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Solid Carbide Drills
Application Data • TOP DRILL G • Non-Ferrous Materials
™
TOP DRILL G • TDG532/TDG533/TDG534 • WN10HD ™ • Through Coolant • Metric
Cutting Speed
— vc
Recommended Feed Rate (f) by Diameter
Range — m/min
min – min Tool Diameter
(mm) 21 100 – 450 mm/r 0,16–0,25 0,19–0,29 0,23–0,35 0,27–0,42 0,31–0,50 0,36–0,57 0,44–0,69 0,52–0,82
22, 23, 24 100 – 300 mm/r 0,15–0,23 0,17–0,28 0,21–0,34 0,25–0,39 0,30–0,46 0,34–0,54 0,42–0,67 0,52–0,82
26 100 – 250 mm/r 0,16–0,28 0,15–0,32 0,19–0,36 0,23–0,40 0,25–0,44 0,28–0,48 0,32–0,56 0,35–0,63
Material
Group
N
3,0
4,0
6,0
8,0
10,0
12,0
16,0
20,0
Metric
tolerance
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
T139
Carbide
nominal size range