Product details - Pack of 10 centre cutting HSS twist drills 0.4 mm high precision with polished ground finish Ruko
Pack: 10 centre cutting twist drills with a diameter of 0.4 mm designed for precision work and fine drilling.
Material: manufactured from HSS high speed steel to ensure high wear resistance and durability.
Tip design: autocentre point with conical tip and split point to DIN 1412 C which facilitates drill starting without slipping.
Geometry: 118° cutting angle and 20° to 30° helix angle to optimise chip evacuation and cutting efficiency.
Tolerance: diameter tolerance h8 to ensure high dimensional accuracy for technical and professional applications.
Finish: bright polished ground finish to improve corrosion resistance and reduce friction during use.
Cutting direction: right hand cutting compatible with most standard drills and drilling machines.
Recommended applications: suitable for drilling steel including alloyed and unalloyed steel with tensile strength up to 900 N/mm², grey cast iron, malleable and nodular iron, die castings, sintered iron, nickel silver, cast iron with graphite, and aluminium bronze and brass alloys.
Product classification::
This product belongs in the category Drill Bits: for drills, for metal, for iron, for aluminum, conical type (cone), hss type (spiral, helix), in set (kit).
https://habitium.com/ie/drill-bits/1277986-pack-of-10-centre-cutting-hss-twist-drills-04-mm-high-precision-with-polished-ground-finish-ruko.htmlGB-1277986Pack of 10 centre cutting HSS twist drills 0.4 mm high precision with polished ground finish Rukohttps://cdn.habitium.com/5291773/pack-of-10-centre-cutting-hss-twist-drills-04-mm-high-precision-with-polished-ground-finish-ruko.jpg?sto=true&width=48028.21instockRUKO20.8522.9300/Drill Bits