Description: 10pcs HSS Titanium Coating M3/4/5/6/8/10 Tapping Chamfering Drill Machine Thread Tap. Specification: Material:HSS;  Surface treatment:Titanium Coating; Tip Diameter:3mm, 4mm, 5mm, 6mm, 8mm, 10mm; Thread:M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25, M10*1.5 (optional); Purpose:processing nuts or common thread on alumunium or alumunium alloy parts; for the tapping machine; Quantity:10pcs (same size); Features: - The application of nitriding enhances the abrasion performance, surface hardness, fatigue limit, anti erosion ability of the tapping. - Small resistance, smooth chip removal, smooth cutting surface, no residue, with good machinability, it can tap to the button of blind hole. - Flexible to be use, processing efficiency, good stability, safe and reliable, widely used, low processing cost, can be applied to a variety of jobs. Package Included: 10pcs x Spiral flute tap