Machinable Hubs | McMaster-Carr

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57 Products

Machinable Shaft Ends

One side is unfinished for milling custom pulleys, threaded hubs, sprockets, collars, knobs, sensor targets, or just about anything imaginable; the other side is a one-piece clamping coupling for mounting whatever you’ve created to your shaft. Slide these ends onto your shaft and tighten the clamping screws for a secure hold that won’t damage your shaft.

Straight End


For Keyed Shafts	For Round Shafts

1215 Carbon Steel—Carbon steel ends are easier to machine than stainless steel. They have a black-oxide finish that adds a layer of rust resistance but should be used in primarily dry environments.

303 Stainless Steel—Stainless steel ends provide the most corrosion resistance but are more difficult to machine than steel.

For Keyed Shafts—Ends for keyed shafts have keyways that firmly grip the shaft’s key to eliminate slipping. They handle higher torque than ends for round shafts.

	For Shaft Dia.	Overall Lg.	OD	For Rotary Motion		Each
Black-Oxide 1215 Carbon Steel







				For Keyed Shafts

				1/2"	2 3/4"	1 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N75	000000


				5/8"	3 1/4"	1 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N76	00000
				3/4"	4 1/4"	1 3/4"	Continuous, Forward/Reverse, Start/Stop	3463N77	00000
				7/8"	4 3/8"	1 7/8"	Continuous, Forward/Reverse, Start/Stop	3463N78	00000
				1"	4 3/4"	2"	Continuous, Forward/Reverse, Start/Stop	3463N79	00000
				1 1/8"	4 3/4"	2 1/8"	Continuous, Forward/Reverse, Start/Stop	3463N81	00000
				1 1/4"	5"	2 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N82	000000
				1 3/8"	5"	2 3/8"	Continuous, Forward/Reverse, Start/Stop	3463N83	000000
				1 1/2"	5 3/8"	2 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N84	000000
				1 3/4"	6"	3"	Continuous, Forward/Reverse, Start/Stop	3463N85	000000
				2"	6 3/4"	3 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N86	000000




						For Round Shafts

						1/2"	2 3/4"	1 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N51	00000


						5/8"	3 1/4"	1 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N52	00000
						3/4"	4 1/4"	1 3/4"	Continuous, Forward/Reverse, Start/Stop	3463N53	00000
						7/8"	4 3/8"	1 7/8"	Continuous, Forward/Reverse, Start/Stop	3463N54	00000
						1"	4 3/4"	2"	Continuous, Forward/Reverse, Start/Stop	3463N55	00000
						1 1/8"	4 3/4"	2 1/8"	Continuous, Forward/Reverse, Start/Stop	3463N56	00000
						1 1/4"	5"	2 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N57	00000
						1 3/8"	5"	2 3/8"	Continuous, Forward/Reverse, Start/Stop	3463N58	00000
						1 1/2"	5 3/8"	2 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N59	00000
						1 3/4"	6"	3"	Continuous, Forward/Reverse, Start/Stop	3463N61	000000
						2"	6 3/4"	3 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N62	000000


						303 Stainless Steel







										For Keyed Shafts

										1/2"	2 3/4"	1 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N87	00000


										5/8"	3 1/4"	1 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N88	00000
										3/4"	4 1/4"	1 3/4"	Continuous, Forward/Reverse, Start/Stop	3463N89	000000
										7/8"	4 3/8"	1 7/8"	Continuous, Forward/Reverse, Start/Stop	3463N91	000000
										1"	4 3/4"	2"	Continuous, Forward/Reverse, Start/Stop	3463N92	000000
										1 1/8"	4 3/4"	2 1/8"	Continuous, Forward/Reverse, Start/Stop	3463N93	000000
										1 1/4"	5"	2 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N94	000000
										1 3/8"	5"	2 3/8"	Continuous, Forward/Reverse, Start/Stop	3463N95	000000
										1 1/2"	5 3/8"	2 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N96	000000
1 3/4"										6"	3"	Continuous, Forward/Reverse, Start/Stop	3463N97	000000
2"	6 3/4"									3 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N98	000000




