CHILDWEET High-Speed Steel Masonry Drill Bit and Tap Drill Bit Set Metric with 6 Sizes for Precision Threading and Woodworking

Package Include6 x combination drills 1 x chuckGoods Informationcountersinking drill bit Drills and taps in a single pass to save your labor and precious time.drill & tap bit set Point is self-centering and eliminates the need for center drilling or center punching.metric drill set Drills and taps in a single pass to save your labor and precious timeFeatures- Material: High-speed steel- Color: Golden- Size: About 7.00X1.00X1.00cm/2.75X0.39X0.39in- If it is not possible to cool the bit while drilling, the drilling rate should not be too high and the drilling should not be too frequent metric drill bit set.- These taps are used for taps on machines and are usually more accurate because is eliminated tapping drill bit set.- These are taps designed to drill and cut simultaneously for a smooth tapping experience tap drill bit.- 6 steel bits for drilling wood, plastic, fine copper, aluminum and other metals (5-6mm) thread tap drill bits.-Product Info:Tape drill bit set- The tap design has spiral grooves for better chip cleaning process adjustable countersink drill bit set.

• Screw tapping bit:these taps are used for taps on machines and are usually more accurate because is eliminated,combination drill tap bit set
• Tap drill bit:pressing down can loosen the ejecting bit, truly second quick replacement,adjustable countersink drill bit set
• Countersink bit:there are total 6 pieces of taps in different sizes that you can use for tapping various threads,drill taps bit set
• Tapping drill bit set:when drilling, water needs to be injected at the same time to cool the bit,countersink bit for metal
• Tapered countersink drill bits:back tapered beyond tap to prevent thread damage from over-drilling,countersink drill bit set