1 1/2"-12 Adapters | McMaster-Carr

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13 Products

About Threaded Inserts

Choose the right threaded insert for your application and learn how to install it securely.

About Rod Ends

Made of stainless steel, these inserts have good corrosion resistance. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. Use them to repair or change threads in soft metals such as aluminum. Inserts may be mildly magnetic. They’re comparable to Keensert inserts. Installation requires a drill bit, a standard tap, an installation tool, and a hammer.

Inserts with an extra-thick wall are stronger than thick- and thin-wall inserts. Use them to reduce the size of tapped holes.

Inch

Inserts
							Each		Installation Tools
Thread Size	For Tap Thread Size	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys		1-9	10-Up		Each
18-8 Stainless Steel with Extra Thick Wall
1"-8	1 1/2"-12	1 3/8"	1 7/16"	1.438"	4	000000000	0000000	0000000	000000000	000000

Mil. Spec. 18-8 Stainless Steel Key-Locking Inserts

These inserts are made to stringent military specifications. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. Use them to repair or change threads in soft metals such as aluminum. Inserts may be mildly magnetic. They’re comparable to Keensert inserts. Installation requires a drill bit, a standard tap, an installation tool, and a hammer.

Inserts with a thin wall are often used in small holes or near the edge of a workpiece.

Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.

Inserts									Installation Tools
Thread Size	For Tap Thread Size	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys	Specifications Met		Each		Each
18-8 Stainless Steel with Extra Thick Wall
1"-8	1 1/2"-12	1 3/8"	1 7/16"	1.442"	4	MS51832-111	000000000	000000	000000000	000000

Black-Phosphate Steel Key-Locking Inserts

A black-phosphate finish provides mild corrosion resistance. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. Use them to repair or change threads in soft metals such as aluminum. They’re comparable to Keensert inserts. Installation requires a drill bit, a standard tap, an installation tool, and a hammer.

Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole with stripped threads.

Inserts with an extra thick wall are stronger than thick- and thin-wall inserts. Use them to reduce the size of tapped holes.

Inch

Inserts
							Each		Installation Tools
Thread Size	For Tap Thread Size	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys		1-9	10-Up		Each
Black-Phosphate Steel with Thick Wall
1 1/8"-7	1 1/2"-12	1 5/8"	1 7/16"	1 7/16"	4	000000000	000000	000000	000000000	0000000
1 1/8"-12	1 1/2"-12	1 5/8"	1 7/16"	1 7/16"	4	000000000	00000	00000	000000000	000000
1 1/2"-12	1 7/8"-12	2"	1 13/16"	1 13/16"	4	000000000	000000	000000	000000000	000000
Black-Phosphate Steel with Extra Thick Wall
1"-8	1 1/2"-12	1 3/8"	1 7/16"	1 7/16"	4	000000000	00000	00000	000000000	00000

Key-Locking Inserts with Installation Tool

Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. These inserts are used to repair or convert threads in soft metals such as aluminum. They’re comparable to Keensert inserts.

Black-phosphate steel inserts are mildly corrosion resistant.

Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.

Inch

Black-Phosphate Steel with Thick Wall
Thread Size	For Tap Thread Size	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys	No. of Inserts Included		Each
1 1/8"-7	1 1/2"-12	1 5/8"	1 7/16"	1 7/16"	4	2	000000000	0000000

Ball Joint Rod Ends

Made of steel, these rod ends generally handle higher loads than stainless steel, aluminum, and nylon rod ends. They don’t come lubricated, so you’ll need to lubricate during installation and on an ongoing basis.

Zinc-plated steel rod ends provide moderate corrosion resistance.

Ball Joints
Shank Thread Size	ID	Max. Ball Swivel	O'all Wd.	O'all Thick.	Shank Center Lg.	Shank Thread Lg.	Static Radial Load Cap., lbs.	Material	Choose a Shank Thread Direction		Each
1 1/2"-12	1 1/2"	6.5°	3 1/2"	1 5/16"	5 3/8"	3"	64,750	Zinc-Plated Alloy Steel	Right Hand, Left Hand	00000000	0000000

Internally Threaded Ball Joint Rod Ends

Made of steel, these rod ends generally handle higher loads than stainless steel, aluminum, and nylon rod ends. They don’t come lubricated, so you’ll need to lubricate them during installation and on an ongoing basis.

Zinc-plated steel rod ends provide moderate corrosion resistance.

Ball Joints
Shank Thread Size	ID	Max. Ball Swivel	O'all Wd.	O'all Thick.	Shank Center Lg.	Shank Thread Lg.	Static Radial Load Cap., lbs.	Material	Choose a Shank Thread Direction		Each
1 1/2"-12	1 1/2"	6.5°	3 1/2"	1 5/16"	5 3/8"	2 5/8"	64,750	Zinc-Plated Alloy Steel	Right Hand, Left Hand	00000000	0000000