Pull-Through Plugs

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88 Products

Fill the entire length of through holes instead of plugging each end. Grip the small end of these plugs and pull through to mask holes during finishing. They’re also good for plugging multiple aligned holes at once.

Chemical-Resistant EPDM—These plugs won't swell or crack when masking parts during plating, anodizing, and other chemical finishing.

High-Temperature Silicone Rubber—Withstand multiple passes when paint baking, powder coating, and electroplating.

	For ID	Ht.	Tab Ht.	Max. Temp.	Color	Pkg. Qty.		Pkg.
Chemical-Resistant EPDM



		1/16"	3/8"	11/32"	Not Rated	Black	100	9286K51	000000


		1/16"	19/32"	19/32"	Not Rated	Black	100	9286K52	00000
		1/16"	11/16"	11/16"	Not Rated	Black	50	9286K73	00000
		3/32"	19/32"	17/32"	Not Rated	Black	10	9286K24	0000
		1/8"	5/8"	5/8"	Not Rated	Black	10	9286K25	0000
		1/8"	21/32"	11/16"	Not Rated	Black	50	9286K75	00000
		5/32"	17/32"	5/8"	Not Rated	Black	10	9286K26	0000
		5/32"	5/8"	5/8"	Not Rated	Black	50	9286K76	00000
		3/16"	19/32"	5/8"	Not Rated	Black	10	9286K27	0000
		3/16"	1"	1"	Not Rated	Black	50	9286K77	00000
		7/32"	31/32"	1"	Not Rated	Black	10	9286K28	0000


		1/4"	15/16"	15/16"	Not Rated	Black	50	9286K78	00000
		1/4"	1"	1"	Not Rated	Black	50	9286K81	00000
		5/16"	3/4"	1 3/32"	Not Rated	Black	50	9286K82	00000
		11/32"	7/8"	15/16"	Not Rated	Black	50	9286K79	00000
		3/8"	1"	1"	Not Rated	Black	25	9286K83	00000
		13/32"	1"	1"	Not Rated	Black	25	9286K61	00000
		7/16"	1"	1"	Not Rated	Black	25	9286K84	00000
		15/32"	29/32"	1"	Not Rated	Black	10	9286K29	0000
		15/32"	1"	1"	Not Rated	Black	10	9286K62	00000
		1/2"	1"	31/32"	Not Rated	Black	10	9286K48	00000


		1/2"	1"	1"	Not Rated	Black	10	9286K63	00000
		19/32"	1"	1"	Not Rated	Black	10	9286K54	00000
		5/8"	1"	1"	Not Rated	Black	10	9286K64	00000
		11/16"	1 1/4"	1 5/16"	Not Rated	Black	10	9286K49	00000
		23/32"	1 1/8"	1 1/8"	Not Rated	Black	10	9286K69	00000
		3/4"	1"	15/16"	Not Rated	Black	10	9286K65	00000
		25/32"	1 1/4"	1 1/4"	Not Rated	Black	10	9286K89	00000
		7/8"	1"	1"	Not Rated	Black	10	9286K66	00000
		1"	1"	31/32"	Not Rated	Black	10	9286K67	00000


		High-Temperature Silicone Rubber



				1/16"	3/8"	5/16"	600° F	Clear	50	2903K1	0000


				1/16"	5/8"	9/16"	600° F	Green	50	2903K2	0000
				3/32"	11/16"	11/16"	600° F	Gray	25	2903K3	00000
				1/8"	21/32"	11/16"	600° F	Pink	25	2903K4	00000
				5/32"	5/8"	5/8"	600° F	Gray	25	2903K5	00000
				3/16"	31/32"	29/32"	600° F	Clear	25	2903K6	00000
				1/4"	1"	31/32"	600° F	Green	25	2903K17	00000
				9/32"	15/16"	7/8"	600° F	Yellow	25	2903K7	00000
				5/16"	3/4"	1 1/16"	600° F	Blue	25	2903K18	00000
				11/32"	7/8"	13/16"	600° F	Clear	25	2903K8	00000
				3/8"	1"	29/32"	600° F	Pink	25	2903K19	00000


