Round Locating And Support Buttons

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108 Products

Press-Fit Locating and Support Buttons

Support and position workpieces and fixtures from the bottom or side. These buttons press into a drilled hole for permanent installation. Also known as rest buttons.

Stainless Steel—Stainless steel buttons are a good choice to avoid corrosion when working with stainless steel workpieces or fixtures.

			Stud		Tolerance
	Dia.	Lg.	Dia.	Lg.	Lg.	Stud Dia.	Specs. Met		Each
Steel



		1/4"	1/8"	1/8"	7/32"	0" to 0.001"	0.001" to 0.0015"	—	8511A17	00000


		1/4"	1/4"	3/16"	7/32"	0.01" to 0.015"	0.0005" to 0.001"	—	8511A11	0000
		3/8"	1/8"	1/8"	7/32"	0" to 0.001"	0.001" to 0.0015"	—	8511A18	0000
		3/8"	1/4"	3/16"	7/32"	0.01" to 0.015"	0.0005" to 0.001"	—	8511A12	0000
		3/8"	1/4"	1/4"	1/2"	0" to 0.001"	0.0005" to 0.001"	—	8511A21	0000
		3/8"	3/8"	3/16"	3/8"	0" to 0.001"	-0.0005" to 0"	—	8511A415	0000
		3/8"	1/2"	3/16"	3/8"	0" to 0.005"	0.0005" to 0.001"	—	8511A23	0000
		1/2"	1/8"	1/8"	7/32"	0" to 0.001"	0.001" to 0.0015"	—	8511A19	0000
		1/2"	1/4"	1/4"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A24	0000
		1/2"	3/8"	1/4"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A25	0000
		1/2"	1/2"	1/4"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A26	0000


		5/8"	1/4"	3/8"	15/32"	0.01" to 0.015"	0.0005" to 0.001"	—	8511A16	0000
		5/8"	5/16"	5/16"	1/2"	0" to 0.001"	-0.0005" to 0"	—	8511A413	0000
		5/8"	3/8"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A28	0000
		5/8"	7/16"	5/16"	1/2"	0" to 0.001"	-0.0005" to 0"	—	8511A418	0000
		5/8"	1/2"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A29	0000
		5/8"	5/8"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A31	0000
		5/8"	3/4"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A32	0000
		5/8"	7/8"	5/16"	1/2"	0" to 0.001"	-0.0005" to 0"	—	8511A433	0000
		5/8"	1"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	8511A33	0000
		3/4"	1 1/2"	1/2"	1/2"	0" to 0.01"	0.0005" to 0.0015"	—	8511A35	0000


		7/8"	1/4"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A411	0000
		7/8"	5/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A414	0000
		7/8"	3/8"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A416	00000
		7/8"	7/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A419	0000
		7/8"	1/2"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A421	0000
		7/8"	9/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A424	0000
		7/8"	5/8"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A425	0000
		7/8"	11/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A427	0000
		7/8"	3/4"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A428	0000
		7/8"	13/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A432	0000


		7/8"	7/8"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A434	0000
		7/8"	15/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A435	00000
		7/8"	1"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	8511A436	0000
		1"	3/8"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	8511A417	00000
		1"	1/2"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	8511A422	00000
		1"	5/8"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	8511A426	0000
		1"	3/4"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	8511A429	0000
		1 1/2"	1/4"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	8511A412	00000
		1 1/2"	1/2"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	8511A423	00000
		1 1/2"	3/4"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	8511A431	00000


		1 1/2"	1"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	8511A437	00000
		6 mm	5 mm	4 mm	6 mm	-0.03 mm to 0 mm	0 mm to 0.02 mm	DIN 6321	3097N11	00000
		10 mm	6 mm	6 mm	9 mm	-0.03 mm to 0 mm	0 mm to 0.02 mm	DIN 6321	3097N12	00000
		16 mm	8 mm	8 mm	12 mm	-0.036 mm to 0 mm	0 mm to 0.04 mm	DIN 6321	3097N13	00000
		25 mm	10 mm	12 mm	18 mm	-0.036 mm to 0 mm	0 mm to 0.04 mm	DIN 6321	3097N14	00000


		Stainless Steel



3/8"	1/4"			3/16"	1/4"	0" to 0.001"	-0.015" to 0"	—	8511A111	0000


3/8"	3/8"			3/16"	1/4"	0" to 0.001"	-0.015" to 0"	—	8511A112	0000
3/8"	1/2"			3/16"	1/4"	0" to 0.001"	-0.015" to 0"	—	8511A113	0000
1/2"	1/4"			1/4"	5/16"	0" to 0.001"	-0.015" to 0"	—	8511A114	0000
1/2"	3/8"			1/4"	5/16"	0" to 0.001"	-0.015" to 0"	—	8511A115	0000
1/2"	1/2"			5/16"	5/16"	0" to 0.001"	-0.015" to 0"	—	8511A116	0000
1/2"	3/4"			5/16"	5/16"	0" to 0.001"	-0.015" to 0"	—	8511A117	0000
1/2"	1"			5/16"	5/16"	0" to 0.001"	-0.015" to 0"	—	8511A118	0000

Screw-Mount Locating and Support Buttons

Flat Head

Also known as rest buttons, these buttons support workpieces and fixtures from the bottom or side. Mount them onto a screw or stud extending from your jig or table.

Stainless Steel—Stainless steel buttons are corrosion resistant. They’re usually paired with stainless steel workpieces or fixtures.

Round—Round buttons have an unthreaded, counterbored through hole. Mount them to a socket head cap screw.

