
HSK40A Shank Tools HSK40A Shank Tools Shrink Fit Toolholders General Purpose (GP) (TT GP HPV Form A continued) Cutting Tool Shank Requirements inch (industry standard) cutting tool shank diameter tolerance 1/4, 5/16, & 3/8 -.0001/-.0004 1/2, 9/16, & 5/8 .0000/-.0004 3/4 .0000/-.0005 TT GP HPV In-HSK Form A stop wrench size order number catalog number D1 D2 D21 L1 L2 L9 V screw stop screw lbs 3864029 HSK40AHPVTT025315 1/4 .83 1.06 3.15 2.36 1.02 .39 TTSS05014M 2,5mm .89 3864031 HSK40AHPVTT031315 5/16 .83 1.06 3.15 2.36 1.02 .39 TTSS06014M 3mm .87 3864032 HSK40AHPVTT038315 3/8 .94 1.26 3.15 2.36 1.22 .39 TTSS08014M 4mm 1.01 3864073 HSK40AHPVTT050354 1/2 .94 1.26 3.54 2.76 1.42 .39 TTSS10014M 5mm 1.09 3864074 HSK40AHPVTT056354 9/16 1.06 1.32 3.54 2.76 1.42 .39 TTSS10014M 5mm 1.21 3864075 HSK40AHPVTT062354 5/8 1.06 1.32 3.54 2.76 1.54 .39 TTSS12014M 6mm 1.16 3864076 HSK40AHPVTT075374 3/4 1.30 1.61 3.74 3.74 1.61 .39 TTSS16014M 8mm 1.49 NOTE: Do not overheat. Overheating will destroy the accuracy and functionality of the toolholder. Shrink Fit technical section, see page K56. Supplied with stop screw. Adjusting stop screw gage, see page K59. Shrink Fit accessories, see page J2. Optional M6~1.0P x 5 lg fine-balancing screw set (10 pieces) is available. Order number is MS1276PKG and must be ordered separately. HSK coolant unit and wrench are available and must be ordered separately; see page J32. WWW.WIDIA.COM B27