Hex Shank Titanium Hss Step Drill Bit Stainless Steel Cone Taper Iron Metal Wood Hole Cutter Metric Center Drill Bits 4-12/20/32

Hex Shank Titanium Hss Step Drill Bit Stainless Steel Cone Taper Iron Metal Wood Hole Cutter Metric Center Drill Bits 4-12/20/32

Feature:

Specifical step design, one drill for many sizes, very convenient.

Durable.

Cutting material: iron sheet, aluminum, insulation board, PVC plate wood thickness in 4mm.The hole with a drill can play a variety of.

Specifications:

Type:step drill

Material:high-speed steel

Size:4-12mm,4-20mm, 4-32mm