Threaded Axles | McMaster-Carr

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34 Products

Threaded Rotary Shafts

Screw these shafts directly into tapped holes, or secure fan blades and other accessories with a nut. Turned, ground, and polished to tight tolerances, these shafts reduce vibration, evenly distribute loads, and improve accuracy.

Carbon Steel—Strong and easy to machine. These shafts work best in dry environments since moisture will cause steel to rust.

		Thread					Material
	Lg.	Size	Lg.	Step Lg.	Straightness Tolerance	Diameter Tolerance	Hardness	Hardness Rating		Each
Carbon Steel







				1/4" Diameter

				6"	10-32	3/8"	7/16"	0.0048"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N16	000000


				6"	1/4"-20	1/2"	—	0.0048"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N15	00000
				12"	10-32	3/8"	7/16"	0.0048"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N12	00000
				12"	1/4"-20	1/2"	—	0.0048"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N11	00000
				24"	10-32	3/8"	7/16"	0.0048"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N14	00000
				24"	1/4"-20	1/2"	—	0.0048"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N13	00000




						1/2" Diameter

						6"	3/8"-16	3/4"	7/8"	0.0072"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N22	00000


						6"	1/2"-13	1"	—	0.0072"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N23	00000
						12"	3/8"-16	3/4"	7/8"	0.0072"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N17	00000
						12"	1/2"-13	1"	—	0.0072"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N18	00000
						24"	3/8"-16	3/4"	7/8"	0.0072"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N19	00000
						24"	1/2"-13	1"	—	0.0072"/1 ft.	-0.0002" to 0"	Rockwell B75	Medium	4166N21	00000




								3/4" Diameter

								6"	1/2"-13	1"	1 5/32"	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N28	00000


								6"	3/4"-10	1 1/2"	—	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N29	00000
								12"	1/2"-13	1"	1 5/32"	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N24	00000
								12"	3/4"-10	1 1/2"	—	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N25	00000
								24"	1/2"-13	1"	1 5/32"	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N26	00000
								24"	3/4"-10	1 1/2"	—	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N27	00000




										1" Diameter

										6"	5/8"-11	1 1/4"	1 7/16"	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N35	00000


										6"	1"-8	2"	—	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N36	00000
										12"	5/8"-11	1 1/4"	1 7/16"	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N31	00000
										12"	1"-8	2"	—	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N32	00000
										24"	5/8"-11	1 1/4"	1 7/16"	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N33	00000
										24"	1"-8	2"	—	0.0072"/1 ft.	-0.0004" to 0"	Rockwell B75	Medium	4166N34	00000

Flange-Mount Idler Rotary Shafts

Mount the flange to a machine or wall to support idler sprockets and pulleys in tensioning applications. They include washers and a nut to position your component and hold it in place.

			Overall		Thread				Mounting Holes
	Dia.	Lg.	Lg.	Dia.	Size	Lg.	Flange Thk.	Bolt Circle Dia.	No. of	Dia.	Edge Type	Hardness Rating	Hardness		Each
Threaded End—Zinc-Plated 1215 Carbon Steel



		1/4"	3/8"	1"	1 1/16"	10-24	11/32"	9/32"	23/32"	4	5/32"	Straight	Not Rated	Not Rated	2435K11	000000


		3/8"	7/16"	1 3/16"	1 1/4"	5/16"-18	15/32"	9/32"	29/32"	4	5/32"	Straight	Not Rated	Not Rated	2435K12	00000
		1/2"	5/8"	1 1/2"	1 7/16"	7/16"-14	19/32"	9/32"	1 3/32"	4	5/32"	Straight	Not Rated	Not Rated	2435K13	00000
		5/8"	5/8"	1 21/32"	1 5/8"	1/2"-13	23/32"	5/16"	1 1/4"	4	5/32"	Straight	Not Rated	Not Rated	2435K14	00000
		3/4"	5/8"	1 27/32"	1 7/8"	5/8"-11	7/8"	11/32"	1 7/16"	4	3/16"	Straight	Not Rated	Not Rated	2435K15	00000
		1"	5/8"	2 1/8"	2 1/4"	7/8"-9	1 3/32"	13/32"	1 3/4"	4	1/4"	Straight	Not Rated	Not Rated	2435K16	00000
		8 mm	9 mm	24 mm	28 mm	M6 × 1 mm	6.6 mm	7 mm	20 mm	4	3 mm	Straight	Medium	Rockwell B84	2435K31	00000
		10 mm	11 mm	28 mm	30 mm	M8 × 1.25 mm	8.26 mm	7 mm	22 mm	4	3 mm	Straight	Medium	Rockwell B84	2435K32	00000
		12 mm	12 mm	33 mm	36 mm	M10 × 1.5 mm	9.9 mm	9 mm	26 mm	4	4 mm	Straight	Medium	Rockwell B84	2435K33	00000
		20 mm	15 mm	46 mm	50 mm	M18 × 2.5 mm	16.56 mm	11 mm	36 mm	4	6 mm	Straight	Medium	Rockwell B84	2435K34	00000