JWWINCO 617-8-M16X1.5-AK GN617-8-M16X1.5-AK Indexing Plunger with Nylon Knob and Lock Nut, Non Locking Type, Steel, Thread:M16 Length:69mm Information GN 617 indexing plungers are standard units for a wide range of indexing mechanisms. Type G or GK with threaded plunger end are for applications where a special knob to customer's request or own design is required, or for such cases where the spindle is linked directly to an operating mechanism. Specification Threaded body Steel black oxide finish Plunger pin Steel hardened Knob glass fiber reinforced nylon plastic temperature resistant up to 230° F (110° C) Matte black not removable Lock nut Inch size Steel black oxide finish, ANSI/ASME B18.2.2 Metric size Steel black oxide finish, DIN 439/ISO 4035