12pcs drill tap set including: Metric Size M3*0.5mm, M4*0.7mm, M5*0.8mm, M6*1mm; Inch Size 1/4-20NC,12-24NC,10-24NC,10-32NC,8-32NC,6-32NC.
Drill bit tap set are made of high speed steel, which can ensure sharp, anti and alkali, high hardness and not easy to deform. The surface is treated with a alloy, which greatly improves the cutting performance of the drill, more wear resistant and prolongs the service life.
There are total 12pcs of taps in 2 different standards that you can use for tapping various threads. Drill tap bits increase efficiency of operation by allowing for drilling and tapping to be accomplished in a single pass. Their specifications are marked clearly on the surface, convenient to choose.
Storage case is lightweight and for easy storage and is portable for all job environments
Superior workmanship bringing a good user experience. Please check the pictures carefully before buying to avoid wrong purchase.