4mm DIN K45 Tungsten Carbide AlTiSin Coated Drill Bit for Stainless Steel Matte Black 10pcs M4x40mm Screws

10pcs M4x40mm Screws

for BMW M760i xDrive 2020-2022 Base 6

for Mini One R56 2006-2012

Always use lubricant (water or cutting fluid) to cool the workpiece when the grinding bit is working

OE Number: 2518300090

4mm DIN K45 Tungsten Carbide AlTiSin Coated Drill Bit for Stainless Steel Matte Black 10pcs M4x40mm ScrewsSpecification: Drilling Diameter: 4mm 0. 157" Flute Length: 23mm 0. 91" Shank Diameter: 4mm 0. 157" Overall Length: 45mm 1. 77" Material: DIN K45 (ISO P10) Tungsten Carbide Finish: AlTiSin Coated Cutting Hardness (Max.): HRC65 Package Content: 1pcs x Twist Drill Bit Description: Constructed from ultra fine DIN K45 (ISO P10) Tungsten Carbide, the drill bit is good toughness, high hardness and wear resistance. With good milling and cutting performance,