HSS Step Drill Bit

HSS Step Drill Bit

Apply to Steel construction

X type head design

  • To fix the tip on correction position while drilling and durable

Diameter marked on the drill bits

Perfect and convenient for worker to drill different sizes hole 
    with a single step drill bit

Spiral Flute & Straight Flute HSS Step Drill bit

 

Please click Download ↓ for specification

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