AUTOTOOLHOME Titanium Combination Drill Tap Bit Set 13PCS SAE and Metric Tap Bits Kit for Screw Thread Drilling Tapping Deburring Countersinking - JYC International Trade Co., Ltd., 02512001

• Titanium Combination Drill tap bits are made of high speed steel 4341, which can ensure sharp, fast execution and retain strength and efficiency. The surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill, is more wear-resistant and prolongs the service life. 13pcs drill tap kit include SAE and metric sizes, Suitable for most commonly used screw tapping.SAE Included 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC and 1/4-20NC,Metric included M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5 , Includes storage case and quick change adapter for easy bit switching Drill, tap, deburr and countersink in one quick and easy action,and complete job on copper, brass, aluminum, sheet metal ,mild steel and plastic.work completely, greatly save processing steps and time costs, and improve work efficiency. Each drill tap bit is engraved with the right size, which is convenient for you to choose the size that suits you. Strong hex shank ensures strong connection to drill.a tapered end to prevent excessive knocks. Back taper exceeds the tap to prevent over-drilling and damage to the thread. Included convenient swivel storage case,Swivel feature props up tap drill bits and securely holds them in place until ready to use. The storage case folds up neatly and is convenient to travel with on different job sites and locations.