6 Pieces Drill Bit HSS to rod Hexagonal M3-M10 Thread Screw Valve - Golden-

Description descriptionmade in steel to high speed 4341, this set of 6 bits to rod hexagonal is designed for offer a high hardness and a resistance to the rust, ensuring thus a service life extended. The bit are ideal for the drilling, the taraudage, deburring and the milling, allowing save of the steps of processing and improve efficiency of the work. This kit includes of the sizes varied for meet to different needs, going of M3 to M10.Technical Specifications

Material : Steel to high speed 4341

Processing of surface : Coating in titanium

Size of the bit : M3x0.5 (Length total : 54mm), M4x0.7 (Length total : 55mm), M5x0.8 (Length total : 56mm), M6x1.0 (Length total : 57mm), M8x1.25 (Length total : 59mm), M10x1.5 (Length total : 60mm)

Rod : Hexagonal 1/4" (6.35mm)

Angle of chamfer : 90°

Use these bit are suitable for the drilling of materials such that the wood, the plastic, the copper end, aluminum and other metals mous. It is recommended d'injecter of water when of the drilling for cooling the drill and add of oil before d'actionner the valve for a operation more fluid and for extend its service life. Avoid of drill to a speed too high without cooling.