PRODUCT CODES DESCRIPTION Turning tool-holders VDI VDI . 40 – B1 . 25 . 44 DIN 69871 Characteristic data for different types of holders A1 - the dimensions of the cuboids ISO 60 A2 - diameter / lengths AL - height of the blade for parting & grooving AR - height of the blade for parting & grooving Bx - height of the tool shank / the distance from DESIGN the front of the turret VDI - DIN 69880 = ISO 10889-1 Cx - height of the tool shank MA S 403 BT Dx - height of the tool shank DC - max. diameter of tool shaft / the distance from the front of the turret E1 - diameter of drill shaft E2 - diameter of boring bars E3 - size of OZ collets DIN 2080 E4 - size of ER collets SIZE F1 - Morse taper size XX - shank dimension HC - diameter of tool shaft / the distance from the front of the turret QTCC - range of thread size QTCW - range of thread size HSK-A TA - diameter and length Z2 - variants Variant descriptions *.C - with coolant channels *.P - VDI plugs made from plastic VDI *.S - VDI plugs made from steel * - represents previous signs in product description TYPE A1 - blanks form A1 C3 - axial holders form C3 - upside-down MORSE A2 - blanks form A2 - right - short AL - parting-off holders form AL - left C4 - axial holders form C4 - upside-down - adjustable height - left - short AR - parting-off holders form AR - right D1 - multiple seats holders form D1 - adjustable height D2 - multiple seats holders form D2 - upside-down B1 - radial holders form B1 - right - short DC - drill chuck holders B2 - radial holders form B2 - left - short DC - drill chuck holders with coolant nozzles B3 - radial holders form B3 upside-down E1 - holders form E1 for drills with indexable inserts - right - short E2 - holders form E2 for boring bars B4 - radial holders form B4 upside-down E3 - collet chuck holders form E3 - oz collet - left - short E4 - collet chuck holders form E4 - er collet B5 - radial holders form B5 - right - long F1 - holders form F1 for morse taper B6 - radial holders form B6 - left - long HC - hydraulic chucks B7 - radial holders form B7 - upside-down QTCC - quick-change tapping chucks with - right - long compensation B8 - radial holders form B8 - upside-down QTCW - quick-change tapping chucks without - left - long compensation C1 - axial holders form C1 - right TA - test arbors C2 - axial holders form C2 - left Z2 - protection plugs form Z2 275