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"	—	0000000	00000


		1/4"	1/4"	3/16"	7/32"	0.01" to 0.015"	0.0005" to 0.001"	—	0000000	0000
		3/8"	1/8"	1/8"	7/32"	0" to 0.001"	0.001" to 0.0015"	—	0000000	0000
		3/8"	1/4"	3/16"	7/32"	0.01" to 0.015"	0.0005" to 0.001"	—	0000000	0000
		3/8"	1/4"	1/4"	1/2"	0" to 0.001"	0.0005" to 0.001"	—	0000000	0000
		3/8"	3/8"	3/16"	3/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		3/8"	1/2"	3/16"	3/8"	0" to 0.005"	0.0005" to 0.001"	—	0000000	0000
		1/2"	1/8"	1/8"	7/32"	0" to 0.001"	0.001" to 0.0015"	—	0000000	0000
		1/2"	1/4"	1/4"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000
		1/2"	3/8"	1/4"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000
		1/2"	1/2"	1/4"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000


		5/8"	1/4"	3/8"	15/32"	0.01" to 0.015"	0.0005" to 0.001"	—	0000000	0000
		5/8"	5/16"	5/16"	1/2"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		5/8"	3/8"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000
		5/8"	7/16"	5/16"	1/2"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		5/8"	1/2"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000
		5/8"	5/8"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000
		5/8"	3/4"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000
		5/8"	7/8"	5/16"	1/2"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		5/8"	1"	3/8"	1/2"	0" to 0.005"	0.0005" to 0.0015"	—	0000000	0000
		3/4"	1 1/2"	1/2"	1/2"	0" to 0.01"	0.0005" to 0.0015"	—	0000000	0000


		7/8"	1/4"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	5/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	3/8"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	7/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	1/2"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	9/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	5/8"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	11/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	3/4"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	13/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000


		7/8"	7/8"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	15/16"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		7/8"	1"	1/2"	5/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		1"	3/8"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	00000000	00000
		1"	1/2"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		1"	5/8"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		1"	3/4"	5/8"	3/4"	0" to 0.001"	-0.0005" to 0"	—	00000000	0000
		1 1/2"	1/4"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	00000
		1 1/2"	1/2"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	00000
		1 1/2"	3/4"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	00000


		1 1/2"	1"	1"	1 3/8"	0" to 0.001"	-0.0005" to 0"	—	00000000	00000
		6 mm	5 mm	4 mm	6 mm	-0.03 mm to 0 mm	0 mm to 0.02 mm	DIN 6321	0000000	00000
		10 mm	6 mm	6 mm	9 mm	-0.03 mm to 0 mm	0 mm to 0.02 mm	DIN 6321	0000000	00000
		16 mm	8 mm	8 mm	12 mm	-0.036 mm to 0 mm	0 mm to 0.04 mm	DIN 6321	0000000	00000
		25 mm	10 mm	12 mm	18 mm	-0.036 mm to 0 mm	0 mm to 0.04 mm	DIN 6321	0000000	00000


		Stainless Steel



3/8"	1/4"			3/16"	1/4"	0" to 0.001"	-0.015" to 0"	—	00000000	0000


3/8"	3/8"			3/16"	1/4"	0" to 0.001"	-0.015" to 0"	—	00000000	0000
3/8"	1/2"			3/16"	1/4"	0" to 0.001"	-0.015" to 0"	—	00000000	0000
1/2"	1/4"			1/4"	5/16"	0" to 0.001"	-0.015" to 0"	—	00000000	0000
1/2"	3/8"			1/4"	5/16"	0" to 0.001"	-0.015" to 0"	—	00000000	0000
1/2"	1/2"			5/16"	5/16"	0" to 0.001"	-0.015" to 0"	—	00000000	0000
1/2"	3/4"			5/16"	5/16"	0" to 0.001"	-0.015" to 0"	—	00000000	0000
1/2"	1"			5/16"	5/16"	0" to 0.001"	-0.015" to 0"	—	00000000	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	0000000	00000


