10.9mm Titanium Coated M42 High Speed Steel 8% Cobalt (HSS) Twist Drill Bit 4mm X 12mm It is a good accessory

It is a good accessory for tailor

54mm spacing pin headers

Total Size: 80mm x 37mm x 58mm / 3

* Output voltage: DC48V 3A

10.9mm Titanium Coated M42 High Speed Steel 8% Cobalt (HSS) Twist Drill Bit 4mm X 12mm It is a good accessoryM42 steel is a super hard cobalt high speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness (Retains hardness even at high temperatures of the cutting edge.). Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Can greatly improves hardness, wear resistance, and reduces the coefficient of friction. Sharp