Vessel, Drill Bits, Master-crafted Drill, Large Bore Size, For Iron-working-Fast Shipping

Description

Blade Size: 0.4 inches (11.0 mm), Total Length: 4.9 inches (125 mm), Weight: 1.6 oz (44.4 g)

Optimal rotation limit (drilling in soft material SS material): 571 r.p.m.

Material: High speed steel HSS (high speed steel)

The angle of the tip and base are different for better discharge and work better

X-shaped thinning for good adhesion and no punch required

Tip Angle: 118°