				13/32"	1"	1"	600° F	Green	25	2903K9	00000
				7/16"	1"	1"	600° F	Gray	25	2903K21	00000
				15/32"	1"	1"	600° F	Blue	25	2903K11	00000
				1/2"	1"	25/32"	600° F	Clear	10	2903K22	00000
17/32"				1"	1"	600° F	Pink	10	2903K12	00000
5/8"	1"			31/32"	600° F	Gray	10	2903K13	00000
11/16"	1 1/4"			1 9/32"	600° F	Blue	10	2903K23	00000
3/4"	1"			15/16"	600° F	Clear	5	2903K14	00000
7/8"	1"			1"	600° F	Green	5	2903K15	00000
1"	1"			15/16"	600° F	Yellow	5	2903K16	00000

Pull-Through Plugs for Countersunk Holes

Simplify masking countersunk holes. A flanged design protects both the center and countersunk portions of holes with a single plug.

High-Temperature Silicone Rubber—Withstand multiple passes when paint baking, powder coating, and electroplating.

	Ht.	Max. Temp., ° F	Color	Flange Dia.	Pkg. Qty.		Pkg.
High-Temperature Silicone Rubber



	3/32"	3/8"	600	Blue	13/32"	10	2952N11	00000


	1/8"	3/8"	600	Green	13/32"	10	2952N12	0000
	5/32"	3/8"	600	Pink	1/2"	10	2952N18	0000
	3/16"	3/8"	600	Clear	13/32"	10	2952N13	0000
	3/16"	3/8"	600	Yellow	9/16"	10	2952N19	0000
	7/32"	3/8"	600	Green	5/8"	10	2952N21	0000
	7/32"	3/8"	600	White	19/32"	10	2952N14	0000
	9/32"	3/8"	600	Clear	11/16"	10	2952N22	00000
	9/32"	3/8"	600	Gray	19/32"	10	2952N15	00000
	11/32"	3/8"	600	Gray	13/16"	10	2952N23	00000
	3/8"	3/8"	600	Yellow	25/32"	10	2952N16	00000


	13/32"	3/8"	600	White	15/16"	10	2952N24	00000
	7/16"	3/8"	600	Pink	25/32"	10	2952N17	00000
	15/32"	3/8"	600	Blue	1 1/16"	10	2952N25	00000

Miniature Pull-Through Plugs

Often used with electronic components such as circuit boards and connectors, these tiny plugs stretch the entire length of through holes. Grip the end of the plug and pull through to protect holes during finishing. Also known as mousetails.

Chemical-Resistant EPDM—These plugs won't swell or crack when masking parts during plating, anodizing, and other chemical finishing.

High-Temperature Silicone Rubber—Withstand multiple passes when paint baking, powder coating, and electroplating.

	Ht.	Tab Ht.	Max. Temp., ° F	Color	Pkg. Qty.		Pkg.
Chemical-Resistant EPDM



	0.022" to 0.079"	1 5/16"	21/32"	475	Black	10	5380N11	00000


	0.022" to 0.079"	2 1/16"	1 1/32"	475	Black	10	5380N12	0000
	0.025" to 0.08"	2"	1/2"	350	Clear	10	3066N12	0000
	0.03" to 0.083"	2 1/16"	1 1/32"	475	Black	10	5380N14	0000


	High-Temperature Silicone Rubber



			0.022" to 0.079"	1 5/16"	21/32"	600	Clear	10	3066N13	0000


			0.025" to 0.08"	2"	1/2"	600	Clear	10	3066N11	0000

Installation Tools for Pull-Through Bore Sealing Plugs

Expand the sleeve on pull-through bore sealing plugs to permanently seal a flow path in a manifold or other channel. These tools work with the pull of a trigger, making them a good choice for high-volume assemblies. While most plugs get hammered into place, which risks damage to your equipment, these installation tools simply reach into holes to expand the plug.

					Air Connection			Body
For Thread Size	Stroke Lg.	Operating Pressure, psi	Pulling Force, lbf	Wt., lb.	Pipe Size	Thread Type	Gender	Wd.	Dia.	Head Lg.	Overall Ht.		Each



	4-40, 6-32, 8-32, 10-24, 10-32, 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, M2, M3, M4, M5, M6, M8, M10	0.04" to 0.28"	75 to 100	5,000	4	1/4	NPT	Female	1"	4 5/16"	10 1/4"	10 1/2"	6388N11	000000000

Mandrel and Nosepiece Sets

Select the mandrel and nosepiece set that matches the thread size of the plug you're installing.

