CAT Shank Tools Catalog Numbering System How Do Catalog Numbers Work? Each character in our catalog number signifies a specific trait of that product. Use the following key columns and corresponding images to easily identify which attributes apply. CV40BTG50M100 CV 40 B TG 50 M 100 CAT Shank Special Feature Toolholder Toolholder Special Tool Shank Taper (optional) Style Size Feature Length Style Size ANSI 40 = 40 B = (Gage line on B5.50 DIN form B coolant feature, taper to front 50 = 50 tool shipped to AD specifications of tool) (design allows conversion to form B style) inch Z = xxx = x.xx Deviates from ANSI — B5.50 standard — no hub in front of V flange (blank) = (no “B” or “Z”) — tool built to DIN form A/AD coolant style CH = M = Coolant form AD — high pressure previous 2/3 numbers are metric HPV =High performance and balanceable values (this is an exception wherethere is a metric bore on an inchshank style) TD = Tunable TG = Collet series xx (50), xxx (100) EM = I.D. size: metric — xx = xx, (20); inch — xxx = x.xx, (075) SM = O.D. size: metric — xx = xx, (20); inch — xxx = x.xx, (075) BB = Bar blank MT = Morse taper adapter SWN = Whistle Notch™ 2° — short — (not to DIN standard) DA = Double-angle collet chuck RC = Rapid Change — T&C tapping adapter chuck TA = Tap chuck adapter DC = Drill chuck RFX = ROTAFLEX™ boring adapters TCRC = Rapid Change — T&C tapping EM = End mill adapter adapter chuck SA = Slotting cutter adapter ER = DIN 6499 single-angle collet chuck TG = Tremendous Grip single-angle collet chuck SER = DIN 6499 single-angle collet chuck — HC = Hydraulic chuck — Standard Line short with internal locknut TGF = Tremendous Grip single-angle HCB = Hydraulic chuck — Basic Line SM2C = Shell mill adapter with coolant collet chuck — flush face HCSL = Hydraulic chuck — Slim Line and small diameter TT = Shrink Fit thermo toolholder HCSLT = Hydraulic chuck — Slim Line — Trend SMC = Shell mill adapter with coolant TTHT = Shrink Fit thermo toolholder — high torque HCT = Hydraulic chuck — Trend Line SS = Adapter for straight shanks (drills) WD = Whistle Notch with drive HPMC = Bearing milling chuck — high performance SSF = Adapter for straight shankswith flat (drills)WNA = Whistle Notch — NAS 5° inch HSK = HSK adapter WN = Whistle Notch (2° metric; 5° inch)ST=Screw-on adapters JT = Jacobs taper adapter STRC = Rapid Change — solid tapping KM = KM™ adapter adapter chuck WWW.WIDIA.COM E3