Step Drill Bit Set Titanium Coated HSS Universal Hole opener Cutter Metal Plank Reaming groove Tool Kit

1.This is the 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

2.It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

3.Spiral angle, more smooth chip removal, sharp without burr.

4.The marking diameter of optical fiber is clear at a glance, and the handwriting is clear.

Specification:

Material: High Speed Steel

Package included: 3/6pc set

1、3-12 4-12 4-20 opp

2、3-12 4-12 4-20 bag

3、4-12 4-20 4-32 opp

4、4-12 4-20 4-32 bag

5、rotate drill 6pcs opp

6、rotate drill 6pcs box

7、drill set 6PCS opp