
Multi-Drill Series Selection Guide According to Drill Types / Applications Application General Special Insert Type Drills Replaceable Head Type Drills ”Multi-Function” Types Indexable Drills WDX Type SMD Type PDL & PCT High Efficiency and Plunge Drills and Deep Holes Plunge Mills øD : 13,0 ~ 65,0mm øD : 12,0~ 42,5mm øD : 16,0 ~ 40,0mm L/D: 2, 3, 4, 5 a K64 ~ 73 L/D: 3, 5, 8 a K55 ~ 63 L/D: 2, 3, 5 a K74 ~ 76 Application Deep Hole Very Small Hole Precision Hole ”Super Long Multi-Drill” ”Long Micro Drill” AURORA-Coat Drill MDW…XHGS/XHTA Type MLDH… P/L Type MDW…NHGS Type New General Purpose For Aluminium Alloy ”P” type for pilot hole Deep Hole Drill Special Purpose Drills øD :4,0 ~ 12,0mm a K36 ~ 39 øD : 0,8 ~ 2,0mm a K42 ~ 43 øD : 3,0 ~ 16,0mm a K40 ~ 41 L/D: 10/15/20/25/30 L/D: 5/12/20/30 L/D: 3 / 5 / 10 ”Mini-MultiDrill” ”SUMI-DIA” coaed Drill MDSS Type MDS…SDC Type For Aluminium & CFRP* — CFRP* (Carbon FibreReinforced Plastic) øD : 0,20 ~ 1,00mm a K44 øD : 2 ~ 10mm a K45 L/D: 10 L/D: ~ 3 ”Micro Drill” MDUS Type For Printed Circuit Boards High precision holes — — Multi-Drills øD : 0,05 ~ 0,19mm a K44 L/D: ~ 8 Recommended Cutting Conditions by Work Materials Work Drill Steel Stainless Steel Cast Iron Non-ferrous Metalls 50InnnnnnnI120 50InnnnI90 50InnnnnnI100 100InnnnnnnnI180 SMD (ø20) 0,12 I–––––––––––I 0,35 0,1I––––––––I0,25 0,45 0,2I–––––––––– 0,4 0,2I–––––––––– 100InnnnnnnnnnI220 80InnnnnnnnnI180 120InnnnnnnI200 100InnnnnnnnnI200 WDX (ø18) 0,15 I–––––––I 0,25 0,06 I––––––I 0,18 0,1I––––––––––––I 0,32 0,1I––––––––I 0,25 80I nnnnn I120 30InnnI60 50Innnnnn I90 80InnnnnnnnI160 MDW…XHT (ø5) 0,15 I–––––––––I0,25 0,08I––––––I0,15 0,15I––––––––I0,3 0,12 I–––––––––––I 0,35 InnnnnnnnI Cutting speed v c (m/min) I––––––I Feed f (mm/rev) K5