Size (length*width*height): 14cm x 6cm x 3cm

What's in the box:

M35 HSS Cobalt Step Drill BitWith 1/4" Hex Shank (1x)

Solid Heavy Duty M35 HSS Cobalt Step Drill Bit With 1/4" Hex Shank For Drilling Stainless Steel In Industrial Manufacturing

Size To Choose:-
4mm-12mm Hole Size In 4, 5, 6, 7, 8, 9 ,10, 11, 12 (7 Steps)
4mm-20mm Hole Size In 4, 6, 8, 10, 12, 14, 16, 18, 20 (9 Steps)

Features:-
M35 HSS Cobalt Step Drill
Spiral Groove Design (Great Chip Removal)
118 Opening Design
1/4" Hex Shank
High Quality Material
High-Speed Steel Cobalt
M35 Steel

Special Features:-
High-Speed Steel Cobalt / M35 Steel
118 Opening Design Can Effectively Reduce Bit Slip
High Quality Material Selection And Multiple Material Types Meet Different Operation Requirements
Suitable For Aluminum, Insulation Board, PVCBoard Chamfer, Steel, Aluminum, Sheet Metal, Carbon Steel, 304 Stainless Steel, Etc.

What Is M35 Steel Grade?
M35 Steel Is A Medium-Alloyed High Speed Tool Steel. It Is Also Known As Hsse Or Hss-e Which Is Similar To M2, But With 5% Cobalt Added, Which Makes Better Hot Hardness And Wear Resistance