Threading Inserts R/LT**N/W I.C S d A Threading inserts 16 22 9.525 12.7 3.97 5.56 4.4 5.5 ISO metric coarse thread 55° partial profile Turning 55o B External right hand Internal left hand Internal right hand External left hand 1 HC (PVD) HC1 (PVD) ISO Pitch (T.P.i) External Internal YBG201 YBG205 YBG201 YBG205 Milling 16 RT16.01W-A55 ż RT16.01N-A55 ż 0.50 - 1.50 16 LT16.01W-A55 Ɣ LT16.01N-A55 ż 16 RT16.01W-AG55 ż Ɣ RT16.01N-AG55 ż Ɣ 0.50 - 3.00 16 LT16.01W-AG55 ż LT16.01N-AG55 Ɣ C 16 16 RT16.01W-G55 LT16.01W-G55 ż Ɣ RT16.01N-G55 LT16.01N-G55 ż ż 1.75 - 3.00 16 RT16.01W-G55P* ż RT16.01N-G55P* ż 16 LT16.01W-G55P* Ɣ LT16.01N-G55P* Ɣ Drilling 22 3.50 - 5.00 RT22.01W-N55P* ż RT22.01N-N55P* ż ƔEx stockżOn demand HC1 Coated carbide P*: Inserts with chip-breakers Tool holders SWR/L SNR/L D A439-A440 A441-A442 Information Technical E Index System code A412 Grade selection A411 Technical info A447 Cutting data A446 A 416