B18 Thread Rolling Attachment Parts PN 200U554, Complete Attachment PN 8200160, Head Body PN 8177600A, #1 Solid Arm (incl. bearing) PN 8177590A, #2 Solid Arm (incl. bearing) PN 8199930A, #1 Geared Arm (incl. spacer & bearing) PN 8199940A, #2 Geared Arm (incl. spacer & bearing) PN 8164780, Arm Clamping Nut PN 81XXXX0, Roll Pin – carbide / bronze PN 8165160, Cover Plate PN 8165020, Matching Adj. Screw PN 8172080, Compensator Spring PN 8164960, Compensator Block PN 8164940, Drive Gear PN 8164950, Intermediate Gear PN 8164910, Gear Stud PN 8164890, Arm Pivot Shaft PN 8164930, Large Idler Gear PN 8165060, Idler Gear Bearing PN 8165030, #1 Chip Guard PN 8165040, #2 Chip Guard PN 8164950, Compensator Gear PN 8XXXXXX, Thrust Bearing (anti-friction) / (carbide)–optional PN 9094453, Locking Screw PN 8025501, Spanner Wrench PN item-1672, Hex Wrenches (each) PN 8416050, Arm Adjusting Screw PN 8416052, Arm Locking Screw PN 8178860, Bronze Thrust Bushing PN 8199951, #1 Roll Gap Spacer — 1 notch PN 8199952, #2 Roll Gap Spacer — 2 notches PN 001U60, Micrometer Setting Gage PN 8191580, Max. Modified Solid Arm #1 PN 8191590, Max. Modified Solid Arm #2 PN item-1681, Thread Rolling Attach. Handbook PN item-1682, Adapters