CAT Shank Tools

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

CV40BTG50M100
CATShankSpecial FeatureToolholderToolholderSpecialTool
ShankTaper(optional)StyleSizeFeatureLength

Style Size

ANSI 40 = 40 B =

B5.50 DIN form B coolant feature, 50 = 50 tool shipped to AD specifications (design allows conversion to form B style) Z =

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 = Coolant form AD — high pressure HPV = High performance and balanceable TD = Tunable

(Gage line on taper to front of tool) inch xxx = x.xx

M = previous 2/3 numbers are metric values (this is an exception where there is a metric bore on an inch shank style)

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 blankMT= Morse taper adapterSWN= Whistle Notch™ 2° — short
— (not to DIN standard)
DA= Double-angle collet chuckRC= Rapid Change — T&C tapping
adapter chuck TA= Tap chuck adapter
DC= Drill chuck
RFX= ROTAFLEX™ boring adaptersTCRC= Rapid Change — T&C tapping
EM= End mill adapteradapter chuck
SA= Slotting cutter adapter
ER= DIN 6499 single-angle collet chuckTG= Tremendous Grip single-angle collet chuck
SER= DIN 6499 single-angle collet chuck —
HC= Hydraulic chuck — Standard Lineshort with internal locknut TGF= Tremendous Grip single-angle
collet chuck — flush face
HCB= Hydraulic chuck — Basic LineSM2C = Shell mill adapter with coolant
and small diameter TT= Shrink Fit thermo toolholder
HCSL= Hydraulic chuck — Slim Line
SMC= Shell mill adapter with coolantTTHT= Shrink Fit thermo toolholder — high torque
HCSLT = Hydraulic chuck — Slim Line — Trend
SS= Adapter for straight shanks (drills)WD= Whistle Notch with drive
HCT= Hydraulic chuck — Trend Line
SSF= Adapter for straight shanksWNA= Whistle Notch — NAS 5° inch
HPMC = Bearing milling chuck — high performancewith flat (drills)
WN= Whistle Notch (2° metric; 5° inch)
HSK= HSK adapterST= Screw-on adapters
JT= Jacobs taper adapterSTRC= Rapid Change — solid tapping

adapter chuck KM = KM™ adapter