Acetal Thumb Nuts | McMaster-Carr

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17 Products

Knurled-Head Thumb Nuts

Get a good grip on these nuts, even with oily fingers. They have a raised, slip-resistant head, so you can tighten them by hand and make controlled adjustments. Knurled-head nuts have a smaller profile than wing nuts, so they fit in tighter spots.

Plastic

Reinforced Acetal—The best plastic for damp and wet environments, acetal won't swell or lose strength if exposed to moisture. These nuts are reinforced with an aluminum threaded insert, so they can handle more torque than other plastic nuts and won't crack during installation.

		Collar
	Thread Size	Dia.	Ht.	Head Dia.	Ht.	Color	Threading	Insert Material	Pkg. Qty.		Pkg.
Reinforced Acetal



		4-40	9/32"	3/64"	5/16"	3/16"	Black	Fully Threaded	Aluminum	10	93886A101	00000


		6-32	23/64"	3/64"	3/8"	7/32"	Black	Fully Threaded	Aluminum	10	93886A110	0000
		8-32	25/64"	3/32"	1/2"	17/64"	Black	Fully Threaded	Aluminum	10	93886A120	0000
		10-24	31/64"	1/8"	5/8"	19/64"	Black	Fully Threaded	Aluminum	10	93886A102	00000
		10-32	31/64"	1/8"	5/8"	19/64"	Black	Fully Threaded	Aluminum	10	93886A130	00000
		1/4"-20	35/64"	1/16"	1"	23/64"	Black	Fully Threaded	Aluminum	10	93886A104	00000
		1/4"-20	35/64"	3/16"	3/4"	23/64"	Black	Fully Threaded	Aluminum	10	93886A140	00000
		1/4"-28	35/64"	1/16"	1"	23/64"	Black	Fully Threaded	Aluminum	10	93886A105	00000
		1/4"-28	35/64"	3/16"	3/4"	23/64"	Black	Fully Threaded	Aluminum	10	93886A103	00000
		5/16"-18	41/64"	1/8"	1"	27/64"	Black	Fully Threaded	Aluminum	10	93886A150	00000
		5/16"-24	41/64"	1/8"	1"	27/64"	Black	Fully Threaded	Aluminum	10	93886A210	00000


		M3 × 0.5 mm	9.1 mm	1.2 mm	9.6 mm	5.6 mm	Black	Fully Threaded	Aluminum	10	93886A220	0000
		M4 × 0.7 mm	9.9 mm	2.4 mm	13 mm	6.7 mm	Black	Fully Threaded	Aluminum	10	93886A230	0000
		M5 × 0.8 mm	11.5 mm	3.2 mm	16 mm	7.5 mm	Black	Fully Threaded	Aluminum	10	93886A240	00000
		M6 × 1 mm	13.6 mm	4.8 mm	19 mm	9.1 mm	Black	Fully Threaded	Aluminum	10	93886A250	00000
		M6 × 1 mm	14.3 mm	1.6 mm	26 mm	9.1 mm	Black	Fully Threaded	Aluminum	10	93886A260	00000
		M8 × 1.25 mm	16.3 mm	3.2 mm	26 mm	10.7 mm	Black	Fully Threaded	Aluminum	10	93886A270	00000