M10 Plungers | McMaster-Carr

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43 Products

Ball-Nose Spring Plungers

Align, position, and lock moving parts for most machining and assembly tasks. These spring plungers have a spring-loaded ball that compresses when a part presses against it, and then pops out into a notch or groove to hold the part in place. Unlike long-nose spring plungers, the ball rolls easily in and out of position, so they're a great fit for applications that require consistent, smooth movement, such as positioning parts in an assembly line and aligning fixtures and jigs when cutting or drilling.

Spring plungers are available with or without a threadlocker. Those with a threadlocker won't wiggle loose from vibration. Spring plungers without a threadlocker are easier to remove.

440C Stainless Steel Nose—The strongest, most wear-resistant stainless steel noses, these grind against hard metal surfaces without denting or scratching. However, they are not as corrosion resistant as 316 stainless steel.

Nylon Nose—Extra soft to avoid scratching delicate surfaces. Nylon is best for use on soft materials, such as aluminum. It will swell and weaken when exposed to moisture, however, so it should only be used in dry environments.

	Spring Plungers											Spring Plunger Drivers
		Nose, mm		Nose Force, lbf		Body		Drive Style
	Thread Size	Extended Lg.	Dia.	Extended	Compressed	Material	Lg., mm	Front	Back		Each		Each
440C Stainless Steel Nose


		M10 x 1.5 mm	2	6	1.8	3.4	18-8 Stainless Steel	19	Spring Plunger Driver	Slotted	85015A55	000000	3382A16	00000
		M10 x 1.5 mm	2	6	1.8	3.4	Steel	19	Spring Plunger Driver	Slotted	3391A39	0000	3382A16	0000
		M10 x 1.5 mm	2	6	4.5	7.8	18-8 Stainless Steel	19	Spring Plunger Driver	Slotted	85015A54	00000	3382A16	0000
		M10 x 1.5 mm	2	6	4.5	7.8	Steel	19	Spring Plunger Driver	Slotted	3391A38	0000	3382A16	0000
		M10 x 1.5 mm	2	6	13.4	20	18-8 Stainless Steel	19	Spring Plunger Driver	Slotted	85015A56	00000	3382A16	0000
		M10 x 1.5 mm	2	6	13.4	20	Steel	19	Spring Plunger Driver	Slotted	3391A41	0000	3382A16	0000

		Nylon Nose


				M10 x 1.5 mm	2	6	1.8	3.4	18-8 Stainless Steel	19	Spring Plunger Driver	Slotted	2277A59	00000	3382A16	0000
				M10 x 1.5 mm	2	6	1.8	3.4	Steel	19	Spring Plunger Driver	Slotted	2191A19	0000	3382A16	0000
				M10 x 1.5 mm	2	6	4.5	7.8	18-8 Stainless Steel	19	Spring Plunger Driver	Slotted	2277A58	00000	3382A16	0000
				M10 x 1.5 mm	2	6	4.5	7.8	Steel	19	Spring Plunger Driver	Slotted	2191A18	00000	3382A16	0000
				M10 x 1.5 mm	2	6	13.4	20	18-8 Stainless Steel	19	Spring Plunger Driver	Slotted	2277A61	00000	3382A16	0000
				M10 x 1.5 mm	2	6	13.4	20	Steel	19	Spring Plunger Driver	Slotted	2191A21	00000	3382A16	0000

Long-Nose Spring Plungers

Lock heavy moving parts securely in place. Often used in indexing applications, these have a longer nose than ball-nose spring plungers to withstand greater side forces without disengaging. The nose compresses when a part presses against it, and then pops out into deep notches or grooves for a strong hold.

Spring plungers are available with or without a threadlocker. Those with a threadlocker won't wiggle loose from vibration. Spring plungers without a threadlocker are easier to remove.

Steel Nose—The strongest, most wear-resistant noses, these won't deform from stress and vibration. Steel is best for dry environments, however, since moisture will cause it to rust.

18-8 Stainless Steel Nose—The choice for wet and outdoor environments, 18-8 stainless steel resists rusting. It's strong enough for most jobs, but won't withstand stress and vibration as well as steel.

Acetal Nose—The best plastic for damp and wet environments, acetal won't swell or lose strength if exposed to moisture. These noses are extra soft to avoid scratching delicate surfaces. They are best for use on soft materials, such as aluminum.

