System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Type Thread Type |
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Threaded Insert Type Threaded Insert Type |
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| Key Locking | Thread Locking |
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| Helical |
Material Material |
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For Tap Type For Tap Type |
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Thread Direction Thread Direction |
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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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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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For Use In For Use In |
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Tensile Strength Tensile Strength |
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End Type End Type |
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For Tap Thread Pitch For Tap Thread Pitch |
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For Maximum Hole Diameter For Maximum Hole Diameter |
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Passivation Passivation |
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About Nuts, Materials, and Finishes
More
How to Install Key-Locking Inserts
More
How to Install Helical Inserts
More
About Helical Insert Length
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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.
Inserts | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Tap | Each | Installation Tools | |||||||||||
| Thread Size | Thread Pitch, mm | Thread Spacing | Thread Size | Thread Pitch, mm | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | 1-9 | 10-Up | Each | ||
18-8 Stainless Steel with Thick Wall | |||||||||||||
| M14 | 2 | Coarse | 7/8"-14 | __ | 0.81" | 53/64" | 0.828" | 4 | 000000000 | 000000 | 000000 | 000000000 | 000000 |
| M14 | 2 | Coarse | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 000000000 | 00000 | 00000 | 000000000 | 00000 |
| M14 | 1.5 | Fine | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 000000000 | 00000 | 00000 | 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.
For technical drawings and 3-D models, click on a part number.
Inserts | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Tap | Each | Installation Tools | |||||||||||
| Thread Size | Thread Pitch, mm | Thread Spacing | Thread Size | Thread Pitch, mm | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | 1-9 | 10-Up | Each | ||
Black-Phosphate Steel with Thick Wall | |||||||||||||
| M14 | 2 | Coarse | 7/8"-14 | __ | 0.81" | 53/64" | 53/64" | 4 | 000000000 | 00000 | 00000 | 000000000 | 000000 |
| M14 | 2 | Coarse | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 000000000 | 00000 | 0000 | 000000000 | 00000 |
| M14 | 1.5 | Fine | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 000000000 | 00000 | 0000 | 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.
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.
For Tap | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Pitch, mm | Thread Spacing | Thread Size | Thread Pitch, mm | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | No. of Inserts Included | Each | |
18-8 Stainless Steel with Thick Wall | |||||||||||
| M14 | 2 | Coarse | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 4 | 000000000 | 0000000 |
| M14 | 1.5 | Fine | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 4 | 000000000 | 000000 |
Black-Phosphate Steel with Thick Wall | |||||||||||
| M14 | 2 | Coarse | 7/8"-14 | __ | 0.81" | 53/64" | 53/64" | 4 | 3 | 000000000 | 00000 |
| M14 | 2 | Coarse | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 4 | 000000000 | 00000 |
| M14 | 1.5 | Fine | M20 | 1.5 | 20mm | 18.75 mm | 18.75mm | 4 | 4 | 000000000 | 00000 |
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.
Inserts | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Tap | Installation Bits | ||||||||||||
| Thread Size | Thread Pitch, mm | Thread Spacing | Thread Size | Thread Pitch, mm | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Drive Style | Pkg. Qty. | Pkg. | Each | ||
Black-Phosphate Steel with Thick Wall | |||||||||||||
| M14 | 2 | Coarse | 7/8"-9 | __ | 11/16" | 49/64" | 49/64" | Slotted | 5 | 000000000 | 000000 | 000000000 | 000000 |
| M14 | 1.25 | Extra Fine | 3/4"-16 | __ | 21/64" | 11/16" | 11/16" | __ | 5 | 000000000 | 0000 | 000000 | 00 |
| M14 | 1.25 | Extra Fine | 3/4"-16 | __ | 29/64" | 11/16" | 11/16" | __ | 5 | 000000000 | 0000 | 000000 | 00 |
| M14 | 1.25 | Extra Fine | 3/4"-16 | __ | 45/64" | 11/16" | 11/16" | __ | 1 | 000000000 | 0000 | 000000 | 00 |
| M14 | 1.25 | Extra Fine | M18 | 1.5 | 11.5mm | 16.5 mm | 16.5mm | __ | 1 | 000000000 | 0000 | 000000 | 00 |
18-8 Stainless Steel Easy-to-Install Thread-Locking Inserts
Made of 18-8 stainless steel, these inserts have good corrosion resistance. Also known as E-Z Lok, they use Loctite® adhesive to keep them in place. The adhesive reaches full strength after 72 hours. They may be mildly magnetic. Installation requires a drill bit and a standard tap. Then set the insert with an installation bit, a slotted screwdriver, or a bolt with two nuts.
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.
Inserts that meet DIN 8140 adhere to international standards for dimensions.
For technical drawings and 3-D models, click on a part number.
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Pitch, mm | Thread Spacing | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | Each | Each | Each | ||||
18-8 Stainless Steel—Right-Hand Threaded | |||||||||||||||
| M14 | 2 | Coarse | 14 | 14.5 mm | 14.5mm | DIN 8140, SAE MA3279-116 | 5 | 000000000 | 000000 | 000000000 | 000000 | 000000000 | 0000000 | 000000000 | 0000000 |
| M14 | 2 | Coarse | 21 | 14.5 mm | 14.5mm | DIN 8140, SAE MA3279-166 | 1 | 000000000 | 0000 | 000000000 | 00000 | 000000000 | 000000 | 000000000 | 000000 |
| M14 | 1.5 | Fine | 21 | 37/64" | 37/64" | SAE MA3279-165 | 5 | 000000000 | 00000 | 000000000 | 00000 | 000000000 | 000000 | 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.
