Insoul HSS 4241 cheapest 4-32mm step drill bit for metal and wood

Place of Origin:

Zhejiang, China

Brand Name:

Insoul

Model Number:

MDB01 Cheap Drill Well

Type:

step drill bits, STEP Drill Bit

Use:

wood Metal Drilling, Metal, Plastic, Fiberglass To Wood

Finish:

tin-coated

Raw Material:

4241,4341,6542,M35

Surface Finishing:

TIN-COATED

Shank Shape:

Round,Triangle,hex

sizes:

3-42mm

packing:

wood box,plastic box

Certification:

ISO9001