Tire Valve Adapters | McMaster-Carr

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Schrader Valve Connection Type

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Collet Type

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36 Products

Air Chucks


Style A	Style B	Style C	Style D	Style E	Style F

Style G	Style H	Style J	Style K	Sealing Washers for Styles B, C, and D	Sealing Washers for Style H

Attach these chucks to your air hose so you can connect the hose to Schrader valves. Most often recognized from car and bike tires, Schrader valves are also commonly found on compressed air tanks and high-pressure hydraulic systems. Do not use these air chucks with tire inflator gauges.

Press-and-Hold Schrader Valve Connection


Style A	Style B	Style C	Style D	Style E

2 Outlets—Chucks with 2 outlets can be used at different angles and have an extended reach, so they’re ideal if your valve is hard to reach or in an awkward spot.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

	Outlet					Inlet									Each		Package
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	Pipe Size	Thread Type	For Tube ID	Gender	Lg.	Max. Pressure, psi	Washer Material		Each	Pkg. Qty.		Pkg.
A	Angled	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	1 1/4"	150	—	6146A23	00000	—	———	0
B	Straight	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	3 1/4"	150	Buna-N	6146A25	00000	10	6146A251	0000000
C	Angled	2	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	5 1/4"	150	Buna-N	6701A41	00000	10	6701A411	00000
D	Angled, Straight	2	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	5 1/4"	150	Buna-N	6146A103	00000	10	6146A107	000000
E	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	2 1/4"	150	—	6146A21	0000	10	6146A211	00000
E	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	3/8"	Male	2 1/2"	150	—	6146A22	0000	—	———	0

Accessories and Replacements for Air Chucks

For Style	Clip Lg.	Material		Each
A, E	1 1/2"	Metal	6146A101	000000

For Style	Material	Pkg. Qty.		Pkg.
B, C, D	Buna-N	10	6146A104	00000

Clip-On Schrader Valve Connection


Style F	Style G	Style H

Chucks with a clip-on Schrader valve connection attach to the valve stem, so you don’t need to hold them as the valve fills.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

	Outlet					Inlet
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	Pipe Size	Thread Type	For Tube ID	Gender	Lg.	Clip Lg.	Max. Pressure, psi		Each
F	Angled	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	2 3/4"	1 3/4"	150	6140A62	000000
G	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	2 1/4"	1 1/2"	150	6140A61	00000
H	Straight	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	1 1/2"	1 1/4"	150	6146A102	0000

Replacement Sealing Washers

For Style	Material	Pkg. Qty.		Pkg.
H	Buna-N	10	6146A105	00000

Sleeve-Lock Schrader Valve Connection

Style J

Chucks with a sleeve-lock Schrader valve connection grab onto the valve by sliding the sleeve forward onto the valve. To disconnect, slide the sleeve back and pull out the valve.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

For 0.485"-26 Thread Size—Air chucks for a 0.485”-26 thread size fit large-bore Schrader valves.

	Outlet					Inlet
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	Pipe Size	Thread Type	Gender	Lg.	Max. Pressure, psi		Each
J	Straight	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	Female	1 1/2"	120	3536N1	000000
J	Straight	1	0.485"-26	Schrader	Female	Threaded	Pipe	1/4	NPT	Female	1 3/4"	90	6146A106	00000

Threaded Schrader Valve Connection

Style K

Chucks with a threaded Schrader valve connection screw onto valves for a secure connection that you don’t need to hold in place.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

	Outlet					Inlet						Each		Package
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	For Tube ID	Gender	Lg.	Max. Pressure, psi		Each	Pkg. Qty.		Pkg.
K	Straight	1	0.305"-32	Schrader	Female	Barbed	Tube	7/32"	Male	1"	120	3536N2	00000	10	3536N21	000000

Air Chucks for High-Pressure Fill Valves

Fill tanks and recharge struts—these air chucks join hose to high-pressure fill valves with Schrader threads.

Schrader Female Threaded Hose × NPT Female Threaded Pipe

70° Elbow

70° Elbow—70° elbow chucks are angled to access hard-to-reach valves.

	Inlet					Temp. Range, ° F
	Thread Size	Pipe Size	Material	Outlet Material	Max. Pressure, psi	Min.	Max.		Each
70° Elbow



		0.305"-32	1/8	Brass	Brass	3,000	-20	250	3534N4	000000

Schrader Female Threaded Hose × NPT Male Threaded Pipe

90° Elbow With

Shutoff

With Shutoff—Chucks with a shut-off valve let you control the flow of air by hand. When used with Schrader valves that have a core, the core depressor pin in these chucks press valves open to let air flow in.

	Inlet					Temp. Range, ° F
	Thread Size	Pipe Size	Material	Outlet Material	Max. Pressure, psi	Min.	Max.	Features		Each
90° Elbow With Shutoff



		0.305"-32	1/8	Brass	Brass	3,000	-40	160	Core Depressor Pin	3534N1	000000

Schrader Female Threaded Hose × UN/UNF (JIC) Male 37° Flared Tube


Straight	70° Elbow	90° Elbow With Shutoff

70° Elbow—70° elbow chucks are angled to access hard-to-reach valves.

SAE AS4395—These chucks meet SAE AS4395, an automotive industry standard for flared fitting dimensions.

