3pcs 10.5mm Nitride Titanium Coated High Speed Steel (HSS) 4341 Twist Drill Bits 75x69.7x47.5mm Outside Diameter: 90mm

Outside Diameter: 90mm

and water supply systems

3d Card Making

Extend the service life of bolts

Good pinion gear replacement for your device

3pcs 10.5mm Nitride Titanium Coated High Speed Steel (HSS) 4341 Twist Drill Bits 75x69.7x47.5mm Outside Diameter: 90mm4341 high speed steel contains high content of carbon and alloy elements, providing excellent cutting performance, high heat resistance, high hardness, wear resistance and durability. Suitable for applications requiring precise and efficient processing. Black nitride and gold titanium dual coatings can apply lubricant better for smoother drilling and are more durable and corrosion resistant. Large spiral grooves facilitate the export of metal chips,