DIN 980 Locknuts | McMaster-Carr

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12 Products

Top-Lock Distorted-Thread Locknuts

Irregularly shaped threads at the top of these locknuts grip the screw for a stronger hold than nylon-insert locknuts. Although the threads prevent the nut from backing out due to vibration, they also increase the effort to install and remove. To get these nuts off, you may need special tools, such as an impact wrench or propane torch. Nuts are not reusable.

Corrosion-Resistant Stainless Steel

18-8 Stainless Steel—The choice for wet and outdoor environments, these locknuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.

	Wd., mm	Ht., mm	Specs. Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel



	M4 × 0.7 mm	7	3.2	DIN 980, ISO 7042	25	90045A111	000000


	M5 × 0.8 mm	8	4	DIN 980, ISO 7042	25	90045A112	00000
	M6 × 1 mm	10	6	DIN 980, ISO 7042	10	90045A113	0000
	M7 × 1 mm	11	5.5	DIN 980, ISO 7042	5	90045A114	00000
	M8 × 1 mm	13	6.4	DIN 980, ISO 7042	5	90045A116	00000
	M8 × 1.25 mm	13	6.4	DIN 980, ISO 7042	10	90045A115	00000
	M10 × 1.25 mm	17	10	DIN 980, ISO 7042	1	90045A119	0000
	M10 × 1.5 mm	17	8	DIN 980, ISO 7042	5	90045A117	00000
	M12 × 1.75 mm	19	12	DIN 980, ISO 7042	1	90045A121	0000
	M14 × 2 mm	22	14	DIN 980, ISO 7042	1	90045A124	0000
	M16 × 1.5 mm	24	16	DIN 980, ISO 7042	1	90045A127	00000


	M16 × 2 mm	24	16	DIN 980, ISO 7042	1	90045A126	00000