DIN 986 Locknuts | McMaster-Carr

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Cap Nuts

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245° F

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Low

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Nylon-Insert Cap Nuts

Get the protection of a cap nut with the vibration resistance of a locknut. These nuts not only conceal protruding screw threads, they also have a nylon insert that grips the screw to prevent loosening from moderate vibration. However, the insert may become brittle if exposed to high temperatures. Nuts are reusable a handful of times, but their holding power decreases with each use.

Low-Strength Steel

Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength steel nuts. Use them with screws that have a similar strength rating to avoid stripping threads during installation.

Zinc-Plated Steel—A step up from plain steel, the zinc plating withstands occasional exposure to moisture.

	Thread Dp., mm	Wd., mm	Ht., mm	Fastener Strength Grade/Class	Specs. Met	Certificate Type	Insert Max. Temp., ° F	Pkg. Qty.		Pkg.
Zinc-Plated Steel



	M4 × 0.7 mm	2.3	7	9.6	Class 6	DIN 986	—	245	50	90582A111	000000


	M5 × 0.8 mm	3.5	8	10.5	Class 6	DIN 986	—	245	25	90582A112	0000
	M6 × 1 mm	3.9	10	12	Class 6	DIN 986	—	245	25	90582A113	0000
	M8 × 1.25 mm	5.2	13	14	Class 6	DIN 986	Material Certificate	245	25	90582A114	00000
	M10 × 1.5 mm	6.4	16	18	Class 6	DIN 986	—	245	10	90582A115	00000
	M12 × 1.75 mm	8.3	18	23	Class 6	DIN 986	—	245	5	90582A116	0000
	M16 × 2 mm	11.3	24	28	Class 6	DIN 986	—	245	1	90582A117	0000
	M20 × 2.5 mm	13.5	30	35	Class 6	DIN 986	—	245	1	90582A118	0000