Nylon Machine Screw Nuts

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Unified Standard Class 2B

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55 Products

About Hex Nuts

Choose a hex nut with the right profile, material, and strength for your application.

Hex Nut Profile

Standard

The most common hex nuts for fastening machinery and equipment

48 products

Thin

Fit in spaces with low clearance

7 products

Performance

High Strength

Withstand heavy loads and high stress without cracking

11 products

Hex Nuts

The most commonly used hex nuts, these are suitable for fastening most machinery and equipment.

Plastic

Image of Product. Front orientation. Hex Nuts. Hex Nuts.

Nylon 6/6— The most common plastic nuts, these are good for general purpose fastening. They are slippery and abrasion resistant, so they thread on smoothly and stand up to daily wear and tear. Nylon will swell and weaken when exposed to moisture, so these nuts are best for dry environments.

High-Strength Glass-Filled Nylon—Glass fibers embedded in the nylon give these nuts better strength than nylon 6/6. They can also handle higher temperatures without losing strength.

				Temp., ° F
	Thread Size	Wd.	Ht.	Min.	Max.	Choose a Color	Pkg. Qty.		Pkg.
Nylon 6/6



		2-56	3/16"	1/16"	-40	185	Black , Off-White	100	94812A100	000000
		3-48	3/16"	1/16"	-40	185	Black , Off-White	100	94812A820	00000
		4-40	17/64"	3/32"	-40	185	Black , Off-White	100	94812A200	00000
		6-32	5/16"	1/8"	-40	185	Black , Off-White	100	94812A300	00000
		6-40	5/16"	1/8"	-40	185	Black , Off-White	100	94812A663	00000
		8-32	11/32"	1/8"	-40	185	Black , Off-White	100	94812A400	00000
		10-24	3/8"	9/64"	-40	185	Black , Off-White	100	94812A500	00000
		10-32	3/8"	9/64"	-40	185	Black , Off-White	100	94812A600	00000
		12-24	7/16"	13/64"	-40	185	Black , Off-White	100	94812A830	00000
		1/4"-20	7/16"	15/64"	-40	185	Black , Off-White	100	94812A700	00000


		1/4"-28	7/16"	15/64"	-40	185	Black , Off-White	100	94812A800	00000
		5/16"-18	33/64"	17/64"	-40	185	Black , Off-White	100	94812A910	00000
		5/16"-24	33/64"	17/64"	-40	185	Black , Off-White	50	94812A840	00000
		3/8"-16	9/16"	21/64"	-40	185	Black , Off-White	50	94812A920	00000
		3/8"-24	9/16"	21/64"	-40	185	Black , Off-White	50	94812A850	00000
		3/8"-32	9/16"	11/32"	-40	185	Black , Off-White	50	94812A681	00000
		7/16"-14	11/16"	3/8"	-40	185	Black , Off-White	50	94812A860	00000
		7/16"-20	11/16"	3/8"	-40	185	Black , Off-White	50	94812A870	00000
		1/2"-13	49/64"	7/16"	-40	185	Black , Off-White	50	94812A930	00000
		1/2"-20	49/64"	7/16"	-40	185	Black , Off-White	25	94812A880	00000


		5/8"-11	15/16"	35/64"	-40	185	Black , Off-White	25	94812A940	00000
		5/8"-18	15/16"	9/16"	-40	185	Black , Off-White	25	94812A683	00000
		11/16"-27	1"	1/4"	-40	185	Black , Off-White	10	94812A684	00000
		3/4"-10	1 7/64"	41/64"	-40	185	Black , Off-White	20	94812A950	00000
		7/8"-9	1 19/64"	3/4"	-40	185	Black , Off-White	10	94812A960	00000
		1"-8	1 31/64"	7/8"	-40	185	Black , Off-White	10	94812A970	00000
		M2 × 0.4 mm	3.9 mm	1.2 mm	-40	185	Black , Off-White	100	93800A300	00000
		M2.5 × 0.45 mm	4.9 mm	1.8 mm	-40	185	Black , Off-White	100	93800A350	00000
		M3 × 0.5 mm	5.4 mm	2.2 mm	-40	185	Black , Off-White	100	93800A400	00000
		M3.5 × 0.6 mm	6.9 mm	2.7 mm	-40	185	Black , Off-White	100	93800A450	00000


		M4 × 0.7 mm	6.9 mm	3 mm	-40	185	Black , Off-White	100	93800A500	00000
		M5 × 0.8 mm	7.9 mm	4.3 mm	-40	185	Black , Off-White	100	93800A550	00000
		M6 × 1 mm	10 mm	5.4 mm	-40	185	Black , Off-White	100	93800A600	00000
		M8 × 1.25 mm	12.9 mm	6.4 mm	-40	185	Black , Off-White	50	93800A650	00000
		M10 × 1.5 mm	14.8 mm	9.8 mm	-40	185	Black , Off-White	50	93800A700	00000
		M12 × 1.75 mm	17.74 mm	10.54 mm	-40	185	Black , Off-White	10	93800A750	00000
		M16 × 2 mm	24 mm	14.8 mm	-40	185	Black , Off-White	10	93369A204	00000


		High-Strength Glass-Filled Nylon



				6-32	5/16"	1/8"	-20	230	Off-White	10	90387A321	0000
				8-32	11/32"	9/64"	-20	230	Off-White	10	90387A326	0000
				10-32	3/8"	9/64"	-20	230	Off-White	10	90387A332	0000
				1/4"-20	7/16"	15/64"	-20	230	Off-White	10	90387A337	0000
				M2 × 0.4 mm	3.9 mm	1.2 mm	-20	230	Off-White	10	90387A501	00000
				M3 × 0.5 mm	5.4 mm	2.2 mm	-20	230	Off-White	25	90387A503	00000
				M4 × 0.7 mm	6.9 mm	3 mm	-20	230	Off-White	10	90387A505	0000
				M5 × 0.8 mm	7.9 mm	4.3 mm	-20	230	Off-White	10	90387A506	0000
				M6 × 1 mm	10 mm	5.4 mm	-20	230	Off-White	10	90387A507	00000
				M8 × 1.25 mm	12.9 mm	6.4 mm	-20	230	Off-White	10	90387A508	00000


M10 × 1.5 mm				14.8 mm	9.8 mm	-20	230	Off-White	10	90387A509	00000

Thin-Profile Hex Nuts

About half the height of standard-profile nuts, these fit in spaces with low clearance. You can also use them as jam nuts by threading them against another hex nut to hold it in place.

Plastic

				Temp., ° F
	Thread Size	Wd.	Ht.	Min.	Max.	Choose a Color	Pkg. Qty.		Pkg.
Nylon 6/6



		1/4"-20	7/16"	5/32"	-40	185	Black , Off-White	100	96557A164	000000
		5/16"-18	33/64"	3/16"	-40	185	Black , Off-White	50	96557A109	0000
		3/8"-16	33/64"	1/8"	-40	185	Black , Off-White	50	96557A114	00000
		1/2"-13	45/64"	7/32"	-40	185	Black , Off-White	25	96557A129	0000
		5/8"-11	61/64"	3/8"	-40	185	Black , Off-White	10	96557A139	0000
		3/4"-10	1 1/8"	1/4"	-40	185	Black , Off-White	10	96557A144	0000
		1"-8	1 31/64"	13/32"	-40	185	Black , Off-White	10	96557A154	00000