Catalog: Gun Drills
Company/Brand: Stock Precision Tools
speeds feeds to drill cast iron in Gun Drills by Stock Precision Tools
ex stock range single fluted gun drills type tbe-solid carbide · · · · from Ø 1 ... .2 to 5.0 mm with flute lengths 45 80 120 and ... 12 cutting parameters for al-alloys acc to si-content structural and free cutting ... steels tempering steels cast iron ggg gtw gts case hardened steels values ... cutting speeds values feed rates reduced feed rate for ... rate f mm/rev nitriding steels 0,010 tool steels 0,005 stainless steels 20 40 60 ... cutting parameters see on page 18/19 tool-Ø mm values lubricant pressure 175 150 ... 125 100 75 50 25 1 2 3 4 5 1 2 3 4 5 tool-Ø mm tool-Ø mm gun drills 5 ...

ex stock range tbe-hm · from Ø 4,0 to 12,0 mm · for drilling depths up to 20 ... applications e.g aluminium or cast iron stainless steels with soluble oil ... service for brazed single-fluted gun drills in addition to the ex-stock range stock ... offers a fast service for gun drills with standard point grind and standard ... head form of mm 0.1 0.1 1.0 0.5 gcgc total length 7.5 mm Ø 650 max 7.5 mm Ø 1000 ... max 1000 max tool material solid carbide/k15 surface ... cutting parameters for al-alloys acc to si-content structural and free cutting ... steels heat-treatable steels cast iron ggg gtw gts case hardened steels values ... cutting speeds 0.175 0.150 0.125 0.100 0.075 feed rate ... f mm/rev 40 nitriding steels 0.050 tool steels 0.025 stainless steels 20 40 60 ...

tool material stc head carbide grade order ... surface finish k15 75019 123 bright drilling depth up to 30 x d d2 l3 l1 l2 nom Ø d1 ... h5 driver Ø d2 total length l1 flute length l2 driver length ... l3 8.00 10.00 12.00 values cutting speeds 16 20 20 330 390 450 282 340 400 48 50 ... cutting parameters for d1 0.3 0.2 0.1 cast iron ggg gtw gts 0 50 100 150 200 250 0 ... cutting parameters see on pages 18/19 tool-Ø mm values lubricant pressure 60 50 40 ... 25 feed rate f mm/rev 30 al-alloys acc to si-contentl short chipping non-ferrous ... metals 0.4 tool-Ø mm tool-Ø mm gun drills 9 ...
single-fluted gun drills with interchangeable insert type tbe-wp ... 60 20 50 15 40 10 15 15 20 25 30 35 40 tool-Ø mm tool-Ø mm cutting parameters for al- ... alloys acc to si-content cast iron ggg gtw gts structural and free cutting ... stainless steels 20 value cutting speeds 0.18 0.16 feed rate f mm/rev 0.14 0.12 ... 20 25 30 35 40 cutting speed vc m/min tool-Ø mm gun drills 11 ...

recommendation for deep hole gun drills drill Ø mm from 1.50 2.00 2.50 4.00 6.00 8.00 ... .035 0.040 the feed rates always relate to p 0.020 0.028 0.030 0.043 0.061 0.068 0 ... 090 0.070 0.100 0.075 0.120 0.080 0.150 tools with the recommended coating in some ... the successful application of un-coated tools cannot be guaranteed tbe-solid cutting ... increase systems are also an option gun drills must be guided during spot-drilling gun ... drills must never operate at full speed ... sequence of operations for deep hole drilling · production of pilot hole l 1.5 x d ... tolerance h8 · enter at low revolutions approx ... and revolutions · uninterrupted drilling to required drilling depth without wood ... pecking when applying gun drills with increased length-diameter-ratio e. ... 75 of the optimal cutting speed up to a drilling depth of approx 25 mm · ...