STONEGO 10/25/50Pcs HSS Steel Cobalt Mini Twist Drill Bit Set Straight Shank Hole Opener Power Drilling Punching Tools

Feature:

– It made of high speed steel,high hardness,good wear resistance and durability.

– High hardness,good wear resistance and durability.

– Has a heavy-duty spiral flute design that produces fast chip ejection.

– High working efficiency, perfect punching effect and long using life.

– Suitable for drilling holes in wood, walnut, Bodhi seed, etc.

 

Specification:

Material:HSS

Bits sizes(optional) :

10pcs(0.8-3.0mm):0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0(mm)

25pcs(0.5-3.0mm):0.5×5/ 0.6×5/ 10×3/ 1.2×2/ 1.5×2/ 1.8×2/ 2.0×2/ 2.35×2/ 3.0×2(mm)

50pcs(1.0-3.0mm):1.0×10/ 1.5×10/ 2.0×10/ 2.5×10/ 3.0×10(mm)

Length:29-59mm, 22-60mm, 33-60mm

 

Package included:

10pcs Twist Drill Bits

or

25pcs Twist Drill Bits

or

50pcs Twist Drill Bits