JET GH-1860ZX Large Spindle Bore Geared Head Lathe with Newall DP700 DRO Taper Attachment & Collet Closer Trim-Head Screw - 6-Lobe Drive They are part of the

They are part of the complete Deck-Drive DCU Hidden Deck-Fastening System

making the connection look more finished while still delivering heavy-duty structural performance

22 diametral pitch threads

Color: Azek - Slate Gray

JET GH-1860ZX Large Spindle Bore Geared Head Lathe with Newall DP700 DRO Taper Attachment & Collet Closer Trim-Head Screw - 6-Lobe Drive They are part of theThe JET GH 1860ZX Large Spindle Bore Lathe with Newall DP700 DRO, Taper Attachment, and Collet Closer is a heavy duty geared head lathe engineered for metal shops demanding power, precision, and long term reliability. Built around a one piece cast iron base that absorbs vibrations for heavier cuts and greater accuracy, the ZX Series features a Universal Gearbox that eliminates the need to change gears manually. With an industry leading 3 1 8 in.