System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Material Material |
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For Tap Thread Size For Tap Thread Size |
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Threaded Insert Type Threaded Insert Type |
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| Key Locking | Helical |
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| Thread Locking |
For Maximum Hole Diameter For Maximum Hole Diameter |
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Thread Direction Thread Direction |
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| Right Hand | Left Hand |
Nut Type Nut Type |
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 | Externally Threaded |
 | Socket Head |
 | Tube End |
For Use In For Use In |
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Key-Locking Insert Wall Style Key-Locking Insert Wall Style |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Thread Spacing Thread Spacing |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Tensile Strength Tensile Strength |
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Drill Bit Size Drill Bit Size |
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For Tap Type For Tap Type |
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End Type End Type |
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About Durometer Hardness Scales
More
Selecting Compatible Lead Screws and Nuts
More
About Nuts, Materials, and Finishes
More
How to Install Key-Locking Inserts
More
How to Install Helical Inserts
More
About Helical Insert Length
More
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.
For technical drawings and 3-D models, click on a part number.
| Thread Size | OD | Ht. | Threading | Thread Dp. | For Hole Dia. | Hex Key Size | Each | |
18-8 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 3/4"-16 | 1.16" | 1.19" | Partially Threaded | 0.6" | 1.203" | 3/4" | 000000000 | 000000 |
Alloy 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.
For technical drawings and 3-D models, click on a part number.
| Thread Size | OD | Ht. | Threading | Thread Dp. | For Hole Dia. | Hex Key Size | Each | |
Alloy Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 3/4"-16 | 1.15" | 1.17" | Partially Threaded | 0.6" | 1.203" | 3/4" | 000000000 | 00000 |
Tube-End Weld Nuts
Weld these nuts to round uncoated metal tubes to attach threaded parts, such as rod ends. Also known as tube adapters and weldable threaded tube ends.
For technical drawings and 3-D models, click on a part number.
| For Tube Wall Thick. | Thread Size | Ht. | Threading | Thread Lg. | Each | |
4130 Alloy Steel | ||||||
|---|---|---|---|---|---|---|
For 1 1/8" Tube OD | ||||||
| 0.083" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
For 1 1/4" Tube OD | ||||||
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 3/8" Tube OD | ||||||
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 1/2" Tube OD | ||||||
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
For 1 3/4" Tube OD | ||||||
| 0.12" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
Left-Hand Threaded Tube-End Weld Nuts
Use these tube-end nuts with left-hand threaded fasteners. You can weld them to round uncoated metal tubes to attach threaded parts, such as rod ends. Also known as tube adapters and weldable threaded tube ends.
For technical drawings and 3-D models, click on a part number.
| For Tube Wall Thick. | Thread Size | Ht. | Threading | Thread Lg. | Each | |
4130 Alloy Steel | ||||||
|---|---|---|---|---|---|---|
For 1 1/8" Tube OD | ||||||
| 0.083" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
For 1 1/4" Tube OD | ||||||
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 3/8" Tube OD | ||||||
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 1/2" Tube OD | ||||||
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
For 1 3/4" Tube OD | ||||||
| 0.12" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
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.
For technical drawings and 3-D models, click on a part number.
Inserts | ||||||||||
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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 | ||||||||||
| 3/4"-16 | 1 1/8"-12 | 1 1/8" | 1 1/16" | 1 1/16" | 4 | 000000000 | 000000 | 000000 | 000000000 | 000000 |
Black-Phosphate Steel with Extra Thick Wall | ||||||||||
| 3/4"-16 | 1 1/4"-12 | 1 1/8" | 1 3/16" | 1 3/16" | 4 | 000000000 | 00000 | 00000 | 000000000 | 00000 |
18-8 Stainless Steel Key-Locking Inserts
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.
Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.
For technical drawings and 3-D models, click on a part number.
Mil. Spec. 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.
Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.
For technical drawings and 3-D models, click on a part number.
Mil. Spec. Alloy Steel Key-Locking Inserts
The strongest key-locking inserts we offer, 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.
Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.
For technical drawings and 3-D models, click on a part number.
Key-Locking Insert Assortments with Installation Tool
These assortments include various sizes of key-locking inserts with thick and thin walls, and an installation tool. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. Use them to repair or convert threads in soft metals such as aluminum. They’re comparable to Keensert® inserts.
18-8 stainless steel inserts are more corrosion resistant than black-phosphate steel. They may be mildly magnetic.
Black-phosphate steel inserts are mildly corrosion resistant.
Choose assortments with thick-wall inserts for greater strength than thin-wall inserts, or to fill a large hole.
For technical drawings and 3-D models, click on a part number.
