. Titanium-plating on the surface. Standard 1/4 hexagon handle. High hardness and rust resistance. They are taps with drilling function used to drill a hole and cut new threads. At the same time you will have a smooth tapping experience. Specifications: Item type: Screw Tap Material: High-speed steel Color: Golden silvery(optional) Selection quantity: 1PC 6PCS(optional) Package weight: 1PC: 10g/0.35ounces 6PCS: 65g/2.29ounces Package size: 150*100*20mm/5.9*3.93*0.78inches Package list: 1 * Screw tap