Hand knob available in cast iron or aluminum Screw has black oxide finish Screw is pressed and held in place with a spring pin

Cast Iron Part #	Aluminum Part #	A Thread	B	C	D
HKS-2510	HKS-2510A	1/4-20	1	1-1/2	7/8
HKS-2515	HKS-2515A		1/1/2
HKS-2517	HKS-2517A		1-3/4
HKS-2520	HKS-2520A		2
HKS-2530	HKS-2530A		3
HKS-3117	HKS-3117A	5/16-18	1-3/4	2	7/8
HKS-3125	HKS-3125A		2-1/2
HKS-3130	HKS-3130A		3
HKS-3712	HKS-3712A	3/8-16	1-1/4
HKS-3717	HKS-3717A		1-3/4
HKS-3720	HKS-3720A		2
HKS-3725	HKS-3725A		2-1/2
HKS-3730	HKS-3730A		3
HKS-5015	HKS-5015A	1/2-13	1-1/2	2-1/2	1-1/2
HKS-5017	HKS-5017A		1-3/4
HKS-5020	HKS-5020A		2
HKS-5025	HKS-5025A		2-1/2
HKS-5030	HKS-5030A		3
HKS-6217	HKS-6217A	5/8-11	1-3/4
HKS-6225	HKS-6225A		2-1/2
HKS-6230	HKS-6230A		3
HKS-6235	HKS-6235A		3-1/2
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