H&H Cobalt High Speed Steel Drill Set

Brand :
H & H
Caution
Product Description
A top-class HSS CO steel specification with a long service life and extended continuous operating time
· Has undergone thinning, ensuring firm engagement (3.0 mm or more) and excellent sharpness
· Has a cross-thinned X-shape for firm engagement
· Capable of drilling clean holes in difficult-to-cut materials such as iron, aluminum and stainless steel