5pcs Step Drill Hole Jig Drill Bit HSS Woodworking Too Sets

Welcome to my store, we have many kinds of price products, we launch new products every day, please follow my store and pay more attention, for more products, Please click on the seller information to enter our store to buy, we hope give you a pleasant shopping experience. Thank you and have a nice day!Description:--5 pieces High speed steel HSS high hardness step drill /hole jig drill bit set.
--Titanium coated to reduce friction and heat.
--No need to use center punch, not easy to break compared with twist drill.
--Automatically deburrs, chamfer, open hole expansion, make a clean hole as you drill.
--Use tools: drill, bench drill.
--The recommended drilling speed is 250-400 rpm.
--Suit for holes in a variety of materials including thin metals, steel aluminium, copper, wood, plastic, fiberglass, brass and PVC etc..Specification:Material: High-speed Steel
Drill Bit size:4-12,4-20,4-32Hole Drill Bit Size:3mm,6mm,8mm
Package Includes:5 Pieces /Set Drill Bits HSS Step Drill Drill Bit ;HSS Step Drill Drill Bit

a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a