1⁄4"-20 Thread Locating And Support Buttons

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System of Measurement

Thread Size

Mount Type

Length

Thread Length

Shape

Width

Head Length

Material

Head Width

Tip Diameter

Fastener Head Type

RoHS

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

DFARS Specialty Metals

Load Capacity

Range of Motion

Tip-to-Head Length

6 Products

Threaded Locating and Support Buttons

Use these buttons to support and position workpieces and fixtures from the bottom or side. Their hex shape lets you screw them into a threaded hole with a wrench or socket. 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.

Inch

		Thread
Lg.	Wd.	Size	Lg.	Lg. Tolerance		Each
Steel with Flat Head
1/4"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	00000000	00000
3/8"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	00000000	0000
1/2"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	00000000	0000
3/4"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	00000000	0000
1"	3/8"	1/4"-20	3/8"	-0.003" to 0.012"	00000000	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.

Inch

	Head				Thread
Tip Dia.	Lg.	Wd.	Tip-to-Head Lg.	Lg.	Size	Lg.	Range of Motion	Head Lg. Tolerance	Load Capacity, lbs.	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	0000000	000000