M14 Bushings | McMaster-Carr

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DFARS Specialty Metals

90 Products

Mounts for Round Body Hydraulic Cylinders

Instead of attaching your round body air cylinder directly to equipment, add a mount to best suit your application.

Rod End Nut for Universal Mount Air Cylinders

Rod end nuts are internally threaded. They have an eyelet to make pivoting and hinge movements.

For Bore Size, mm	Overall Dia., mm	ID, mm	Thread Size	Material	Gender		Each
32	24	12	M14 × 1.5 mm	Nickel-Plated Steel	Female	6024N45	000000

Key-Locking Threaded Inserts for Soft Metal

Add strong threads in soft metal, such as aluminum. The keys on these inserts drive into holes to hold more securely than thread-locking or helical inserts. They prevent slipping and rotating, so they’re stable enough for use in vehicle or aerospace parts that experience heavy vibration. These inserts are comparable to Keensert inserts.

To install, drill and tap a hole in your material. Then, thread the insert onto the installation tool and screw it into the hole. Place the tool over the keys and hit it with a hammer to drive them in.

Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.

Thin Wall—Use these inserts near the edge of workpieces or wherever you only have space for a small hole. They're also lighter than standard and extra-thick wall inserts for applications with strict weight limitations.

Black Phosphate-Coated Steel—These inserts resist occasional moisture.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Inserts									Installation Tools		Inserts with Installation Tools
								Each
	Thread Size	For Tap Thread Size	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys		1-9	10-Up		Each	No. of Inserts Included		Each
Standard Wall







				Black Phosphate-Coated Steel

				M8 x 1 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	90245A347	000000	000000	94010A485	000000	—	———	0


				M8 x 1.25 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	90245A284	00000	00000	94010A485	00000	—	———	0
				M14 x 1.5 mm	M20 x 1.5 mm	20 mm	18.75 mm	18.75 mm	4	90245A185	00000	00000	94010A340	00000	4	90245A306	000000
				M14 x 2 mm	7/8"-14	0.810"	53/64"	0.828"	4	90699A330	00000	00000	90699A565	00000	3	90699A130	00000
				M14 x 2 mm	M20 x 1.5 mm	20 mm	18.75 mm	18.75 mm	4	90245A186	00000	00000	94010A340	00000	4	90245A301	00000




						18-8 Stainless Steel

						M8 x 1 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	93340A101	00000	00000	94010A485	00000	—	———	0


						M8 x 1.25 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	93715A385	00000	00000	94010A485	00000	—	———	0
						M14 x 1.5 mm	M20 x 1.5 mm	20 mm	18.75 mm	18.75 mm	4	93715A650	00000	00000	94010A340	00000	—	———	0
						M14 x 2 mm	7/8"-14	0.810"	53/64"	0.828"	4	93930A214	00000	00000	90699A565	00000	—	———	0
						M14 x 2 mm	M20 x 1.5 mm	20 mm	18.75 mm	18.75 mm	4	93715A645	00000	00000	94010A340	00000	4	93715A455	000000


						Thin Wall







										Black Phosphate-Coated Steel

										M10 x 1.25 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	90245A174	0000	0000	94010A330	00000	4	90245A165	00000


										M10 x 1.5 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	90245A175	0000	0000	94010A330	00000	4	90245A166	00000




												18-8 Stainless Steel

												M10 x 1.25 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	93715A630	00000	00000	94010A330	00000	4	93715A435	00000


												M10 x 1.5 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	93715A625	00000	00000	94010A330	00000	4	93715A440	00000

Bearing Locknuts

Carbon Steel

With a nylon insert that grips your threaded shaft or spindle without damaging its threads, these locknuts—also called shaft nuts—hold bearings, bushings, gears, and pulleys prone to vibration tightly in place. They come as one piece, so you can easily clamp them onto your shaft or spindle. But, since they aren’t made entirely of metal, they don’t stand up to heat as well as all-metal locknuts. Slots in their sides mean you can tighten and loosen them with a spanner wrench or spanner socket. Their face is also chamfered to help keep the size and weight of your assembly at a minimum. All meet international standards for bearing locknut dimensions.

Zinc-Plated Carbon Steel—Zinc-plated carbon steel locknuts resist rusting from some moisture, but you shouldn’t use them with salt water or chemicals. They are strong and resist wear, though they don’t stand up to corrosion as well as 303 stainless steel locknuts.

