6 Pcs Cobalt Serrated Drill Bit Set Spiral Screw Metric Composite Tap Twist UK
Serrated Twist Drill. Structure: Saw&Drill. Easy To Install, Suitable For Most Of Electric Drill. 2.High-Speed Steel Material Drill Bits Can Be Stable And Durable. Item Type: Drill Bits. Material: High-Speed Steel+Titanium.