For Tap | ||||||
|---|---|---|---|---|---|---|
| Includes | No. of Inserts Included | Thread Size | Drill Bit Size | For Max. Hole Dia. | Each | |
Inch | ||||||
18-8 Stainless Steel with Thick Wall | ||||||
| 1/4"-28 Thread × 3/8" Installed Lg. (20 Each) 5/16"-24 Thread × 0.438" Installed Lg. (15 Each) 3/8"-24 Thread × 1/2" Installed Lg. (10 Each) 7/16"-20 Thread × 5/8" Installed Lg. (10 Each) 1/2"-20 Thread × 5/8" Installed Lg. (6 Each) 9/16"-18 Thread × 0.813" Installed Lg. (5 Each) 5/8"-18 Thread × 7/8" Installed Lg. (3 Each) 3/4"-16 Thread × 1 1/8" Installed Lg. (3 Each) 7/8"-14 Thread × 1 1/4" Installed Lg. (3 Each) 1"-12 Thread × 1 3/8" Installed Lg. (2 Each) Installation Tool | 77 | 7/16"-14 1/2"-13 9/16"-12 5/8"-11 3/4"-16 7/8"-14 1 1/8"-12 1 1/4"-12 1 3/8"-12 | X 29/64" 33/64" 37/64" 45/64" 53/64" 1 1/16" 1 3/16" 1 5/16" | 0.397" 29/64" 33/64" 37/64" 45/64" 53/64" 1 1/16" 1 3/16" 1 5/16" | 000000000 | 0000000 |
Black-Phosphate Steel with Thick Wall | ||||||
| 1/4"-28 Thread × 3/8" Installed Lg. (20 Each) 5/16"-24 Thread × 0.438" Installed Lg. (15 Each) 3/8"-24 Thread × 1/2" Installed Lg. (10 Each) 7/16"-20 Thread × 5/8" Installed Lg. (10 Each) 1/2"-20 Thread × 5/8" Installed Lg. (6 Each) 9/16"-18 Thread × 0.813" Installed Lg. (5 Each) 5/8"-18 Thread × 7/8" Installed Lg. (3 Each) 3/4"-16 Thread × 1 1/8" Installed Lg. (3 Each) 7/8"-14 Thread × 1 1/4" Installed Lg. (3 Each) 1"-12 Thread × 1 3/8" Installed Lg. (2 Each) Installation Tool | 77 | 7/16"-14 1/2"-13 9/16"-12 5/8"-11 3/4"-16 7/8"-14 1 1/8"-12 1 1/4"-12 1 3/8"-12 | X 29/64" 33/64" 37/64" 45/64" 53/64" 1 1/16" 1 3/16" 1 5/16" | 0.397" 29/64" 33/64" 37/64" 45/64" 53/64" 1 1/16" 1 3/16" 1 5/16" | 000000000 | 000000 |
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.
18-8 stainless steel inserts are more corrosion resistant than black-phosphate steel. They may be mildly magnetic.
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.
For technical drawings and 3-D models, click on a part number.
Stainless Steel Helical Inserts
Also known as Heli-Coil inserts, these inserts have coils that expand once installed to securely anchor the insert. All have a prong for ease of installation. An installation tool grips the prong and reduces the coil diameter, enabling the insert to fit in tapped holes. Remove the prong to insert the screw. Installation requires a drill bit, a helical insert tap, an installation tool, and a prong break-off tool.
For technical drawings and 3-D models, click on a part number.
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | Each | Each | Each | ||||
18-8 Stainless Steel—Right-Hand Threaded | |||||||||||||
| 3/4"-16 | 3/4" | 49/64" | 49/64" | MS124-663 | 1 | 000000000 | 00000 | 000000000 | 000000 | 000000000 | 000000 | 000000000 | 0000000 |
| 3/4"-16 | 1 1/8" | 49/64" | 49/64" | MS124-703 | 1 | 000000000 | 0000 | 000000000 | 00000 | 000000000 | 00000 | 000000000 | 000000 |
Stainless Steel Screw-Locking Helical Inserts
A distorted thread grips the screw to resist loosening. Also known as Heli-Coil inserts, these inserts have coils that expand once installed to securely anchor the insert. All have a prong for ease of installation. An installation tool grips the prong and reduces the coil diameter, enabling the insert to fit in tapped holes. Remove the prong to insert the screw. Installation requires a drill bit, a helical insert tap, an installation tool, and a prong break-off tool.
For technical drawings and 3-D models, click on a part number.
