Threading Inserts R/LT**N/W I.C S d A Threading inserts 22 12.7 5.56 5.5 API American buttress thread Turning Me o 3 o o 90 10 External right hand Internal right hand Me=taper 3/4i.p.f-1°47'-1°47' for Ø 4 1/2-13 3/8" B Internal left hand 1 External left hand HC (PVD) 1 i.p.f--2°23' for Ø16" SEPC.5B.1979 HC (PVD)1 Tol.: API Std. ISO Pitch (T.P.i) External Internal YBG201 YBG205 YBG201 YBG205 Milling 22 5.00 RT22.01W-5BUT ż RT22.01N-5BUT ż ƔEx stockżOn demand HC1 Coated carbide Tool holders C SWR/L SNR/L Drilling A439 A441 D Information Technical E Index System code A412 Grade selection A411 Technical info A447 Cutting data A446 A 430