For Thread Size	Max. Thread Lg.	Includes		Each
4-40	45/64"	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N11	0000000
6-32	49/64"	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N12	000000
M2 × 0.4 mm	6 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N16	000000
M3 × 0.5 mm	11.8 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N26	000000
M4 × 0.7 mm	14.8 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N14	000000
M5 × 0.8 mm	15.6 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N27	000000
M6 × 1 mm	27.4 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N15	000000

Pull-Through Bore Sealing Plugs

Permanently plug unused holes–even deep or angled ones—in manifolds and other hydraulic or pneumatic components. The required installation tool reaches inside holes to expand these plugs with the pull of a trigger, making them a good choice for high-volume assembly. The tool lets you install them without risking damage to your equipment, unlike most plugs that have to be hammered in place. These plugs resist vibration better than threaded plugs and don’t require thread sealant.

They consist of a serrated sleeve with an internally threaded pin inside it. To install, you’ll need the installation tool fitted with a mandrel and nosepiece set (both sold separately). Thread your plug onto the mandrel, then position the plug within your hole. Press the tool’s trigger to pull the plug’s pin through the sleeve, expanding it. The outer serrations will bite into the hole to seal it shut. After expanding, the tool will automatically reverse its spin to pull away from the pin.

Aluminum Sleeve—Aluminum-sleeved plugs weigh less than steel-sleeved plugs, and they’re better at resisting corrosion from air and water. However, they won’t handle pressures as high as steel-sleeved plugs. They’re ideal for plugging aluminum manifolds.

Black-Oxide Steel Sleeve—Steel-sleeved plugs handle pressures more than twice as high as aluminum-sleeved plugs. This makes them a better choice for hydraulic components.

	Installed Ht.	Max. Pressure, psi	Max. Temp., ° F	Thread Size	Pkg. Qty.		Pkg.
Aluminum Sleeve



	13/64"	11/64"	2,000	300	4-40	5	6272N11	000000


	6 mm	5 mm	2,000	300	M3 × 0.5 mm	5	6272N12	00000
	8 mm	6.5 mm	2,000	300	M4 × 0.7 mm	5	6272N13	00000
	10 mm	6.5 mm	2,000	300	M5 × 0.8 mm	5	6272N14	00000


	Black-Oxide Steel Sleeve



			13/64"	7/32"	4,500	300	4-40	5	6272N16	00000


			15/64"	1/4"	4,500	300	6-32	5	6272N17	00000
			4.5 mm	4 mm	4,500	300	M2 × 0.4 mm	5	6272N15	00000
			8 mm	8.5 mm	4,500	300	M4 × 0.7 mm	5	6272N18	00000
			10 mm	10.5 mm	4,500	300	M6 × 1 mm	5	6272N19	00000

Accessories for Bore Sealing Plugs

Bore Sealing Plug Installation Tools

					Air Connection			Body
For Thread Size	Stroke Lg.	Operating Pressure, psi	Pulling Force, lbf	Wt., lb.	Pipe Size	Thread Type	Gender	Dia.	Wd.	Head Lg.	Overall Ht.		Each



	4-40, 6-32, M2, M3, M4, M5, M6	0.04" to 0.28"	75 to 100	5,000	4	1/4	NPT	Female	4 5/16"	1"	10 1/4"	10 1/2"	6388N11	000000000

Mandrel and Nosepiece Sets

For Thread Size	Max. Thread Lg.	Includes		Each
4-40	45/64"	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N11	0000000
6-32	49/64"	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N12	000000
M2 × 0.4 mm	6 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N16	000000
M3 × 0.5 mm	11.8 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N26	000000
M4 × 0.7 mm	14.8 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N14	000000
M5 × 0.8 mm	15.6 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N27	000000
M6 × 1 mm	27.4 mm	Mandrel, Anvil, Hex Driver, Lock Nut, Sleeve	6408N15	000000