Thread Spacing—When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.

	Thread					Zinc-Plated Carbon Steel
	Size	Spacing	OD, mm	Wd., mm	Insert Max. Temp., ° F		Each
Chamfered Face



		M14 × 1 mm	Extra Fine	24	8.5	210	3552N17	000000


		M14 × 1.5 mm	Fine	24	10.5	210	3552N18	00000

Ball Screws and Nuts


	Ball Nuts Flange Nut Style C

Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, they have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread direction and size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.

Platform Ball Nuts—Right-Hand Threaded

Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Platform Nut, Ball Nuts.

Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.

	Lg., mm	Wd., mm	Ht., mm	Ctr. Ht., mm	No. of Thread Starts	Travel Distance per Turn, mm	Hardness	Dynamic Thrust Load Cap., lb.	Max. Backlash, mm	Temp. Range, ° F		Each
Alloy Steel



	M14	35	34	30	13	1	4	Rockwell C58	1,200	0.1	5 to 175	6624K73	0000000

Flange Ball Nuts—Right-Hand Threaded

Style C

Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.

					Flange, mm
	Style	Thread Size	Lg., mm	Dia., mm	Wd.	Ht.	Thk.	No. of Thread Starts	Travel Distance per Turn, mm	Hardness	Dynamic Thrust Load Cap., lb.	Max. Backlash, mm	Temp. Range, ° F		Each
Alloy Steel



		C	M14	40	31	50	37	10	1	4	Rockwell C58	1,200	0.1	5 to 175	6624K72	0000000

Helical Threaded Inserts For Spark Plug Repair


For Gasket Seats	For Gasket and Taper Seats

Replace stripped spark plugs in engines. These kits include helical inserts that fit common hole sizes, plus a tap and an installation tool. Also known as Heli-Coil inserts.

Inserts For Gasket Seats—Use these helical inserts in spark plug ports with a gasket. They cannot be used with taper seat ports.

Inserts For Gasket and Taper Seats—Although they're designed to fit in taper seat spark plug ports, you can also use these inserts in ports with a gasket seat.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Includes		Each
Inserts For Gasket Seats







	18-8 Stainless Steel

	M14 x 1.25 mm	Extra Fine	30	Installation Tool M14×1.25 mm Thread × 0.472" Insert Reach (6 Each) M14×1.25 mm Thread × 1/2" Insert Reach (6 Each) M14×1.25 mm Thread × 3/4" Insert Reach (6 Each) M14×1.25 mm Thread × 3/8" Insert Reach (6 Each) M14×1.25 mm Thread × 7/16" Insert Reach (6 Each) Through-Hole Tap	91732A091	0000000


	Inserts For Gasket and Taper Seats







					18-8 Stainless Steel

					M14 x 1.25 mm	Extra Fine	3	Installation Tool M14×1.25 mm Thread × Long Insert Reach (1 Each) M14×1.25 mm Thread × Normal Insert Reach (1 Each) M14×1.25 mm Thread × Short Insert Reach (1 Each) Through-Hole Tap	91732A095	00000


					M14 x 1.25 mm	Extra Fine	18	Installation Tool M14×1.25 mm Thread × Long Insert Reach (6 Each) M14×1.25 mm Thread × Normal Insert Reach (6 Each) M14×1.25 mm Thread × Short Insert Reach (6 Each) Through-Hole Tap	91732A097	000000

Key-Locking Threaded Inserts with Installation Tools

Paired with the right tool for installation, these inserts create strong threads in soft metal, such as aluminum. They have keys that drive into material to prevent inserts from slipping and rotating in the hole.

Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.

Black Phosphate-Coated Steel—These inserts resist occasional moisture.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys	No. of Inserts Included		Each
Standard Wall







	Black Phosphate-Coated Steel

	M14 x 1.5 mm	M20 x 1.5 mm	20 mm	18.75 mm	18.75 mm	4	4	90245A306	000000


	M14 x 2 mm	7/8"-14	0.810"	53/64"	0.828"	4	3	90699A130	00000
	M14 x 2 mm	M20 x 1.5 mm	20 mm	18.75 mm	18.75 mm	4	4	90245A301	00000