	3/8"	3/16"	0" to 0.001"	No. 4	No	0000000	0000
	3/8"	1/4"	0" to 0.001"	No. 6	No	0000000	0000
	3/8"	1/4"	0" to 0.001"	No. 8	No	0000000	0000
	1/2"	1/2"	-0.001" to 0.001"	No. 10	No	0000000	0000
	5/8"	1/2"	0" to 0.001"	1/4"	No	0000000	0000
	5/8"	5/8"	-0.001" to 0.001"	1/4"	No	0000000	0000
	5/8"	3/4"	0" to 0.001"	1/4"	No	0000000	0000
	5/8"	1"	0" to 0.001"	1/4"	No	0000000	0000
	3/4"	1/2"	-0.001" to 0.001"	5/16"	No	0000000	0000
	3/4"	5/8"	-0.001" to 0.001"	5/16"	No	0000000	0000


	3/4"	3/4"	-0.001" to 0.001"	5/16"	No	0000000	0000
	7/8"	1 1/8"	0" to 0.001"	5/16"	No	00000000	0000
	15/16"	5/8"	-0.001" to 0.001"	3/8"	No	0000000	0000
	15/16"	3/4"	-0.001" to 0.001"	3/8"	No	0000000	0000
	15/16"	1"	-0.001" to 0.001"	3/8"	No	0000000	0000
	1 1/4"	7/8"	-0.001" to 0.001"	1/2"	No	0000000	0000
	1 1/4"	1 1/2"	0" to 0.001"	3/8"	No	00000000	00000
	1 1/4"	2"	0" to 0.001"	3/8"	No	00000000	00000
	1 5/8"	1 1/4"	0" to 0.001"	1/2"	No	00000000	00000
	1 5/8"	1 3/4"	0" to 0.001"	1/2"	No	00000000	00000


	1 5/8"	2 1/4"	0" to 0.001"	1/2"	No	00000000	00000
	10 mm	10 mm	-0.03 mm to 0.03 mm	M3	No	0000000	0000
	12 mm	10 mm	-0.03 mm to 0.03 mm	M4	No	0000000	0000
	16 mm	12 mm	-0.03 mm to 0.03 mm	M5	No	0000000	0000
	20 mm	12 mm	-0.03 mm to 0.03 mm	M6	No	0000000	0000
	25 mm	12 mm	-0.03 mm to 0.03 mm	M6	No	0000000	0000


	Acetal—Round with Flat Head



			3/8"	3/8"	-0.005" to 0"	No. 6	No	0000000	0000


			1/2"	1/2"	-0.005" to 0"	No. 8	No	0000000	0000
			5/8"	1/2"	-0.005" to 0"	No. 8	No	0000000	0000
			3/4"	1/2"	-0.005" to 0"	No. 10	No	0000000	0000
			1"	1/2"	-0.005" to 0"	1/4"	No	0000000	0000


			Stainless Steel—Round with Flat Head



					3/8"	3/8"	-0.001" to 0.001"	No. 6	No	0000000	0000


					1/2"	1/2"	-0.001" to 0.001"	No. 8	No	0000000	0000
					5/8"	1/2"	-0.001" to 0.001"	No. 8	No	0000000	0000
					3/4"	1/2"	-0.001" to 0.001"	No. 10	No	0000000	0000
					1"	1/2"	-0.001" to 0.001"	1/4"	No	0000000	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"	0000000	00000


		5/16"	1/8"	3/16"	1/4"	-0.002" to 0.002"	-0.0005" to 0"	0000000	0000
		3/8"	3/16"	1/4"	5/16"	-0.002" to 0.002"	-0.0005" to 0"	0000000	0000
		1/2"	3/16"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	0000
		1/2"	1/4"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	0000
		1/2"	3/8"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	0000
		1/2"	1/2"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	0000
		5/8"	3/8"	1/2"	5/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000
		3/4"	5/8"	1/2"	5/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000
		1"	3/4"	5/8"	3/4"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000
		1"	1"	5/8"	3/4"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000


		1 1/4"	1 1/4"	3/4"	7/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000
		6 mm	3.2 mm	4.5 mm	6 mm	-0.051 mm to 0.051 mm	-0.0127 mm to 0 mm	0000000	0000
		10 mm	4.7 mm	7.5 mm	8 mm	-0.051 mm to 0.051 mm	-0.0127 mm to 0 mm	0000000	0000


		Stainless Steel



				5/16"	1/8"	3/16"	1/4"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000


				3/8"	3/16"	1/4"	5/16"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000
				1/2"	1/4"	3/8"	3/8"	-0.002" to 0.002"	-0.0005" to 0"	0000000	00000