		For Round Shafts

		1/2"	2 3/4"							1 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N63	00000


		5/8"	3 1/4"							1 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N64	00000
		3/4"	4 1/4"							1 3/4"	Continuous, Forward/Reverse, Start/Stop	3463N65	00000
		7/8"	4 3/8"							1 7/8"	Continuous, Forward/Reverse, Start/Stop	3463N66	00000
		1"	4 3/4"							2"	Continuous, Forward/Reverse, Start/Stop	3463N67	000000
		1 1/8"	4 3/4"							2 1/8"	Continuous, Forward/Reverse, Start/Stop	3463N68	00000
		1 1/4"	5"							2 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N69	000000
		1 3/8"	5"							2 3/8"	Continuous, Forward/Reverse, Start/Stop	3463N71	000000
		1 1/2"	5 3/8"							2 1/2"	Continuous, Forward/Reverse, Start/Stop	3463N72	000000
		1 3/4"	6"							3"	Continuous, Forward/Reverse, Start/Stop	3463N73	000000
		2"	6 3/4"							3 1/4"	Continuous, Forward/Reverse, Start/Stop	3463N74	000000

Flanged End


For Keyed Shafts	For Round Shafts

Use flanged ends to make objects with larger ODs than straight ends, or add mounting holes to create a custom mounting flange for connecting components.

1117 Carbon Steel—Carbon steel ends are easier to machine than stainless steel. They have a black-oxide finish that adds a layer of rust resistance but should be used in primarily dry environments.

303 Stainless Steel—Stainless steel ends provide the most corrosion resistance but are more difficult to machine than steel.

For Keyed Shafts—Ends for keyed shafts have keyways that firmly grip the shaft’s key to eliminate slipping. They handle higher torque than ends for round shafts.

	Flange OD	For Rotary Motion		Each
Black-Oxide 1117 Carbon Steel







	For Keyed Shafts

	1/2"	1 11/16"	1 1/4"	2 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N31	000000


	3/4"	2 1/16"	1 3/4"	2 63/64"	Continuous, Forward/Reverse, Start/Stop	3463N32	000000
	1"	2 1/4"	2"	3 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N33	000000




			For Round Shafts

			1/2"	1 11/16"	1 1/4"	2 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N11	00000


			3/4"	2 1/16"	1 3/4"	2 63/64"	Continuous, Forward/Reverse, Start/Stop	3463N12	00000
			1"	2 1/4"	2"	3 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N13	00000


			303 Stainless Steel







							For Keyed Shafts

							1/2"	1 11/16"	1 1/4"	2 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N41	000000


							3/4"	2 1/16"	1 3/4"	2 63/64"	Continuous, Forward/Reverse, Start/Stop	3463N42	000000
							1"	2 1/4"	2"	3 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N43	000000




									For Round Shafts

									1/2"	1 11/16"	1 1/4"	2 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N21	00000


									3/4"	2 1/16"	1 3/4"	2 63/64"	Continuous, Forward/Reverse, Start/Stop	3463N22	000000
									1"	2 1/4"	2"	3 15/64"	Continuous, Forward/Reverse, Start/Stop	3463N23	000000

Split-Tapered Bushings

304 Stainless Steel

The tapered barrel on these bushings is split on both sides, allowing them to contract more tightly around the shaft than quick-disconnect and taper-lock bushings. They're for use with split-tapered sprockets and pulleys of the same bushing trade number. As you tighten the included screws, the bushing grips the shaft and pulls it into the sprocket or pulley.

304 Stainless Steel—304 stainless steel bushings are often used in food-processing plants and other frequently-cleaned areas because washdowns and humidity won’t corrode them. They have a pilot hole instead of a finished keyway, so you can bore them to the exact dimensions of your shaft.

	Fastener Tightening Torque, in·lbf		Each
304 Stainless Steel







	Bushing Trade Number H with Clamping Screws

	3/8" to 1 1/2"	1 1/4"	3°	95	9859T729	0000000