	Lg.	Lg. Tolerance	For Mounting Screw Size	Mounting Fasteners Included		Each
Steel—Round with Flat Head



	5/16"	5/32"	0" to 0.001"	No. 2	No	8506A33	00000


	3/8"	3/16"	0" to 0.001"	No. 4	No	8506A34	0000
	3/8"	1/4"	0" to 0.001"	No. 6	No	8506A35	0000
	3/8"	1/4"	0" to 0.001"	No. 8	No	8506A36	0000
	1/2"	1/2"	-0.001" to 0.001"	No. 10	No	8506A16	0000
	5/8"	1/2"	0" to 0.001"	1/4"	No	8506A17	0000
	5/8"	5/8"	-0.001" to 0.001"	1/4"	No	8506A18	0000
	5/8"	3/4"	0" to 0.001"	1/4"	No	8506A31	0000
	5/8"	1"	0" to 0.001"	1/4"	No	8506A32	0000
	3/4"	1/2"	-0.001" to 0.001"	5/16"	No	8506A19	0000
	3/4"	5/8"	-0.001" to 0.001"	5/16"	No	8506A21	0000


	3/4"	3/4"	-0.001" to 0.001"	5/16"	No	8506A22	0000
	7/8"	1 1/8"	0" to 0.001"	5/16"	No	8506A111	0000
	15/16"	5/8"	-0.001" to 0.001"	3/8"	No	8506A23	0000
	15/16"	3/4"	-0.001" to 0.001"	3/8"	No	8506A24	0000
	15/16"	1"	-0.001" to 0.001"	3/8"	No	8506A26	0000
	1 1/4"	7/8"	-0.001" to 0.001"	1/2"	No	8506A27	0000
	1 1/4"	1 1/2"	0" to 0.001"	3/8"	No	8506A113	00000
	1 1/4"	2"	0" to 0.001"	3/8"	No	8506A115	00000
	1 5/8"	1 1/4"	0" to 0.001"	1/2"	No	8506A112	00000
	1 5/8"	1 3/4"	0" to 0.001"	1/2"	No	8506A114	00000


	1 5/8"	2 1/4"	0" to 0.001"	1/2"	No	8506A116	00000
	10 mm	10 mm	-0.03 mm to 0.03 mm	M3	No	3070N11	0000
	12 mm	10 mm	-0.03 mm to 0.03 mm	M4	No	3070N12	0000
	16 mm	12 mm	-0.03 mm to 0.03 mm	M5	No	3070N13	0000
	20 mm	12 mm	-0.03 mm to 0.03 mm	M6	No	3070N14	0000
	25 mm	12 mm	-0.03 mm to 0.03 mm	M6	No	3070N15	0000


	Acetal—Round with Flat Head



			3/8"	3/8"	-0.005" to 0"	No. 6	No	8506A41	0000


			1/2"	1/2"	-0.005" to 0"	No. 8	No	8506A42	0000
			5/8"	1/2"	-0.005" to 0"	No. 8	No	8506A43	0000
			3/4"	1/2"	-0.005" to 0"	No. 10	No	8506A44	0000
			1"	1/2"	-0.005" to 0"	1/4"	No	8506A45	0000


			Stainless Steel—Round with Flat Head



					3/8"	3/8"	-0.001" to 0.001"	No. 6	No	8506A46	0000


					1/2"	1/2"	-0.001" to 0.001"	No. 8	No	8506A47	0000
					5/8"	1/2"	-0.001" to 0.001"	No. 8	No	8506A48	0000
					3/4"	1/2"	-0.001" to 0.001"	No. 10	No	8506A49	0000
					1"	1/2"	-0.001" to 0.001"	1/4"	No	8506A51	00000

Domed-Head Locating and Support Buttons

Support rounded or irregularly shaped workpieces from the bottom or side with minimal contact. Press the stud into a drilled hole for permanent installation. Also known as rest buttons.

Stainless Steel—Stainless steel buttons resist corrosion. They’re a good choice when working with stainless steel workpieces or fixtures.

			Stud		Tolerance
	Dia.	Lg.	Dia.	Lg.	Lg.	Stud Dia.		Each
Steel



		1/4"	1/8"	3/16"	1/4"	-0.002" to 0.002"	-0.0005" to 0"	1371N26	00000


		5/16"	1/8"	3/16"	1/4"	-0.002" to 0.002"	-0.0005" to 0"	1371N11	0000
		3/8"	3/16"	1/4"	5/16"	-0.002" to 0.002"	-0.0005" to 0"	1371N12	0000
		1/2"	3/16"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N13	0000
		1/2"	1/4"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N14	0000
		1/2"	3/8"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N15	0000
		1/2"	1/2"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N16	0000
		5/8"	3/8"	1/2"	5/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N27	00000
		3/4"	5/8"	1/2"	5/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N17	00000
		1"	3/4"	5/8"	3/4"	-0.002" to 0.002"	-0.0005" to 0"	1371N18	00000
		1"	1"	5/8"	3/4"	-0.002" to 0.002"	-0.0005" to 0"	1371N19	00000


		1 1/4"	1 1/4"	3/4"	7/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N21	00000
		6 mm	3.2 mm	4.5 mm	6 mm	-0.051 mm to 0.051 mm	-0.0127 mm to 0 mm	1371N24	0000
		10 mm	4.7 mm	7.5 mm	8 mm	-0.051 mm to 0.051 mm	-0.0127 mm to 0 mm	1371N25	0000


		Stainless Steel



				5/16"	1/8"	3/16"	1/4"	-0.002" to 0.002"	-0.0005" to 0"	1371N28	00000


				3/8"	3/16"	1/4"	5/16"	-0.002" to 0.002"	-0.0005" to 0"	1371N22	00000
				1/2"	1/4"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	1371N23	00000