NC spotting drill Garant plain shank Exact centric ground point with thin chisel edge - ensures easy spot drilling and high accuracy of the centr

NC spotting drill Garant plain shank Exact centric ground point with thin chisel edge - ensures easy spot drilling and high accuracy of the centre hole form. Very sturdy due to short flutes. Point angle 142° so that the cutting edges of the following drill engage easily. 112120 i ayyw HSSk 112140 142' 112170 Note Use speed for the actual hole 0, (not necessarily the speed for the drill outer 0). (T) Point angles of spotting drill and jobber drill are identical. NC spotting drills give quick spot drilling due to short drill travel. Suitable for/ vc m/min Alu plastics Alu cast >10% Si <500 N <750 N <900 N RfF <1100 N r n <1400N s 5 IE INOX <900 N INOX >900 N Ti >850 N GG(G) CuZn i Uni 'EB' max min Air ISO code N P H K N 1 1 11 2120 - 70 45 40 30 25 10 8 12 8 80 z_\ 11 2140/2170- 87 56 50 50 37 31 12 10 15 10 6 31 100 0h6 S 112120 142° N 2 112140 XtoGarait' 5 112170 142° N 1 L,c 11 2120 11 2140 11 2170 r h6 f 11 212( <900N f 1 2140 1 2170 NC spotting drill HSS/E 142° N mm TiAIN mm mm/rev mm/rev 3 12 46 - 3 0.03 0.03 4 12 55 - 4 0.03 0.03 5 15 60 - 5 0.04 0.04 6 20 66 140 6 0.05 0.05 8 25 79 140 8 0.06 0.07 10 25 89 170 10 0.06 0.07 12 30 102 170 12 0.06 0.07 16 35 115 - 16 0.06 0.07 jfcGaranf Micro drill HSS E DIN 1899 A Type N 0 -0,004 Version Special drill with reinforced shank, high concentricity and precision ground point. 0 Diameter tolerances on the drill 0 / - 0.004 mm. 25 mm EEEKE Suitable for/ Vc m/min Alu plastics q Q L, Alu cast >10% Si <500 N <750 N <900 N <1100N I -TfT <1400 N Pffl 1 <55 HRC a <60 HRC <67 HRC INOX <900 N INOX >900 N Ti >850 N GG(G) CuZn Gra G C 1 Uni max min Air ISO code N P H K N 11 2300- 70 45 40 40 30 25 10 8 12 8 5 25 80 o 1 1 0 mm 2 112300 Flute length mm 1 L mm T h8 mm <900 N 0 mm t 112300 Flute length mm 1 L mm T h8 mm <900 N jfoGrait" jfcGmnpl Micro drill HSS/E N f nm/rev Micro drill HSS/E N f nm/rev 0,15 10 0.8 1.0 1 0.006 0,95 10 6.0 7.1 1.5 0.024 0,20 10 1.5 1.8 1 0.007 1,00 10 6.8 8.0 1.5 0.041 0,25 10 1.9 2.2 1 0.009 1,05 10 6.8 8.0 1.5 0.041 0,30 10 1.9 2.2 1 0.011 1,10 10 7.6 9.0 1.5 0.041 0,35 10 2.4 2.8 1 0.011 1,15 10 7.6 9.0 1.5 0.041 0/40 10 3.0 3.6 1 0.011 1,20 10 8.5 10.0 1.5 0.041 0/45 10 3.0 3.6 1 0.011 1,25 10 8.5 10.0 1.5 0.041 0,50 10 3.4 4.0 1 0.014 1,30 10 8.5 10.0 1.5 0.041 0,55 10 3.9 4.5 1 0.014 1,35 10 9.5 11.2 1.5 0.041 0,60 10 3.9 4.5 1 0.014 1,40 10 9.5 11.2 1.5 0.041 0,65 10 4.2 5.0 1 0.020 1,45 10 9.5 11.2 1.5 0.041 0,70 10 4.8 5.6 1 0.020 1,50 10 9.5 11.2 2 0.052 0,75 10 4.8 5.6 1 0.020 1,55 10 10.6 12.4 2 0.052 0,80 10 5.3 6.3 1.5 0.024 1,60 10 10.6 12.4 2 0.052 0,85 10 5.3 6.3 1.5 0.024 1,70 10 10.6 12.4 2 0.052 0,90 10 6.0 7.1 1.5 0.024 1,80 10 11.8 13.8 2 0.052 Main catalogue Hoffmann Group 46 25 Version Application HSS VN J Type N h6 Standard 142° 1835 B WMNI HSS fc a 0 6 mm with drive flat to DIN 1835-B