Zinc-Alloy Tamper-Resistant Nuts

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

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Less than 100 in·lbf

100 in·lbf to 149 in·lbf

150 in·lbf to 249 in·lbf

250 in·lbf to 499 in·lbf

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50 in·lbf to 99 in·lbf

100 in·lbf to 249 in·lbf

250 in·lbf to 499 in·lbf

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22 Products

Breakaway Tamper-Resistant Nuts

The most tamper-resistant nuts we offer, these have a hex head that breaks away upon tightening, leaving a non-removable cone. They can be installed using a standard wrench. Use them to reduce the risk of unwanted removal for objects in public spaces such as signs, lighting fixtures, and displays.

Zinc—Zinc alloy and zinc-plated alloy steel nuts are corrosion resistant in wet environments.

	Wd.	Ht.	Ht. After Installation	Breaking Torque, in·lbf	Pkg. Qty.		Pkg.
Zinc



	10-24	7/16"	25/64"	3/16"	40	10	90013A111	000000


	1/4"-20	9/16"	15/32"	7/32"	60	10	90013A112	00000
	5/16"-18	5/8"	1/2"	7/32"	110	10	90013A113	00000
	3/8"-16	3/4"	37/64"	1/4"	150	10	90013A114	00000
	1/2"-13	1"	3/4"	11/32"	360	5	90013A115	00000
	5/8"-11	1 1/8"	51/64"	3/8"	360	5	90013A116	00000
	M6 × 1 mm	14 mm	12 mm	6 mm	60	10	90013A118	00000
	M8 × 1.25 mm	16 mm	13 mm	6 mm	110	10	90013A119	00000
	M10 × 1.5 mm	19 mm	15 mm	6 mm	150	5	90013A121	00000
	M12 × 1.75 mm	25 mm	19 mm	9 mm	360	5	90013A122	00000

Drilled-Spanner-Drive Tamper-Resistant Nuts

A wide base and large bearing surface make these nuts good for securing large objects. They must be installed and removed with a nutdriver (sold separately). Use them to reduce the risk of unwanted removal for objects in public spaces such as signs, lighting fixtures, and displays.

Zinc—Made from zinc alloy, they're corrosion resistant in wet environments.

	Nuts						Spanner Nutdrivers
	Thread Size	Dia.	Ht.	Pkg. Qty.		Pkg.		Each
Zinc



		1/4"-20	1"	1/4"	10	90078A110	000000	90078A041	000000


		5/16"-18	1"	1/4"	10	90078A120	00000	90078A041	00000
		3/8"-16	1"	1/4"	10	90078A130	00000	90078A041	00000
		M6 × 1 mm	1"	1/4"	10	90078A210	00000	90078A041	00000
		M8 × 1.25 mm	1"	1/4"	10	90078A220	00000	90078A041	00000
		M10 × 1.5 mm	1"	1/4"	10	90078A230	00000	90078A041	00000

Tri-Groove-Drive Tamper-Resistant Nuts

Tri-groove-drive nuts are narrower than sloped and drilled-spanner-drive nuts to fit in tight spaces. Install with a tri-groove socket and either a socket driver or an open-end wrench (all sold separately). Use them to reduce the risk of unwanted removal for objects in public spaces such as signs, lighting fixtures, and displays.

Zinc—Zinc alloy nuts are lightweight and corrosion resistant in wet environments.

	Nuts						Tri-Groove Sockets		Socket Drivers
	Thread Size	Dia.	Ht.	Pkg. Qty.		Pkg.		Each		Each
Zinc



		M6 × 1 mm	0.66"	0.265"	10	90080A304	00000	7393A37	000000	5522A77	000000


		M8 × 1.25 mm	0.83"	0.345"	10	90080A305	0000	7393A38	00000	5522A77	00000