Keyed Shims | McMaster-Carr

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20 Products

Unthreaded Spacers for Keyed Shafts

Lock spacers in place on keyed shafts. Align the internal slot with the shaft key to prevent independent rotation. Also known as arbor spacers.

1045 Carbon Steel—Stronger than low-carbon steel alternatives to take on higher loads and withstand more impact. Best for dry environments since moisture will cause these spacers to rust.

	Notch Dp.		Each
1045 Carbon Steel







	1 1/2" OD

	1/4"	1.000"	1/4"	3/32"	30965A112	00000


	3/8"	1.000"	1/4"	3/32"	30965A212	0000
	1/2"	1.000"	1/4"	3/32"	30965A312	0000
	3/4"	1.000"	1/4"	3/32"	30965A412	0000
	1"	1.000"	1/4"	3/32"	30965A512	0000




			1 3/4" OD

			1/4"	1.250"	5/16"	1/8"	30965A113	0000


			3/8"	1.250"	5/16"	1/8"	30965A213	0000
			1/2"	1.250"	5/16"	1/8"	30965A313	0000
			3/4"	1.250"	5/16"	1/8"	30965A413	0000
			1"	1.250"	5/16"	1/8"	30965A513	00000




					2 1/8" OD

					1/4"	1.500"	3/8"	5/32"	30965A114	0000


					3/8"	1.500"	3/8"	5/32"	30965A214	0000
					1/2"	1.500"	3/8"	5/32"	30965A314	0000
					3/4"	1.500"	3/8"	5/32"	30965A414	00000
					1"	1.500"	3/8"	5/32"	30965A514	00000




							2 3/4" OD

							1/4"	2.000"	1/2"	3/16"	30965A115	00000


							3/8"	2.000"	1/2"	3/16"	30965A215	00000
							1/2"	2.000"	1/2"	3/16"	30965A315	00000
							3/4"	2.000"	1/2"	3/16"	30965A415	00000
							1"	2.000"	1/2"	3/16"	30965A515	00000