Mũi khoan bước hình nón bằng thép HSS 4-12 / 20 / 32mm

Description This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. Features - Color: Golden. - Material: HSS & Titanium - With the Titanium coated to reduce friction and heat. - Suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. Length 4-12mm length: Approx. 6.3cm/ 2.48inch 4-20mm length: Approx. 7.3cm/ 2.87inch 4-32mm length: Approx. 10cm/ 3.94inch Specification 4-12mm Hole Sizes in 2mm Steps (5 steps) 4-20mm Hole Sizes in 2mm Steps (9 steps) 4-32mm Hole Sizes in 2mm Steps (15 steps) Package Included: 1pc 4-12/20/32mm Step Cone Drill Note: 1. Please allow 1-3cm differences due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.