Boring WFHF DMINCoolant hole Fig. WF 2.38 (Edge height)BH RE WF2 WFHF BH Solid tip bars for micro boring Twin Bar TWB (Micro boring) 16 10° 5° 10° 5° 30° 3 Right-hand shown F TWB dimensions Dimension (mm) Carbide Description DMIN WF WF2 RE RE (+/-) min. RE (+/-) max. PVD(mm)PR1535PR1025 Applicable toolholder TWBR 01003-005 1 0.85 0.2 0.05 -0.02 0 N N TWBR 01503-00501503-010 1.5 1.3 0.2 0.05 -0.020.1-0.03 0 NN NN TWBR 02003-00502003-010 2 1.75 0.25 0.050.1 -0.02-0.03 0 NN NN STWS-STW TWBR 02503-00502503-010 2.5 2.1 0.3 0.05 -0.020.1-0.03 0 NN N TWBR 03003-00503003-010 3 2.4 0.4 0.05 -0.020.1-0.03 0 NN NN STW (Micro boring) LU LU LF LH LF Fig. 1 Fig. 2 Right-hand shown | Right-hand Insert for Right-hand Toolholder. (For Left-hand toolholders for grooving, please see page G85.) Toolholder dimensions Spare parts Availa-bility Dimension (mm) Clamp screw Wrench Description Applicable inserts R H B LH HF LF LU WF STWR 1212F-15 N 85 12 12 12 12 1212K-15 N 1 1616K-15 N 16 16 16 125 3 16 No SB-3080TR LTW-10S TWBR... 2020K-15 N 20 20 20 25 25 2 2525M-15 N 25 25 25 150 32 N : Standard item R : Right hand only L : Left hand only U : Check availability Recommended cutting conditions: F122 - F124 F18