Description

Specification:
Material:HSS 4241 / High Speed Steel 4241;
Coating: Blue Nano;
Shank Size: 1/4″ Hex Shank;
Quantity: 3Pcs;

Step Drill Step Size:
4-12mm:(3,4,5,6,7,8,9,10,11,12mm, 10 Steps);
4-20mm:(4,6,8,10,12,14,16,18,20mm, 9 Steps);
4-32mm:(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm, 15 Steps);

Features:
1: Made of high quality high speed steel 4241;
2: New blue nano coating surface treatment, 3-5 times longer drill life than other drill bits;
3: Sharp drill and no burr;
4: Suitable for drill hole ona variety of materials including steel, brass, wood, plastic, etc;

Package Included:
3 Pcs x Step Drill Bits4-12+4-12+4-32mm