Solid Carbide Drills Application Data • TOP DRILL S™ • Cast Iron „TOP DRILL S • TDS212 • WK15PD™ • Flood Coolant • Metric Cutting Speed — vc Recommended Feed Rate (f) by Diameter Range — m/min Material Tool Diameter Group min – max (mm) 3,0 4,0 6,0 8,0 10,0 12,0 16,0 20,0 15, 16 70 – 170 mm/r 0,16–0,31 0,20–0,38 0,23–0,44 0,25–0,49 0,31–0,60 0,38–0,74 0,31–0,60 0,38–0,74 K 17, 18,1980 – 140 mm/r 0,16–0,25 0,20–0,31 0,23–0,36 0,25–0,40 0,31–0,48 0,38–0,60 0,31–0,48 0,38–0,60 20 70 – 130 mm/r 0,12–0,25 0,14–0,30 0,17–0,35 0,19–0,40 0,24–0,48 0,30–0,60 0,24–0,48 0,30–0,60 „TOP DRILL S • TDS411/TDS412/TDS413 • WK15PD • Through Coolant • Metric Cutting Speed — vc Recommended Feed Rate (f) by Diameter Range — m/min Material Tool Diameter Group min – max (mm) 3,0 4,0 6,0 8,0 10,0 12,0 16,0 20,0 15, 16 80 – 190 mm/r 0,11–0,22 0,12–0,24 0,16–0,31 0,20–0,38 0,23–0,44 0,25–0,49 0,31–0,60 0,38–0,74 K 17, 18,1990 – 170 mm/r 0,12–0,16 0,13–0,19 0,16–0,25 0,20–0,31 0,23–0,36 0,25–0,40 0,31–0,48 0,38–0,60 20 80 – 150 mm/r 0,08–0,17 0,09–0,19 0,12–0,25 0,14–0,30 0,17–0,35 0,19–0,40 0,24–0,48 0,30–0,60 Metric tolerance nominal size range D1 tolerance m7 D tolerance h6 >3–6 0,004/0,016 0,000/-0,008 >6–10 0,006/0,021 0,000/-0,009 >10–18 0,007/0,025 0,000/-0,011 >18–25,4 0,008/0,029 0,000/-0,013 widia.com T75 Solid Carbide Drills