一、简介：
Whittet-Higgins HTW Hardened Tongued Washers硬化舌垫圈，内孔有键的硬化垫圈，其键限制了键轴上的径向运动，其硬化保护软锁垫圈。非常有用，可以作为组件中的垫片，并防止沉重的旋转推力负载。
二、选型表：

Identification	Bore (inches)	Outside Dia (inches)	Thickness (inches)
HTW-00	0.406	0.798	0.125
HTW-01	0.484	0.923	0.125
HTW-02	0.601	1.173	0.125
HTW-03	0.679	1.173	0.125
HTW-04	0.801	1.423	0.125
HTW-05	0.989	1.860	0.125
HTW-06	1.193	1.860	0.125
HTW-07	1.396	2.173	0.125
HTW-08	1.583	2.735	0.178
HTW-09	1.792	2.735	0.178
HTW-10	1.992	3.235	0.178
HTW-11	2.182	3.235	0.178
HTW-12	2.400	3.735	0.178
HTW-13	2.588	3.735	0.178
HTW-14	2.791	3.735	0.178
HTW-15	2.973	4.173	0.178
HTW-16	3.177	4.173	0.178
HTW-17	3.395	4.610	0.178
HTW-18	3.582	5.110	0.178
HTW-19	3.800	5.110	0.178
HTW-20	3.988	5.610	0.178
HTW-21	4.192	5.610	0.178
HTW-22	4.395	6.110	0.360
HTW-24	4.801	6.735	0.360
HTW-26	5.191	7.485	0.360
HTW-28	5.582	7.485	0.360
HTW-30	5.983	7.985	0.360
HTW-32	6.389	8.485	0.360
HTW-34	6.764	8.985	0.360
HTW-36	7.171	9.235	0.360
HTW-38	7.577	9.735	0.360
HTW-40	7.982	10.110	0.360