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | Each | Each | Each | ||||
18-8 Stainless Steel | |||||||||||||
| 3/4"-16 | 3/4" | 49/64" | 49/64" | MS21209F1210, NASM21209 | 1 | 000000000 | 00000 | 000000000 | 000000 | 000000000 | 000000 | 000000000 | 0000000 |
| 3/4"-16 | 1 1/8" | 49/64" | 49/64" | MS21209F1215, NASM21209 | 1 | 000000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 | 000000000 | 000000 |
Helical Inserts with Installation Tools
Inserts come with a through-hole tap and installation tool. Also known as Heli-Coil inserts, they have coils that expand once installed to securely anchor the insert. All have a prong for ease of installation. An installation tool grips the prong and reduces the coil diameter, enabling the insert to fit in tapped holes. Remove the prong to insert the screw.
| Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Inserts Included | Includes | Each | |
18-8 Stainless Steel—Right-Hand Threaded | |||||||
|---|---|---|---|---|---|---|---|
| 3/4"-16 | 1 1/8" | 49/64" | 49/64" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 0000000 |
Black-Phosphate Steel Easy-to-Install Thread-Locking Inserts
A black-phosphate finish provides mild corrosion resistance. Also known as E-Z Lok, these inserts use Loctite® adhesive to keep them in place. The adhesive reaches full strength after 72 hours. Installation requires a drill bit and a standard tap. Then set the insert with a bolt and two nuts, or use an installation bit.
Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.
To drive slotted inserts, you can use a slotted screwdriver instead of using an installation bit or a bolt and two nuts.
For technical drawings and 3-D models, click on a part number.
Easy-to-Install Thread-Locking Insert Assortments
These assortments include various sizes of thread-locking inserts. Also known as E-Z Lok, they use Loctite® adhesive to keep them in place. The adhesive reaches full strength after 72 hours. All inserts have thick walls for strength and can be used to fill a large hole.
Black-phosphate steel inserts are mildly corrosion resistant.
For technical drawings and 3-D models, click on a part number.
For Tap | |||||||
|---|---|---|---|---|---|---|---|
| Includes | No. of Inserts Included | Thread Size | Drill Bit Size | For Max. Hole Dia. | Drive Style | Each | |
Inch Assortments | |||||||
Black-Phosphate Steel | |||||||
| 1/2"-20 Thread × 0.656" Installed Lg. (6 Each) 5/8"-18 Thread × 0.688" Installed Lg. (7 Each) 3/4"-16 Thread × 0.781" Installed Lg. (7 Each) 1"-14 Thread × 1 1/4" Installed Lg. (2 Each) | 22 | 3/4"-10 7/8"-9 1"-8 1 3/8"-12 | 21/32" 49/64" 7/8" 1 9/32" | 21/32" 49/64" 7/8" 1 9/32" | Slotted | 000000000 | 000000 |
For fast installation, use these installation bits with power drills and drill presses.
Threaded Bumpers
Mount these bumpers on a threaded stud. All are reinforced with a steel core or base plate for strength. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. They're also good for starting and stopping motion on automated machines. All of these bumpers can be used outdoors.
Bumpers with a medium and medium-soft rating offer a balance of cushioning and impact resistance. The softer the bumper, the more it cushions.
Bumpers with an extra-hard, hard, and medium-hard rating withstand high levels of impact. The harder the bumper, the more impact it withstands.
Neoprene bumpers have good abrasion resistance.
Polyurethane bumpers have better abrasion resistance than neoprene bumpers. They won't become brittle and crack when exposed to ozone.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Dp. | OD | Ht. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Neoprene Rubber with Steel Core | |||||||||||
| 3/4"-16 | 1" | 2 1/4" | 2 1/4" | -40° to 200° | Yes | Hard | Durometer 75A | No | Black | 00000000 | 000000 |
| 3/4"-16 | 1" | 2 1/4" | 2 1/4" | -40° to 200° | Yes | Medium Soft | Durometer 40A | No | Black | 0000000 | 00000 |
Polyurethane Rubber with Steel Core | |||||||||||
| 3/4"-16 | 1" | 2 1/4" | 2 1/4" | -40° to 200° | Yes | Extra Hard | Durometer 95A | No | Black | 00000000 | 00000 |
| 3/4"-16 | 1" | 2 1/4" | 2 1/4" | -40° to 200° | Yes | Hard | Durometer 85A | No | Red | 0000000 | 00000 |
Precision Acme Lead Screws and Nuts
Pair with a motor in automated motion and positioning applications. A tight thread fit allows these lead screws and nuts to make accurate, repeatable starts and stops. Also known as single-start and self-locking lead screws and nuts, they have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won’t unexpectedly move when the lead screw is at rest. To ensure compatibility, please select components that have the same thread direction and size.
360 brass nuts have excellent machinability and good corrosion resistance.
Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
For technical drawings and 3-D models, click on a part number.
Combine externally threaded nuts with a flange to create a custom flange nut.
External Thread | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Each | |
360 Brass | ||||||||||||
| 3/4"-16 | 1 1/4" | 1.125" | 1 | 1:1 | 0.063" | 1"-18 | 1/2" | Class 2C | Brinell 70 | 2,800 | 000000000 | 000000 |
Combine externally threaded nuts with a flange to create a custom flange nut.
External Thread | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Each | |
360 Brass | ||||||||||||
| 3/4"-16 | 1 1/4" | 1.125" | 1 | 1:1 | 0.063" | 1"-18 | 1/2" | Class 2C | Brinell 70 | 2,800 | 000000000 | 000000 |
