Description:
HSS 4-12mm Spiral Grooved Step Drill Bit Titanium Coated Step Cone Drill Bit
Specification:
Material: High speed steel 4241
Color: Golden (as picture shown)
Size: 4-12mm(4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12)mm
Total length: 72mm
Features:
- Good chip removal ability and durable for use.
- Professional design, which makes drilling holes more precise with smoother cutting.
- Works great in making a smooth, clean and perfectly round hole.
- Using to cut holes in a variety of materials Including steel, brass, wood, plastic, etc.
Pacakge Included:
1Pc x 4-12mm Spiral Grooved Drill
More Details:
