4PCS/SET HSS STEP DRILL BIT TOOL SET 4mm to 32mm CONE CUTTERS + Twist Drill US

Feature:

Metal material is durable

Titanium plating provides better wear protection

Comfortable and mellow design

Specification:

Type: District 15 

Material: High speed steel 4241 (suitable for workpieces with hardness below 25°, such as carbon steel)

Specification:

* 4-32mm (4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm) 6.35MM handle

* 4-20mm (4,6,8,10,12,14,16,18,20mm) 6.35MM handle

* 4-12mm (4,5,6, 7,8, 9,10, 11,12mm) 6.35MM handle  Volume weight: 223g 10.5*6.6*3.2g

* Twist Drill:72x4mm

Color: Silver

Package Content:

3 * Drill Bits+1* Twist Drill