			18-8 Stainless Steel

			M14 x 2 mm	M20 x 1.5 mm	20 mm	18.75 mm	18.75 mm	4	4	93715A455	000000


			Thin Wall







							Black Phosphate-Coated Steel

							M10 x 1.25 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	4	90245A165	00000


							M10 x 1.5 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	4	90245A166	00000




									18-8 Stainless Steel

									M10 x 1.25 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	4	93715A435	00000


									M10 x 1.5 mm	M14 x 1.5 mm	14 mm	12.8 mm	12.8 mm	4	4	93715A440	00000

Round Body Hydraulic Cylinders

Sensor Shown with Air

Cylinder (Sold Separately)


Hydraulic Cylinder	Flanges	Rod End Nuts	Sensor

Image of Attribute. Side1 orientation. Contains Annotated. Round Body Hydraulic Cylinders.

More compact than hydraulic cylinders with external tie rods, these cylinders have a round body that fits better into tight spaces and have a more streamlined appearance. To further minimize their footprint, they operate without an air cushion. These cylinders are double acting, meaning they both push and pull loads. They use two hydraulic ports, one to extend the piston and one to retract it. Because the piston is magnetic, these can be used with sensors (sold separately) to indicate piston position.

						Rod			Inlet/Outlet Connection
Stroke Lg., mm	Body Lg., mm	Max. Push Force, lbf	Max. Pull Force, lbf	Retracted Lg., mm	Extended Lg., mm	Thread Size	Dia., mm	Overall Dia., mm	Pipe Size	Dash Size	Thread Type	Body Material	Max. Pressure, psi	Cylinder Cushion Type		Each







			32 mm Diameter Bore

			25	112	624	384	184	209	M14 × 1.5 mm	16	40	1/8	02	BSPT	Aluminum	500	None	6024N24	000000


			50	137	624	384	209	259	M14 × 1.5 mm	16	40	1/8	02	BSPT	Aluminum	500	None	6024N25	00000
			75	162	624	384	234	309	M14 × 1.5 mm	16	40	1/8	02	BSPT	Aluminum	500	None	6024N26	00000
			100	187	624	384	259	359	M14 × 1.5 mm	16	40	1/8	02	BSPT	Aluminum	500	None	6024N27	00000
			125	212	624	384	284	409	M14 × 1.5 mm	16	40	1/8	02	BSPT	Aluminum	500	None	6024N28	00000
			150	237	624	384	309	459	M14 × 1.5 mm	16	40	1/8	02	BSPT	Aluminum	500	None	6024N29	00000

Accessories for Hydraulic Cylinders

For Bore Size, mm	Wd., mm	Ht., mm	Thk., mm	Mounting Fasteners Included	Material		Each
32	72	50	9	No	Steel	6024N39	000000

For Bore Size, mm	Overall Dia., mm	ID, mm	Ctr. Lg., mm	Gender	Thread Size	Mounting Hardware Included	Material		Each
32, 40	24	12	50	Female	M14 × 1.5 mm	No	Nickel-Plated Steel	6458N36	00000

Sensors

		24V AC/DC, 48V AC/DC, 100V AC/DC, Reed-Switch Sensor		24V DC, NPN Sensors			24V DC, PNP Sensors
For Bore Size, mm	Includes		Each	With Switch Component		Each	With Switch Component		Each
32	Mounting Bracket	6024N213	000000	LED	6024N217	000000	LED	6024N222	000000

Thread-Locking Threaded Inserts

With Loctite® adhesive already on the threads, these inserts won’t back out or vibrate loose. The adhesive reaches full strength after 72 hours. Unlike helical inserts, you can install them with a standard drill and tap. However, thread-locking inserts are difficult to remove and reuse.

After drilling and tapping your hole, install inserts with a wrench or an installation bit. To use a wrench, thread an insert and two hex nuts onto a bolt. Then, grip and turn the top nut to drive into the hole. For slotted inserts, you can drive with a slotted screwdriver instead.

Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.

