1pc HSS Step Cone Drill Bit 1/4" Hex Shank Titanium Coated Drilling Tool For Metal Wod Power 3-13mm Инструменты - купить

Купить 1pc HSS Step Cone Drill Bit 1/4" Hex Shank Titanium Coated Drilling Tool For Metal Wod Power 3-13mm | Инструменты

Specification:

Brand new

Type: drill bit

Material: HSS 4241

Surface: titanium coated

Color: golden, as picture shows

Quantity: 1pc

Shank Size: 1/4"

11 Steps: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13mm

High speed steel, used in hardness under 25 ° workpiece, the plate thickness under 4 mm, such as carbon steel plate, sheet iron, insulation boards, wood, etc.

When inject cold water while working, can effectively extend the service life of the drill bit.