.. .. 1 0,004 0,006 0,02 0,03 0,04 0,04 0,05 0,06 0,08 0,08 0,09 0,1 0,12 0,15 0,18 0,19 2 0,006 0,008 0,02 0,03 0,05 0,05 0,05 0,08 0,1 0,1 0,1 0,12 0,12 0,2 0,2 0,2 3 0,007 0,012 0,03 0,05 0,06 0,069 0,08 0,1 0,12 0,13 0,13 0,16 0,16 0,25 0,25 0,25 4 0,008 0,014 0,04 0,06 0,08 0,09 0,1 0,14 0,16 0,16 0,16 0,2 0,2 0,3 0,3 0,3 5 0,01 0,016 0,06 0,08 0,1 0,12 0,13 0,16 0,2 0,2 0,22 0,25 0,25 0,4 0,4 0,4 6 0,012 0,018 0,06 0,1 0,12 0,14 0,16 0,2 0,25 0,25 0,25 0,3 0,3 0,5 0,5 0,5 7 0,014 0,02 0,08 0,13 0,16 0,18 0,2 0,25 0,35 0,35 0,35 0,4 0,4 0,6 0,6 0,6 8 0,016 0,023 0,1 0,16 0,2 0,2 0,25 0,35 0,4 0,4 0,4 0,4 0,5 0,6 0,7 0,8 9 0,019 0,025 0,13 0,17 0,2 0,23 0,32 0,4 0,4 0,5 0,5 0,5 0,6 0,8 0,9 0,9 80 12.500 10.000 8.000 6.300 5.000 4.000 3.200 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 63 10.000 8.000 6.300 5.000 4.000 3.200 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 250 50 8.000 6.300 5.000 4.000 3.200 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 250 200 40 6.300 5.000 4.000 3.200 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 250 200 160 32 5.000 4.000 3.200 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 250 200 160 125 25 4.000 3.200 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 250 200 160 125 100 20 3.200 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 250 200 160 125 100 80 16 2.500 2.000 1.600 1.250 1.000 800 630 500 400 320 250 200 160 125 100 80 63 12 2.000 1.600 1.250 1.000 800 630 500 400 320 250 200 160 125 100 80 63 50 10 1.600 1.250 1.000 800 630 500 400 320 250 200 160 125 100 80 63 50 40 8 1.250 1.000 800 630 500 400 320 250 200 160 125 100 80 63 50 40 32 6 1.000 800 630 500 400 320 250 200 160 125 100 80 63 50 40 32 25 5 800 630 500 400 320 250 200 160 125 100 80 63 50 40 32 25 20 4 630 500 400 320 250 200 160 125 100 80 63 50 40 32 25 20 16 3 500 400 320 250 200 160 125 100 80 63 50 40 32 25 20 16 12 Factor F Drill diameter in mm 0,5 1 2 3 4 5 6 8 10 12 14 16 18 20 26 30 Feed rate f in mm/rev. vc (m/min) Drill diameter in mm 2,0 2,5 3,15 4,0 5,0 6,3 8,0 10,0 12,5 16,0 20,0 25,0 31,5 40,0 50,0 63,0 80,0 Speed in U/min Peck frequency for deep drilling ▲ Cutting edge needs to be sufficiently cooled; this is achieved by removing chips from the hole ▲ Chip removal frequency depends on the material to be machined, the hole depth and the drill type used ▲ Using a drill with a flat flute profile (WTL) significantly improves chip transport, which makes it possible to reduce the number of chip removal processes ▲ When drilling into tough materials and materials that tend to jam, chips should be removed for hole depths ≥ 4xD and the cutting speed vc reduced as follows: by 10% for hole depths > 4xD, by 15-20% for hole depths > 6xD. It is also recommended to cool using emulsion. ▲ In the case of deep holes and to improve the positional accuracy, it is recommended to bore a pilot/centring hole. ▲ Drills with coolant holes and a thro’ coolant supply are recommended for extremely deep holes or horizontal drilling applications Type UNI Type WTL Type N Feed rate guide values for HSS twist drills Speed for HSS drills All the indicated data are guide values only and represent average values. HSS drilling Cutting Data
Tooling a Sustainable Future
eCatalog 2026 - EN-INT
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