Black Phosphate-Coated Steel—These inserts resist occasional moisture.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Inserts									Installation Tools
	Thread Size	For Tap Thread Size	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	Drive Style	Pkg. Qty.		Pkg.		Each
Standard Wall







				Black Phosphate-Coated Steel

				M14 x 1.25 mm	3/4"-16	0.328"	11/16"	0.688"	—	5	90248A092	000000	———	0


				M14 x 1.25 mm	3/4"-16	0.453"	11/16"	0.688"	—	5	90248A095	00000	———	0
				M14 x 1.25 mm	3/4"-16	0.703"	11/16"	0.688"	—	1	97084A315	0000	———	0
				M14 x 1.25 mm	M18 x 1.5 mm	11.5 mm	16.5 mm	16.5 mm	—	1	97084A314	0000	———	0
				M14 x 2 mm	7/8"-9	0.688"	49/64"	0.766"	Slotted	5	97084A150	00000	94110A180	000000




						18-8 Stainless Steel

						M14 x 2 mm	7/8"-9	0.688"	49/64"	0.766"	Slotted	1	97120A150	0000	94110A180	00000

Steel Socket Nuts

Also known as Allen nuts, use these with socket head cap screws in recessed holes and tight spaces that don't have enough clearance for a wrench. Tighten them with a 6-point hex key. They can also be used as an insert by pressing or drawing them into nonhardened steel, cast iron, or soft nonferrous metal or by molding them into plastic, ceramic, fiber, and similar materials. Made from alloy steel, they're comparable in strength to Grade 9 bolts.

	OD, mm	Ht., mm	Threading	Thread Dp., mm	For Hole Dia., mm	Hex Key Size		Each
Alloy Steel



	M14 × 2 mm	20	24	Partially Threaded	11.4	21.1	1/2"	92066A121	000000

Key-Locking Threaded Insert Assortments with Installation Tools

What you need to add or repair a range of thread sizes in soft metal, such as aluminum. These assortments include multiple key-locking inserts of each size and an installation tool. They're comparable to Keensert inserts.

Black Phosphate-Coated Steel—These inserts resist occasional moisture.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

				For Tap
	No. of Inserts Included	Includes	Thread Spacing	Thread Size	Thread Pitch, mm	Drill Bit Size, mm	For Max. Hole Dia., mm		Each
Thin Wall







				Black Phosphate-Coated Steel

				82	Installation Tool M6×1 mm Thread × 10 mm Installed Lg. (20 Each) M8×1 mm Thread × 12 mm Installed Lg. (15 Each) M8×1.25 mm Thread × 12 mm Installed Lg. (15 Each) M10×1.25 mm Thread × 14 mm Installed Lg. (10 Each) M10×1.5 mm Thread × 14 mm Installed Lg. (10 Each) M12×1.25 mm Thread × 16 mm Installed Lg. (6 Each) M12×1.75 mm Thread × 16 mm Installed Lg. (6 Each)	Coarse, Fine, Extra Fine	M10 M12 M14 M16	1.25 1.5	8.8 10.8 12.8 14.75	8.8 10.8 12.8 14.75	90284A311	0000000




						18-8 Stainless Steel

						82	Installation Tool M6×1 mm Thread × 10 mm Installed Lg. (20 Each) M8×1 mm Thread × 12 mm Installed Lg. (15 Each) M8×1.25 mm Thread × 12 mm Installed Lg. (15 Each) M10×1.25 mm Thread × 14 mm Installed Lg. (10 Each) M10×1.5 mm Thread × 14 mm Installed Lg. (10 Each) M12×1.25 mm Thread × 16 mm Installed Lg. (6 Each) M12×1.75 mm Thread × 16 mm Installed Lg. (6 Each)	Coarse, Fine, Extra Fine	M10 M12 M14 M16	1.25 1.5	8.8 10.8 12.8 14.75	8.8 10.8 12.8 14.75	90284A511	000000

Helical Threaded Inserts

Pronged

Restore, reinforce, or create threads in metal. The tough coils on these inserts expand once installed to anchor in a tapped hole. Also known as Heli-Coil inserts, they're often used in engine heads and machinery housings where strong connections are critical. Unlike threadlocking inserts, you can remove and reuse them without them losing their strength.

Installation requires a drill bit, a helical insert tap, and an installation tool.

Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Inserts								Through-Hole Taps		Closed-End Hole Taps		Installation Tools		Inserts with Installation Tools
	Thread Size	Installed Lg., mm	Drill Bit Size	For Max. Hole Dia.	Specs. Met	Pkg. Qty.		Pkg.		Each		Each		Each	No. of Inserts Included		Each
Pronged







				18-8 Stainless Steel

				M14 x 1.5 mm	21	37/64"	0.578"	SAE MA3279-165	5	91732A303	000000	91709A659	000000	91709A560	0000000	90261A199	0000000	5	91732A826	0000000


				M14 x 2 mm	14	14.5 mm	14.5 mm	DIN 8140, SAE MA3279-116	5	91732A658	00000	91709A368	000000	91709A563	000000	90261A198	000000	—	———	0
				M14 x 2 mm	21	14.5 mm	14.5 mm	DIN 8140, SAE MA3279-166	1	91732A671	0000	91709A368	000000	91709A563	000000	90261A198	000000	12	91732A068	000000

Extraction Tools

Remove installed helical inserts.

For Pronged Helical Inserts—Place the tip into pronged inserts and lightly strike the tool’s head. Then, turn the tool counterclockwise with pressure to extract the insert.

		Each
For Pronged Helical Inserts



	7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20, 1/2"-28, 9/16"-12, 9/16"-18, 5/8"-11, 5/8"-18, 5/8"-24, 3/4"-10, 3/4"-16, 3/4"-20, 7/8"-9, 7/8"-14, 7/8"-20, 1"-8, 1"-12, 1"-14, M12, M14, M16, M18, M20, M22, M24	90254A330	000000

Stainless Steel Socket Nuts

These nuts are chemical resistant and may be mildly magnetic. Also known as Allen nuts, use them with socket head cap screws in recessed holes and tight spaces that don't have enough clearance for a wrench. Tighten them with a 6-point hex key. They can also be used as an insert by pressing or drawing them into nonhardened steel, cast iron, or soft nonferrous metal or by molding them into plastic, ceramic, fiber, and similar materials.

	OD, mm	Ht., mm	Threading	Thread Dp., mm	For Hole Dia., mm	Hex Key Size		Each
18-8 Stainless Steel



	M14 × 2 mm	20	21.3	Partially Threaded	11.4	21.1	1/2"	90372A125	000000

Mil.-Spec. Key-Locking Threaded Inserts For Soft Metal

These inserts are manufactured and tested to meet or compare to strict standards adopted by the U.S. military. The keys drive into aluminum and other soft metal for a secure hold that won't slip or rotate, even in vibrating vehicle or aerospace parts. These inserts are comparable to Keensert inserts.

Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.

High-Strength Cadmium-Plated Alloy Steel—These inserts have the strength to stand up to high-pressure applications and a plating that helps screws thread in smoothly.

	Inserts									Installation Tools
	Thread Size	For Tap Thread Size	Installed Lg., mm	Drill Bit Size, mm	For Max. Hole Dia., mm	No. of Locking Keys	Specs. Met		Each		Each
Standard Wall







				High-Strength Cadmium-Plated Alloy Steel

				M8 x 1 mm	M14 x 1.5 mm	14	12.8	12.8	4	NA0150-080	95101A161	000000	93904A789	000000


				Thin Wall







								High-Strength Cadmium-Plated Alloy Steel

								M10 x 1.25 mm	M14 x 1.5 mm	14	12.8	12.8	4	NA0148-100	95101A153	00000	93904A783	00000


								M10 x 1.5 mm	M14 x 1.5 mm	14	12.8	12.8	4	NA0148-100	95101A152	00000	93904A783	00000

Screw-Locking Seize-Resistant Key-Locking Threaded Inserts for Soft Metal

Create the tightest hold in aluminum and other soft metal without screws sticking. The lubricant on these inserts eases installation, and the irregularly shaped threads won’t let screws back out from vibration. Inserts have keys that drive into material to prevent them from slipping or rotating in the hole.

Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.

Dry-Film-Lubricated Cadmium-Plated Steel—The plating creates a barrier against rust.

Dry-Film-Lubricated 18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Inserts								Installation Tools
	Thread Size	For Tap Thread Size	Installed Lg., mm	Drill Bit Size, mm	For Max. Hole Dia., mm	No. of Locking Keys		Each		Each
Standard Wall







