13PCS Combination Drill & Tap Bit Set, 6 PCS SAE (6-32NC

The surface is treated with a titaniumalloy, which greatly improves the cutting performance of the drill, is morewear-resistant and prolongs the service life. 13pcs drill tap kit include SAE and metricsizes, Suitable for most commonly used screw tapping. Please add some water or coolant to prevent thematerial from smoking when in use. 【13 PCS】Ready When You Need to make screw holes, this tap bit set includes 6 pc SAE sizes drill bits 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC, ¼-20NC and 6 pcs Metric sizes drill bits 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. 【High Quality Materials】Titanium Combination Drill tap bits are made of high speed steel, 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. 【Unique Design】The product portfolio includes SAE and metric sizes, so it has high versatility. Each tap drill is engraved with a label, which is convenient for you to choose the size that suits you. The convenient ¼-inch (6.35mm) hex shank has a tapered end to prevent excessive knocks. Back taper exceeds the tap to prevent over-drilling and damage to the thread. 【Tips】a. Go slow, Do NOT force them; b. Use a lot of cutting oil; c. Take your time; d. It will work better to cut and back out a little and cut again; e.