Hardened

Series	Name	Description
*BHM*	*Bearhug*	The BEARHUG made of alloy steel hardened for heavy duty applications.
*BMM*	*Bearhug*	The BEARHUG with ISO metric threads and made of hardened alloy steel for heavy duty applications in the same configuration as the BM series.
*HTW*	*Hardened Tongued Washers*	Hardened washers with key at inner bore, the key of which limits the radial movement on a keyed shaft and the hardening of which protects soft lockwashers. Very useful as a spacer in assemblies and protection against heavy rotational thrust loads.
*KMM*	*Retaining Nut*	Retaining nuts of same configuration as the KM, but of hardened alloy steel. As good a load carrying capacity as KMH, but better interchangeability.
*MS-172236-59*	*Retaining Nut*	Retaining nuts designed for aeronautical requirements, made of hardened alloy steel, and used in applications where a hardened retaining nut is desirable for increased load capacity yet reduced size in the assembly.
*MS172201-23*	*Lockwasher*	Hardened lockwasher for use with the MS172236-MS172258 series retaining nuts.
*NSH*	*Shoelok*	The SHOELOK are precise adjustable threaded retaining devices for holding bearings and other power transmission components on shafts and spindles where clearance is available radially to secure the locking components.
*NSHM*	*Shoelok*	The SHOELOK made with ISO Metric threads made to closer tolerances as are all metric Whittet-Higgins products.

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