	Spring Plungers												Spring Plunger Drivers
		Nose, mm			Nose Force, lbf		Body		Drive Style
	Thread Size	Extended Lg.	Wd.	Dia.	Extended	Compressed	Material	Lg., mm	Front	Back		Each		Each
Steel Nose


		M10 x 1.5 mm	3	—	4	2	7.9	Black-Oxide Steel	22	Spring Plunger Driver	—	84995A49	00000	3382A16	00000
		M10 x 1.5 mm	3	—	4	5.6	15.7	Black-Oxide Steel	22	Spring Plunger Driver	—	84995A52	0000	3382A16	0000
		M10 x 1.5 mm	4.8	4.8	—	5.5	14.5	Black-Oxide Steel	28.6	External Hex	—	3360A81	00000	———	0

		18-8 Stainless Steel Nose


				M10 x 1.5 mm	3	—	4	2	7.9	18-8 Stainless Steel	22	Spring Plunger Driver	—	8502A29	00000	3382A16	0000
				M10 x 1.5 mm	3	—	4	5.6	15.7	18-8 Stainless Steel	22	Spring Plunger Driver	—	8502A32	0000	3382A16	0000

				Acetal Nose


						M10 x 1.5 mm	3	—	4	2	7.9	18-8 Stainless Steel	22	Spring Plunger Driver	—	8339A27	00000	3382A16	0000
						M10 x 1.5 mm	3	—	4	2	7.9	Steel	22	Spring Plunger Driver	—	8281A27	0000	3382A16	0000
						M10 x 1.5 mm	3	—	4	2.2	8.7	18-8 Stainless Steel	22	Spring Plunger Driver	—	8339A16	00000	3382A16	0000
						M10 x 1.5 mm	3	—	4	2.2	8.7	Black-Oxide Steel	22	Spring Plunger Driver	—	8281A16	0000	3382A16	0000
						M10 x 1.5 mm	3	—	4	5.6	15.7	18-8 Stainless Steel	22	Spring Plunger Driver	—	8339A22	00000	3382A16	0000
						M10 x 1.5 mm	3	—	4	5.6	15.7	Steel	22	Spring Plunger Driver	Slotted	8281A22	0000	3382A16	0000
						M10 x 1.5 mm	4.8	—	4.7	5.5	14.5	Black-Oxide Steel	28.6	—	Hex	2467A39	00000	———	0

Knob-Grip Retractable Spring Plungers

With the most versatile handle we offer, these fit in tight spaces while still giving you something to grab. A tug retracts the nose so you can make controlled adjustments. Use these spring plungers for everything from positioning workpieces to changing the height of tables and platforms.

Spring plungers are available with or without a threadlocker. Those with a threadlocker won't wiggle loose from vibration. Spring plungers without a threadlocker are easier to remove.

Steel Nose—The strongest, most wear-resistant noses, these won't deform from stress and vibration. Steel is best for dry environments, however, since moisture will cause it to rust.

Twist-to-Lock—Free up both hands to adjust your workpiece or switch out parts without the plunger springing back and getting in the way. Pull back the handle and twist to lock the nose in its retracted position.

			Nose, mm		Nose Force, lbf		Body		Handle		Nonlocking		Twist-to-Lock
	Thread Size	Thread Lg., mm	Extended Lg.	Dia.	Extended	Compressed	Material	Lg., mm	Material	Dia., mm		Each		Each
Steel Nose


		M10 x 1.5 mm	18.7	6	4.7	1	8	Zinc-Plated Steel	33	Steel	19	———	0	84915A85	000000
		M10 x 1.5 mm	19	6	5	1	8	Zinc-Plated Steel	32	Steel	19	84915A53	000000	———	0
		M10 x 1.5 mm	20	5	6	0.2	2	Black-Oxide Steel	38	Acetal	19	8497A64	00000	8497A54	00000

		18-8 Stainless Steel Nose


				M10 x 1.5 mm	19	6	5	1	8	18-8 Stainless Steel	32	18-8 Stainless Steel	19	84935A63	00000	———	0
				M10 x 1.5 mm	20	5	6	0.2	2	18-8 Stainless Steel	38	Acetal	19	3350A42	00000	3350A18	00000

Ring-Grip Retractable Spring Plungers

Spring Plunger

Loop a lanyard through the ring to secure these spring plungers to machinery and prevent accidental drops. Pull the ring back to manually retract the nose and position, align, and lock components as needed for your job.

Spring plungers are available with or without a threadlocker. Those with a threadlocker won't wiggle loose from vibration. Spring plungers without a threadlocker are easier to remove.

