304040 - Shaft Clamp ( Threaded Collar), One piece, split, 1/2-10 acme right hand thread, five start, Black Delrin, with stainless steel hardware. Note: These Shaft clamps will not work with Single start threaded rod. This item is used to pre-load thrust bearings on CNC machines.
304036 - Shaft Clamp ( Threaded Collar), One piece, split, 1/2-10 acme right hand thread, single start, Black Delrin, with stainless steel hardware. This item is used to pre-load thrust bearings on CNC machines. The preload eliminates axis drift caused by changes of direction.
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