	Inlet		Outlet				Temp. Range, ° F
	Thread Size	Material	Thread Size	Material	For Tube OD	Max. Pressure, psi	Min.	Max.	Features	Specs. Met		Each
Straight



		0.305"-32	Zinc-Plated Steel	7/16"-20	Stainless Steel	1/4"	5,000	-20	250	—	SAE AS4395	3534N3	000000


		70° Elbow



				0.305"-32	Brass	7/16"-20	Brass	1/4"	5,000	Not Rated	Not Rated	—	—	3534N6	00000


				90° Elbow With Shutoff



						0.305"-32	Brass	3/8"-24	Brass	3/16"	3,000	-40	160	Core Depressor Pin	SAE AS4395	3534N2	00000


						0.485"-26	Brass	3/8"-24	Brass	3/16"	3,000	-40	160	Core Depressor Pin	—	3534N5	00000

Air-Operated Collet Fixtures


Sold Individually	Sold as Kits

Control clamping action with air. Use 5C collets (sold separately) to grip and release parts on milling machines and drill presses.

								Mounting Holes				Air Inlet
Sold As	For Collet Type	For Max. Workpiece Dia.	Dia.	Ht.	Max. Clamping Pressure, psi	Max. Air Pressure, psi	Material	No. of	Dia.	Mounting Position	No. of Air Ports	Connection Port	Pipe Size	Thread Type	Gender	Power Source	Includes		Each
Individual	5C	1 1/16"	5 1/2"	3 1/4"	1,125	150	Aluminum	4	3/8"	Vertical	2	Hose	1/4	NPS	Male	Air	—	5317A13	0000000
Kit	5C	1 1/16"	5 1/2"	3 1/4"	1,125	150	Aluminum	4	3/8"	Vertical	2	Hose	1/4	NPS	Male	Air	Air-Operated Fixture, Four-Way Foot-Operated Air Valve, Three 6-ft. Long Air Hoses	5317A21	000000

High-Density Air/Hydraulic-Operated Collet Fixtures

Four Fixtures (Each Sold Separately)


Pull Back	Pull Back—Flange Mount

Fixed Length

Push a button to clamp or release multiple workpieces on your milling machine or drill press. To create a high-density setup, mount these fixtures and join them together using two connector bushings (sold separately) for each fixture you want to add. These fixtures have a through hole for clamping long workpieces.

Air or hydraulic pressure opens and closes the collets (not included). A good choice for heavy machining, these fixtures provide a tighter hold than you can achieve with manual power. You can operate multiple fixtures with a single valve (not included) and two hoses—one for supply and one for return. All are double acting, so they need air or hydraulic pressure both to open and close. This means that the workpiece stays locked in place even if you lose pressure. Clamping force depends on the air or hydraulic pressure of your system.

Top-Locking Screw—Fixtures with a top-locking screw allow for direct access to make adjustments without disassembling your setup.

Pull Back—Pull-back fixtures have tapered walls that press all sides of the collet evenly to center the workpiece—like how a mechanical pencil grips lead. They’re less precise than fixed-length fixtures because the workpiece may shift slightly during clamping.

Fixed Length—Fixed-length fixtures, also known as dead-length fixtures, keep the collet stationary while they clamp onto a workpiece. Use them to precisely machine holes, slots, and contours exactly where you need them. Since these fixtures position workpieces consistently, they’re often used for high-volume production runs. You can also rotate them on an indexer or rotary table without losing your reference point.

	Collet Fixtures																							Connectors
								Max. Pressure, psi		Max. Clamping Force, psi			Mounting Holes		Mounting Slots			Port
	For Collet Type	For No. of Collets	For Max. Workpiece Dia.	Through-Hole Dia.	Lg.	Wd.	Ht.	Air	Hydraulic	Air-Powered	Hydraulic-Powered	Material	No. of	Thread Size	Lg.	Wd.	No. of Ports	Pipe Size	Thread Type	Thread Gender	Includes		Each		Each
Collet Fixtures with Locking Screw







				Pull Back

				5C	1	1 1/16"	1 3/16"	4"	4"	3 1/2"	150	—	1,125	—	Aluminum	4	3/8"-24	—	—	2	1/4	NPT	Female	Collet Wrench	3115N13	0000000	3115N12	000000




						Pull Back—Flange Mount

						5C	1	1 1/16"	1 3/16"	6 1/2"	4"	3 1/2"	150	—	1,125	—	Aluminum	4	3/8"-24	1"	1/2"	2	1/4	NPT	Female	Collet Wrench	3115N14	000000	3115N12	00000


						Collet Fixtures with Top-Locking Screw







										Fixed Length

										1C	1	1/4"	5/16"	1 3/4"	1 3/4"	1 7/16"	250	750	180	545	Aluminum	4	10-24	—	—	2	1/8	NPT	Female	Collet Wrench	3115N15	000000	3115N21	00000


										3C	1	1/2"	5/8"	2 1/2"	2 1/2"	2 3/4"	250	750	300	900	Aluminum	4	1/4"-20	—	—	2	1/8	NPT	Female	Collet Wrench	3115N16	000000	3115N22	00000
										16C	1	1 5/8"	1 7/8"	4"	4"	4 1/4"	250	2,000	1,450	11,600	Aluminum	4	3/8"-16	—	—	2	1/4	NPT	Female	Collet Wrench	3115N17	000000	3115N12	00000