Whittet Higgins PL-13 Precision Retaining Nut - Left Handed Threads Tap and Die Set The Whittet-Higgins SC-17 is a

The Whittet-Higgins SC-17 is a two-piece (split) shaft collar machined to inch dimensions

Two-sided file is rounded on one side and flat on the other

Constructed from durable carbon steel

simulates and measures pressure

Whittet Higgins PL-13 Precision Retaining Nut - Left Handed Threads Tap and Die Set The Whittet-Higgins SC-17 is aThe Whittet Higgins PL series is a left hand thread precision bearing locknut machined from carbon steel for securing, locking, and retaining bearings and power transmission components on a threaded shaft or sleeve. The left hand thread keeps clockwise rotating assemblies from backing off, while the locknut provides double the locking positions of a standard NL locknut for finer, more accurate adjustment. It is used together with the matching PW