Inserts that meet DIN 8140 adhere to international standards for dimensions.
For technical drawings and 3-D models, click on a part number.
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Pitch, mm | Thread Spacing | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | Each | Each | Each | ||||
18-8 Stainless Steel | |||||||||||||||
| M14 | 2 | Coarse | 14 | 14.5 mm | 14.5mm | SAE MA3329-116 | 1 | 000000000 | 00000 | 000000000 | 000000 | 000000000 | 0000000 | 000000000 | 0000000 |
| M14 | 2 | Coarse | 21 | 14.5 mm | 14.5mm | DIN 8140, SAE MA3329-166 | 1 | 000000000 | 0000 | 000000000 | 00000 | 000000000 | 000000 | 000000000 | 000000 |
| M14 | 1.5 | Fine | 21 | 37/64" | 37/64" | DIN 8140, SAE MA3329-165 | 1 | 000000000 | 0000 | 000000000 | 00000 | 000000000 | 000000 | 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 | Thread Pitch, mm | Thread Spacing | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | No. of Inserts Included | Includes | Each | |
18-8 Stainless Steel—Right-Hand Threaded | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| M14 | 2 | Coarse | 21 | 37/64" | 37/64" | 12 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 0000000 |
| M14 | 1.5 | Fine | 21 | 9/16" | 9/16" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
Spark Plug Thread Repair Kits
Kits include helical inserts, a tap, and an 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.
| Includes | No. of Inserts Included | Each | |
18-8 Stainless Steel | |||
|---|---|---|---|
| M14×1.25 mm Thread × 3/8" Insert Reach (6 Each) M14×1.25 mm Thread × 7/16" Insert Reach (6 Each) 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) Through-Hole Tap Installation Tool | 30 | 000000000 | 0000000 |
Spark Plug Thread Repair Kits for Gasket-Seat and Taper-Seat Ports
These kits have short-, normal-, and long-reach inserts, an installation tool, and a tap.
| Includes | No. of Inserts Included | Each | |
18-8 Stainless Steel | |||
|---|---|---|---|
| M14×1.25 mm Thread × Short Insert Reach (1 Each) M14×1.25 mm Thread × Normal Insert Reach (1 Each) M14×1.25 mm Thread × Long Insert Reach (1 Each) Through-Hole Tap Installation Tool | 3 | 000000000 | 000000 |
| M14×1.25 mm Thread × Short Insert Reach (6 Each) M14×1.25 mm Thread × Normal Insert Reach (6 Each) M14×1.25 mm Thread × Long Insert Reach (6 Each) Through-Hole Tap Installation Tool | 18 | 000000000 | 000000 |
Metric Steel Hex Weld Nuts
You can weld these nuts to flat and uneven uncoated steel surfaces for a strong permanent hold. A collar pilot assists alignment and prevents welding spatter from getting into threads.
For technical drawings and 3-D models, click on a part number.
Thread | Collar | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Wd., mm | Ht., mm | Dia., mm | Ht., mm | For Hole Dia., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Steel | ||||||||||
| M14 | 2 | 22 | 9.2 | 16.8 | 1.8 | 16.8 | DIN 929 | 10 | 000000000 | 00000 |
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 | Thread Pitch | OD | Ht. | Threading | Thread Dp. | For Hole Dia. | Hex Key Size | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M14 | 2mm | 20mm | 21.3mm | Partially Threaded | 11.4mm | 21.1mm | 1/2" | 1 | 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 | Thread Pitch | OD | Ht. | Threading | Thread Dp. | For Hole Dia. | Hex Key Size | Pkg. Qty. | Pkg. | |
Alloy Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M14 | 2 mm | 20mm | 24mm | Partially Threaded | 11.4mm | 21.1mm | 1/2" | 1 | 000000000 | 000000 |
Installation Tools for Key-Locking Inserts
Place the tip of these tools into an insert and strike them with a hammer to drive the keys into the material. They’re compatible with Keensert® inserts.
For technical drawings and 3-D models, click on a part number.
Threaded Round Plugs for Straight-Thread Pipe
Seal tube and hose fittings to keep their straight threads protected from contaminants during fabrication and storage.
Nylon plugs resist chemicals better than aluminum plugs and are more wear resistant than polyethylene plugs. You can install them manually or with a hex-head wrench or socket.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Ht., mm | Max. Temp., °F | Hardness | Color | Pkg. Qty. | Pkg. | |
| M14 | 1.5 | 10 | 150° | Durometer 55D | Yellow | 50 | 0000000 | 000000 |
T-Slot Nuts
Designed to slide into T-slot tracks on machine tool tables, use these nuts to secure clamps and workpieces.
Fully threaded nuts allow a stud to extend beyond the bottom of the nut.
Stainless steel nuts have excellent corrosion resistance. They are a good choice for use with stainless steel parts or in EDM applications.
Drop-In T-Slot Nuts
Install these nuts from the top of the T-slot track and secure with a quarter turn to anchor clamps and workpieces. Also known as quarter-turn T-slot nuts.
Fully threaded nuts allow a stud to extend beyond the bottom of the nut.
For technical drawings and 3-D models, click on a part number.
Thread | Base | Fully Threaded | |||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | For Slot Wd., mm | Ht., mm | Wd., mm | O'all Ht., mm | Each | |
Black-Oxide Steel | |||||||
| M14 | 2 | 16 | 9 | 25 | 18 | 000000000 | 000000 |