hard surfaces (like glass or glazed tile) to prevent wandering
Deep Chip Flute Design: the deep chip flutes help prevent jamming during drilling and reduce heat buildup caused by chip clogging
Titanium Coated HSS Construction: made from high-speed steel with a titanium coating for improved hardness
Deep Flute Design for Efficient Chip Removal: the optimized deep spiral flutes efficiently channel debris out of the hole during drilling
allowing cleaner edges and professional-looking results with less effort
Extended-Length Combination Tap Set (6PCS), Hard HSS Screw Metal Drill/Tap/Deburr Bits, Hex Shank Compatible with Drill Press/Tapping Machine Power Drills hard surfaces (like glass orAbout this item Size Options: the extended length combination tap set is available in metric (M3, M4, M5, M6, M8, M10, M12) and imperial (1 8 in, 5 32 in, 3 16 in, 1 4 in, 5 16 in, 3 8 in) thread sizes. For each tap, the appropriate drill hole diameter must be selected according to a tap drill chart to fulfill diverse threading needs HSS Spiral Cutting Blades: made of wear resistant HSS with efficient cutting performance, these taps drill smoothly