201450U 201470U 201450 201470 631 6 36 9 12 15 18 21 24 27 30 33 10 mm 4 mm 92 mm 6 38 9 13 16 19 21 23 26 32 4.5 mm 29 35 10 mm 100 mm 6 36 9 12 15 18 21 24 27 30 33 10 mm 4 mm 92 mm 6 38 9 13 16 19 21 23 26 32 4.5 mm 29 35 10 mm 100 mm I I I I 1590 Maximum cutting depth 4 mm Maximum cutting depth 4.5 mm Maximum cutting depth 4 mm Maximum cutting depth 4.5 mm STEP DRILLS CBN GROUND · 2 CUTTING SPIRAL-FLUTED WITH SPLIT POINT Alu Alu Steel Steel Stainless Stainless Copper, brass, tin Copper, brass, tin Plastics GRP/CRP Plastics GRP/CRP Grey cast iron Grey cast iron APPLICATION APPLICATION PROPERTIES PROPERTIES HSS-XE steel + BLUE-DUR coated Made of high-alloyed special steel 'XE' for considerably longer service life than HSS-Steel. BLUE-DUR coating for a further substantial increase in service life also when machining dry (no/less cooling). The CBN ground and spiral flutes guarantee smooth running and high cutting performance. The chip flow is optimised and removed easily as with a twist drill. Ideal for thicker sheets from 2 mm. HSS-XE steel Made of high-alloyed special steel 'XE' for considerably longer service life than HSS-Steel. The CBN ground and spiral flutes guarantee smooth running and high cutting performance. The chip flow is optimised and removed easily as with a twist drill. Ideal for thicker sheets from 2 mm. Cutting data Movie < 1100 N < 900 N < 900 N < 600 N > 10% Si > 10% Si 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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