SALI Step Drill Bits Set 1/4"-3/4",9 Sizes HSS M35 Four Spiral Flute Nano Blue Coated Cobalt Step Drill Bits Hole Expander for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

الوصف

SALI Step Drill Bits Set 1/4"-3/4",9 Sizes HSS M35 Four Spiral Flute Nano Blue Coated Cobalt Step Drill Bits Hole Expander for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic