5pcs Screw Tap Drill Bits Set Nitriding Composite Pneumatic Tapping Tap,Default NO

Features:

Material: The screw taps are made of steel, which can ensure sharp, fast execution and retain strength and efficiency. 

Size: There are M3/M4/M5/M6/M8 scre taps in the set which will fulfill all your needs.

Universal Design: This screw taps set provides hole drilling, tapping, deburring and countersinking for a quick and complete job on copper.

Easy to use: Just take out the tool and use it in your work, a very convenient set for you. 

Rust proof: This screw taps set adopts high quality material which will avoid rust well.

Specifications:

Material: Steel

Size: M3-49*3mm

M4-56*3.7mm

M5-64*4.4mm

M6-69*4.2mm

M8-70*4.9mmm

Surface treatment: Nitrogen black

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