3Pcs Step Drill Bit Set

Numbe: 614143

Specifications: 3Pcs

3Pcs HSS Step Drill Bit Metric Spiral Flute core drill bit Titanium Coated cone Step Drill Bit Set hole cutter round

HSS material, titanium coating surface

Strengthening hardness and durability

HSS material, titanium coating surface

Strengthening hardness and durability

Double spiral groove, fast chip removal

Effectively block metal chips and cause damage due to splashing

Double spiral groove, fast chip removal

Effectively block metal chips and cause damage due to splashing

Universal secure handle

It is not easy to slip, more firm and durable

ITEM NO.

SIZE

BARCODE

INNER/

CTN

OUTER/

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G.W/

CTN

N.W/

CTN

LEN/

CTN

WID/

CTN

HEI/

CTN

614143

4-12mm

4-20mm

4-32mm

6959820855410