1⁄4"-20 Thread Locating And Support Buttons

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System of Measurement

Thread Size

Length

Mount Type

Thread Length

Width

Shape

Fastener Head Type

Material

Head Length

RoHS

Head Width

Tip Diameter

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

EAR99

REACH

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DFARS Specialty Metals

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6 Products

Threaded Locating and Support Buttons

Flat Head

Use these buttons to support and position workpieces and fixtures from the bottom or side. Threading makes these buttons easier to replace than press-fit, so they are a good choice for high-wear applications. They’re also known as rest buttons.

Hex—Their hex shape lets you screw them into a threaded hole with a wrench or socket.

			Thread
	Lg.	Wd.	Size	Lg.	Lg. Tolerance	Shape		Each
Steel with Flat Head



		1/4"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	Hex	8479A111	00000


		3/8"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	Hex	8479A112	0000
		1/2"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	Hex	8479A113	0000
		3/4"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	Hex	8479A114	0000
		1"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	Hex	8479A115	0000

Swiveling Locating and Support Buttons

The swiveling tip supports uneven and angled surfaces on workpieces and fixtures. These buttons screw into a threaded hole. Also known as rest buttons.

		Head				Thread
	Tip Dia.	Lg.	Wd.	Tip-to-Head Lg.	Lg.	Size	Lg.	Range of Motion	Head Lg. Tolerance	Load Cap., lb.	Tip Material		Each
Steel



		5/16"	5/16"	7/16"	1/8"	7/16"	1/4"-20	1/2"	28°	-0.002" to 0.002"	2,400	Stainless Steel	1417N12	000000