Name: Hemp flowers straight shank drill

process: full grinding / milling cobalt drill

material: M35

use: for all kinds of materials drilling holes

surface treatment: Yellow

specifications: 1.0~10.0

features

1. head special grinding edge, high hardness, in the drilling of the workpiece material, have excellent processing performance. The groove is smooth, Li feng.

2. after vacuum heat treatment, which greatly improves the bit red hardness.

Finish homework 3. right-hand turning drill body, 135 degrees of double angle, give full play to the self centering performance, without pre drilling, faster and more accurate to.

4. by grinding formation, size precision, higher cutting efficiency, more wear.

Large angle design and 5. special large spiral, effectively reduce the cutting resistance, sandwich structure thickness can drill products provided for additional cutting force