				Dry-Film-Lubricated 18-8 Stainless Steel

				M8 x 1 mm	M14 x 1.5 mm	14	12.8	12.8	4	97255A224	000000	93904A789	000000


				M8 x 1.25 mm	M14 x 1.5 mm	14	12.8	12.8	4	97255A225	00000	93904A789	00000


				Thin Wall







								Dry-Film-Lubricated Cadmium-Plated Steel

								M10 x 1.5 mm	M14 x 1.5 mm	14	12.8	12.8	4	97255A315	00000	93904A783	00000




										Dry-Film-Lubricated 18-8 Stainless Steel

										M10 x 1.5 mm	M14 x 1.5 mm	14	12.8	12.8	4	97255A186	00000	93904A783	00000

Thin-Profile Bearing Nuts

Used in pairs or with another bearing nut, these thin-profile nuts—often called shaft nuts—hold bearings, bushings, pulleys, and gears in place on your threaded shaft or spindle. Threading two nuts tightly against each other makes it harder for vibration to loosen your assembly than if you used only one nut. For the nut closer to the bearing, position the stepped face towards the bearing. These thin-profile nuts have holes on the side, so you can tighten and loosen them with a pin spanner wrench. All meet DIN 1816, an international standard for bearing locknut dimensions.

Carbon Steel—Carbon steel bearing nuts are strong and resist wear.

Thread Spacing—When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.

	Thread
	Size	Spacing	OD, mm	Wd., mm	Specs. Met		Each
Carbon Steel







				Stepped Face

				M14 × 1.5 mm	Fine	30	7	DIN 1816	3549N13	000000

Screw-Locking Helical Threaded Inserts

Pronged

The irregularly shaped threads tightly grip screws to prevent them from loosening or backing out under vibration. Use these inserts to create or repair threads in pumps and other machinery that shakes and rattles. Also known as Heli-Coil inserts.

Installation requires a drill bit, a helical insert tap, and an installation tool.

Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Inserts								Through-Hole Taps		Closed-End Hole Taps		Installation Tools
	Thread Size	Installed Lg., mm	Drill Bit Size	For Max. Hole Dia.	Specs. Met	Pkg. Qty.		Pkg.		Each		Each		Each
Pronged







				18-8 Stainless Steel

				M14 x 1.5 mm	21	37/64"	0.578"	DIN 8140, SAE MA3329-165	1	90296A414	00000	91709A659	000000	91709A560	0000000	90261A199	0000000


				M14 x 2 mm	14	14.5 mm	14.5 mm	SAE MA3329-116	1	90296A412	0000	91709A368	000000	91709A563	000000	90261A198	000000
				M14 x 2 mm	21	14.5 mm	14.5 mm	DIN 8140, SAE MA3329-166	1	90296A416	0000	91709A368	000000	91709A563	000000	90261A198	000000

Quarter-Turn Quick-Change Fixture Clamps

Install these clamps into fixture plates, machine subplates, and tombstones to quickly swap components in or out of your machining setup. They lock or unlock with the turn of a knob. Since they locate while they clamp, you can accurately position components with repeatability of ±0.1".

For accurate positioning, use at least two sets of clamps and cam receptacles. Install receptacles into a base plate and clamps into a fixture plate. Line up the two plates, insert the clamps into the receptacles, then turn the knobs to secure your fixture in place. If you need more holding capacity, use additional clamps and receptacles.

Cam Receptacles

Thread In

Thread In—Thread-in receptacles have a threaded body for installation in a tapped hole. You hold them in place with the included nut, so they’re good for thin base plates.

	For Fixture Plate Thk.
	Min.	Max.	For Clamp Shank Dia., mm	Dia.	Thk.	Thread Size	Material		Each
Thread In



		1/4"	3/8"	5	1"	5/8"	M14 × 1.5 mm	Nickel-Plated Steel	9952N123	000000

Tapping Threaded Insert Assortments for Soft Metal

Cut a variety of thread sizes into aluminum and other soft metal—no taps required. These inserts cut their own threads and lock into material, so they won’t budge when you install or remove a screw. To install inserts with a wrench, thread an insert and two hex nuts onto a bolt. Then, grip and turn the top nut to drive into a drilled hole. If you need to add a lot of threaded connections quickly, use an installation tool (not included) with a ratchet wrench or drill press. These inserts are comparable to Tap-Lok inserts.

Zinc-Plated Steel—A step up from plain steel, the plating withstands occasional exposure to moisture.

