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4MM HSS-G DIN338 METAL DRILL BIT Twist drill bit made of high speed steel, manufactured to DIN 338. right-hand cutting twist drill bit, type N, drill bit tip 136 degrees, split point manufactured to DIN 1412 C, diameter tolerance h 8. Drill bit ground from solid metal. special factory standards lead to excellent surface quality. Shank equal to drill bit diameter. Drill bit colour : polished For drilling in alloyed and unalloyed steel upto a tensile strength of 900N/mm2, non-ferrous metals, cast iron, cast steel, sintered iron, malleable cast iron and hard plastics. The precision-ground Bosch HSS-G drill bit, manufactured to DIN 338/340, enables up to 40 % faster drilling rate and up to 50% lower feed pressure than standard-ground HSS drill bits with a chisel edge. The self-centring properties of the split point drill tip means there is no need to pre-punch or pilot drill up to 10 mm diameter. Universal cutting oil in a spray can increases the service life of the tool by 30%, whilst also increasing the CLICK HERE TO SEE OTHER DRILL BIT SIZES (Bosch 4MM hss -g metal drill bit 4 mm original is the responsibility of Martin Holder) |
Mholder@cedar--rapids.com (Martin Holder) for more information.
