Version: Roll forged, standard helix angle, core thickness and core taper. Dimensions to DIN 338. Robust jobber drill with strengthened core and small chisel point for easy spot drilling and accurate centring of the designated hole. Precision roll forged flutes. Recommendation: Maximum drilling depth: L2 = LC - 1.5 × DC. Note: Size 14-20: Shank ? 13 mm with 3 drive flats.
Through-coolant: no Tolerance nominal ?: h8 Point angle: 118 degrees Shank: Plain shank Number of cutting edges Z: 2 recommended maximum drilling depth L2: 10.5 mm Flute length Lc: 12 mm Overall length L: 34 mm Shank ? Ds: 1 mm Feed f in steel < 750 N/mm2: 0.03 mm/rev.
Version: Roll forged, standard helix angle, core thickness and core taper.Dimensions to DIN 338.No interruption in the material structure, so the drill is more resilient and suitable for arduous...
Version: Special surface treatment, resulting in reduced tendency to edge build-up and improved chip evacuation. Recommendation: Maximum drilling depth:L2 = LC - 1.5 × DC. Note: For suitable reducing...
Version: HOLEX CleverDrill: Sturdy drills for all standard applications. Improved spot drilling behaviour due to cross-ground form. Standard core thickness and core taper. Profile ground. Surface:...
Version: Profile ground: this ensures high concentricity and pitch accuracy. Precision ground point. Drill for production use.With point geometry shape C from size 2 mm Recommendation: Maximum...
