BTKV50 Shank Tools BTKV50 Shank Tools Shrink Fit Toolholders General Purpose (GP) (TT GP HPV BTKV Form B/AD continued) Cutting Tool Shank Requirements inch (industry standard) cutting tool shank diameters tolerance 1/4, 5/16, & 3/8 -.0001/-.0004 7/16, 1/2, & 5/8 .0000/-.0004 3/4, 7/8, 1, & 1-1/4 .0000/-.0005 TT GP HPV In-BTKV Form B/AD stop wrench size order number catalog number D1 D2 D21 L1 L1FC L2 L9 V screw stop screw lbs 3859981 BTKV50BHPVTT025400 1/4 .83 1.06 4.00 3.94 2.50 1.02 .39 TTSS05014M 2,5mm 8.23 3859982 BTKV50BHPVTT031400 5/16 .83 1.06 4.00 3.94 2.50 1.02 .39 TTSS06014M 3mm 8.21 3860033 BTKV50BHPVTT038400 3/8 .94 1.26 4.00 3.94 2.50 1.22 .39 TTSS08014M 4mm 8.36 3860034 BTKV50BHPVTT044400 7/16 .94 1.26 4.00 3.94 2.50 1.42 .39 TTSS10014M 5mm 8.33 3860035 BTKV50BHPVTT050400 1/2 .94 1.26 4.00 3.94 2.50 1.42 .39 TTSS10014M 5mm 8.31 3860036 BTKV50BHPVTT062400 5/8 1.06 1.33 4.00 3.94 2.50 1.54 .39 TTSS12014M 6mm 8.38 3860037 BTKV50BHPVTT075400 3/4 1.30 1.61 4.00 3.94 2.50 1.61 .39 TTSS16014M 8mm 8.66 3860038 BTKV50BHPVTT088400 7/8 1.30 1.61 4.00 3.94 2.50 1.61 .39 TTSS16014M 8mm 8.60 3860039 BTKV50BHPVTT100400 1 1.73 2.05 4.00 3.94 2.50 1.85 .39 TTSS16014M 8mm 9.27 3860040 BTKV50BHPVTT125400 1 1/4 1.73 2.05 4.00 3.94 2.50 2.01 .39 TTSS16014M 8mm 8.95 NOTE: Do not overheat. Overheating will destroy the accuracy and functionality of the toolholder. Supplied with stop screw. Adjusting stop screw gage, see page K59. Optional M6~1.0P x 5mm lg fine-balancing screw set (10 pieces) is available. Order number is MS1276PKG and must be ordered separately. For retention knobs, see page J33. WWW.WIDIA.COM C23