DRA insert (FTP-H - steel beam drilling) Drilling diameter ø14.00 ~ ø26.00 Uncut area remains in blind hole due to chamfer on the shoulder part DC DC 2 0.25 15° (Chamfer Height) Note Applicable to 1.5D ,3D ,5D and 8D holders, Prepared hole (0.5 x DC) is needed when using 8D holder Insert Description DA1400M-FTP-H Dimensions (mm) DC DC 2 PL Grade PR1535 14 4.20 0.60 DA1600M-FTP-H 16 4.60 0.70 DA1800M-FTP-H 18 5.00 0.80 DA2000M-FTP-H 20 5.70 0.90 DA2100M-FTP-H 21 6.00 0.95 DA2200M-FTP-H 22 6.40 1.00 DA2400M-FTP-H 24 6.80 1.10 DA2600M-FTP-H 26 7.00 1.20 Please note that the insert DA2600M-FTP-H should be mounted on toolholder size S.-DRA250M- type only. 1st recommendation Steel / PR1535 Applicable toolholder SS16-DRA140M- SF16-DRA140M- SS18-DRA160M- SF20-DRA160M- SS20-DRA180M- SF25-DRA180M- SS25-DRA200M- SF25-DRA200M- SS25-DRA210M- SF25-DRA210M- SS25-DRA220M- SF25-DRA220M- SS25-DRA240M- SF25-DRA240M- SF25-DRA250M- SS32-DRA250M- Inserts sold in 1 piece boxes : Available Case Study Structure part S355 Vc = 80 m/min (n = 979 min -1 ), f = 0.2 mm/rev (Vf = 196 mm/min), Drilling depth 15 mm, through-hole Coolant = Oil mist lubrication SF25-DRA250M-3 DA2600M-XFTP PR1535 Competitor K: ø26-3D FTP-H acchieved tool life of 45 m without any problem. Shortened process time. Good chip control. 2 PL k8 tolerance DC 14.00 ~ 18.00 k8(mm) +0.027 0 20.00 ~ 26.00 +0.033 0 k8 is the dimension tolerance of the insert It is not the tolerance of the cutting diameter Full lineup
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