	Includes	Drill Bit Size	For Max. Hole Dia.		Each
Zinc-Plated Steel



	70	M3.5x0.6 mm Thread x 8 mm Installed Lg. (5 Each) M3x0.5 mm Thread x 6 mm Installed Lg. (5 Each) M4x0.7 mm Thread x 8 mm Installed Lg. (5 Each) M5x0.8 mm Thread x 10 mm Installed Lg. (10 Each) M6×1 mm Thread × 12 mm Installed Lg. (10 Each) M8x1.25 mm Thread x 14 mm Installed Lg. (10 Each) M10x1.5 mm Thread x 18 mm Installed Lg. (10 Each) M12x1.75 mm Thread x 22 mm Installed Lg. (10 Each) M14x2.0 mm Thread x 24 mm Installed Lg. (5 Each)	3/16" 19/64" 7/16" 33/64" 19/32" 43/64" 2 Ga. B V	0.188" 0.221" 0.238" 0.297" 0.377" 0.438" 0.516" 0.594" 0.672"	93491A120	0000000

Bearing Nuts

Carbon Steel

Stepped Face

Often paired with spring lock washers to strengthen their hold, these bearing nuts—also known as shaft nuts—keep vibration from shifting bearings, bushings, pulleys, and gears on your threaded shaft or spindle. They have slotted sides, so you can tighten and loosen them with a spanner wrench or spanner socket.

Carbon Steel—Carbon steel bearing nuts are strong and resist wear.

Stepped Face—Use stepped-face bearing nuts with DIN 462 spring lock washers. You can also use them in pairs or with other bearing nuts. For the nut closer to the bearing, position the stepped face towards the bearing. All meet DIN standards for bearing lockout dimensions.

Thread Spacing—When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.

	Nuts								Bearing Lock Washers
	Thread
	Size	Spacing	OD, mm	Wd., mm	Specs. Met	For Lock Washer Specs. Met		Each		Each
Carbon Steel







				Stepped Face

				M14 × 1.5 mm	Fine	30	7	DIN 1804	DIN 462	3564N13	000000	90407A114	00000

Helical Threaded Inserts with Installation Tools

Drill Bit, Installation Tool

and Through-Hole Tap

Quickly restore stripped threads—these inserts come with through-hole taps and installation tools. The tough coils on these inserts expand once installed to anchor in a tapped hole.

Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	For Max. Hole Dia.	No. of Inserts Included	Includes		Each
Pronged







	18-8 Stainless Steel

	M14 x 1.5 mm	21	14.25 mm	0.563"	5	Drill Bit Installation Tool Through-Hole Tap	91732A826	0000000


	M14 x 2 mm	21	37/64"	0.578"	12	Drill Bit Installation Tool Through-Hole Tap	91732A068	000000

Finish-Your-Own Key-Locking Threaded Inserts for Soft Metal

Tap the thread size you need into the solid body of these inserts. They’re a great choice when you need a custom combination of internal thread size and external diameter. Use them to repair or add new threads in soft metal, such as aluminum. They can also plug threaded holes without the hassle of welding. Keys on the inserts drive into material to prevent slipping and rotating in the hole.

Black Phosphate-Coated Steel—These inserts resist occasional moisture.

18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.

	Inserts								Installation Tools
	For Tap Thread Size	Installed Lg., mm	Max. Tapping Dia., mm	Drill Bit Size, mm	For Max. Hole Dia., mm	No. of Locking Keys		Each		Each
Standard Profile







				Black Phosphate-Coated Steel

				M14 x 1.5 mm	14	10	12.8	12.8	4	93774A270	000000	93741A270	0000000




						18-8 Stainless Steel

						M14 x 1.5 mm	14	10	12.8	12.8	4	93543A210	00000	93741A270	000000

Tapping Threaded Inserts for Soft Metal

No need to tap the hole, these inserts cut their own threads into soft metal, such as aluminum. The teeth dig into the material to keep them secure when installing and removing screws. To install inserts with a wrench, thread an insert and two hex nuts onto a bolt. Then, grip and turn the top nut to drive into a drilled hole. If you need to add a lot of threaded connections quickly, use an installation tool with a ratchet wrench or drill press. These inserts are comparable to Tap-Lok inserts.

Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes and replacing drilled out threads.

Zinc-Plated Steel—A step up from plain steel, the plating withstands occasional exposure to moisture.

	Inserts						Installation Tools
	Thread Size	Installed Lg., mm	Drill Bit Size, mm	For Max. Hole Dia., mm		Each		Each
Standard Wall







				Zinc-Plated Steel

				M14 x 2 mm	25.4	19.5	19.5	90240A611	000000	90240A408	0000000