Subland twist drill type N M12 HSS 90 degree core hole RUKO

short · HSS · type N · point angle 118 degrees · countersink angle 90 degrees · relieved cone · short and torsionally stable drill bits · suitable for use on CNC or NC machines · drilling and countersinking completed in one operation · 90 degrees for screw thread core hole · right-hand cutting · for the rational production of through-hole bores and screw head joints with 90 degrees

Note: the cutting speed depends on the large diameter, and the feed depends on the small diameter ·
Further technical information Feed in steel up to 800 N: 0,12mm/rev · Point angle: 118° · Type: N · Type: core hole · Countersink angle: 90° · Length of chip groove: 54mm