Steel Nose—The strongest, most wear-resistant noses, these won't deform from stress and vibration. Steel is best for dry environments, however, since moisture will cause it to rust.

			Nose, mm		Nose Force, lbf		Body		Handle		Twist-to-Lock
	Thread Size	Thread Lg., mm	Extended Lg.	Dia.	Extended	Compressed	Material	Lg., mm	Material	Dia., mm		Each
Steel Nose


		M10 x 1.5 mm	30.5	9.5	6	2	4	Zinc-Plated Steel	43	Steel	25	8487A39	000000

		18-8 Stainless Steel Nose


				M10 x 1.5 mm	30.5	9.5	6	2	4	18-8 Stainless Steel	43	18-8 Stainless Steel	25	8500A37	00000

L-Handle Retractable Spring Plungers

The L-handle on these spring plungers takes up less space than a T-handle and swivels to avoid obstacles. Pull it back to manually retract the nose and position, align, and lock components as needed for your job.

Spring plungers are available with or without a threadlocker. Those with a threadlocker won't wiggle loose from vibration. Spring plungers without a threadlocker are easier to remove.

Steel Nose—The strongest, most wear-resistant noses, these won't deform from stress and vibration. Steel is best for dry environments, however, since moisture will cause it to rust.

			Nose, mm		Nose Force, lbf		Body		Handle			Nonlocking		Twist-to-Lock
	Thread Size	Thread Lg., mm	Extended Lg.	Dia.	Extended	Compressed	Material	Lg., mm	Material	Lg., mm	Drive Style		Each		Each
Steel Nose


		M10 x 1.5 mm	19	7.8	6.4	0.3	1.3	Zinc-Plated Steel	29	Steel	19	External Hex	8498A52	000000	———	0
		M10 x 1.5 mm	33	14	6	0.8	3.8	Zinc-Plated Steel	51	Steel	24	External Hex	8498A56	00000	———	0
		M10 x 1.5 mm	33	14	6	0.8	3.8	Zinc-Plated Steel	51	Steel	25.75	External Hex	———	0	8501A55	000000

		18-8 Stainless Steel Nose


				M10 x 1.5 mm	19	7.8	6.4	0.3	1.3	18-8 Stainless Steel	29	18-8 Stainless Steel	19	External Hex	8690A21	00000	———	0
				M10 x 1.5 mm	33	14	6	0.8	3.8	18-8 Stainless Steel	51	18-8 Stainless Steel	24	External Hex	8690A25	00000	———	0
				M10 x 1.5 mm	33	14	6	0.8	3.8	18-8 Stainless Steel	51	18-8 Stainless Steel	25.75	External Hex	———	0	8501A58	00000

T-Handle Retractable Spring Plungers

With the widest grip, T-handles give you the most leverage of all our handles and are the easiest to grab with gloved or slippery hands. A tug manually retracts the nose so you can do everything from latching heavy, frequently-accessed doors to locking large cutting blades in place.

Spring plungers are available with or without a threadlocker. Those with a threadlocker won't wiggle loose from vibration. Spring plungers without a threadlocker are easier to remove.

Steel Nose—The strongest, most wear-resistant noses, these won't deform from stress and vibration. Steel is best for dry environments, however, since moisture will cause it to rust.

			Nose, mm		Nose Force, lbf		Body		Handle		Twist-to-Lock
	Thread Size	Thread Lg., mm	Extended Lg.	Dia.	Extended	Compressed	Material	Lg., mm	Material	Lg., mm		Each
Steel Nose


		M10 x 1.5 mm	30.5	9.5	6	2	4	Zinc-Plated Steel	43	Steel	38	31265A37	000000

		18-8 Stainless Steel Nose


				M10 x 1.5 mm	30.5	9.5	6	2	4	18-8 Stainless Steel	43	18-8 Stainless Steel	38	31265A27	00000

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose.

	For Spring Plunger Nose Type		Each
Steel


	3/8"-16, M10	Ball, Long	3382A16	00000

Thread-In Quick-Release Pin Receptacles

Use a screwdriver to install these receptacles in a threaded hole. Use them to secure quick-release pins when you can't drill a through hole. They're made of 18-8 stainless steel for a balance of strength and corrosion resistance, and passivated for added protection against corrosion and oxidation.

	Barrel OD, mm	Overall Lg., mm	Usable Lg. Reduction, mm	Thread Size	Material	Passivation		Each
Round Mounting Flange


	5	10	14	3	M10 × 1.5 mm	18-8 Stainless Steel	Passivated	94715A302	000000