Threading Laydown Threading Boring Bars See page F42 for inserts. OVR insert Torx order number catalogue number size D D min D2 F L1 L2 aF° aP° screw driver Torx right hand 2012325 OVR122R 2 12 13 10 7 100 25 -15,0° -0,5 12147789100 12148001100 T8 2022345 OVR152R 2 15 16 13 9 100 32 -15,0° -0,5 12147789100 12148001100 T8 NOTE: WIDIA™ miniature holders are for use on automatic machines as used in the optical and precision mechanics industries. The shank dimensions correspond to conventional hardmetal or HSS tools. Holders with round or square shanks are available. An internal RH tool can also be used for external LH threads in the same way an internal LH tool can be used for external RH threads. Please use correct inserts. The inclination angle on this tool is 0,5°. Tools are always clamped with the shank parallel to the part. widia.com F75