Beli spotting drill di monotaro.id

Obeng Minus (-) TPR

Solid carbide spotting drills are harder than cobalt steel and high-speed steel spotting drills and provide good wear resistance when drilling into the toughest materials. Sometimes called hole-starting drill bits or spot drills, these short drills make starter holes that help prevent drill bits from walking (or moving) when the hole is made deeper with a drill bit.

Tin coating makes it possible to achieve high speed and long life.

It is also ideal for centering, chamfering, deburring at hole entrance. TiN coating has made it possible to achieve higher speed and longer life. Centering processing, chamfering processing, deburring of hole entrance.

Series J100 - Metric General purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite. Point angle: 118°, helix angle: normal, web thickness: standard, relief angle: 10°-20°, tolerance of diameter: h8, tolerance of shank: f11. Manufactured to BS 328/DIN338RN. Bright Finish Drills with a bright finish are supplied in the as-ground condition and such tools are used generally in the machining of non-ferrous materials.

Highly reliable printing with better performance.