201447 201447U 201448 201448U 201449 201449U 201466 201452 201492 628 4 5 6 7 8 9 10 11 12 6 mm 80 mm 5 mm 4 6 8 10 12 14 16 18 20 4 mm 8 mm 70 mm 6 26 8 10 12 14 16 18 20 22 24 4 mm 10 mm 28 30 *32 98 mm *32 6 26 8 10 12 14 16 18 20 22 24 4 mm 10 mm 28 30 98 mm 4 mm 4 6 8 10 12 14 16 18 20 8 mm 70 mm 4 5 6 7 8 9 10 11 12 6 mm 80 mm 5 mm I I I I I I I I I 1590 CONTACT INFORMATION For more information please call +44 1530 261 145 or send an email to sales@atagarryson.com STEP DRILLS CBN GROUND · 2 CUTTING SPIRAL-FLUTED WITH SPLIT POINT Maximum cutting depth 4 mm Maximum cutting depth 4 mm Maximum cutting depth 5 mm Maximum cutting depth 4 mm Maximum cutting depth 4 mm Maximum cutting depth 5 mm STEP DRILL SETS Content Art. 20 1447 20 1448 20 1449 EMPTY SET Content Art. 20 1447U 20 1448U 20 1449U 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 More article see page 631 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. *Step 32 is for deburring of step 30 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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