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 or

hard surfaces (like glass or glazed tile) to prevent wandering

Numbered Handle Markings: each tap is engraved with its corresponding size for easy storage and quick identification

plus 5/16"

and M12 metric taps (approximate imperial equivalents: 1/8 in

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