4pcs 0.5mm C3/K10 Tungsten Carbide Precision Straight Shank Twist Drill Bit Switch Guard 120 x Blank Retail Sale

120 x Blank Retail Sale Signs

good for protecting the handle

* Output voltage: DC12V 40A

2pcs x Spinning Bike Pull Pin Spring Knob

2 Pole 5 Position design

4pcs 0.5mm C3/K10 Tungsten Carbide Precision Straight Shank Twist Drill Bit Switch Guard 120 x Blank Retail SaleThe solid carbide drill bit is made of a micro grain tungsten cobalt alloy with an average cobalt content of 6%. It has high hardness (HRC92), wear resistance, heat resistance, high bending strength, and resistance to stick. Provides faster cutting speeds than other substrates and is harder but more brittle. Large and spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches. With good milling