M2 HSS 3/8″ 1/2″ 5/8″ 3/4″ Taper Chucking Reamer Set Fits 3/8″, 1/2″ Reamers Bit
Increasing taper for ease in hole entry, especially for drilling holes bigger in pitman arm and steering knuckles. l 【 NEEDS】 When you use a regular rotary drill bit to drill holes, you will find that the shape and size of the holes are not very suitable, and the cutting surface is not smooth enough.