System of Measurement System of Measurement |
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Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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| Helical | Key Locking |
For Maximum Hole Diameter For Maximum Hole Diameter |
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For Use In For Use In |
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Specifications Met Specifications Met |
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Thread Spacing Thread Spacing |
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Thread Direction Thread Direction |
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For Tap Type For Tap Type |
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End Type End Type |
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Tensile Strength Tensile Strength |
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For Tap Thread Size For Tap Thread Size |
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Passivation Passivation |
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Helical Insert Style Helical Insert Style |
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Key-Locking Insert Wall Style Key-LockingInsert Wall Style |
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Comparable To Comparable To |
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External Locking Type External Locking Type |
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Finish Finish |
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How to Install Key-Locking Inserts
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About Helical Insert Length
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How to Install Helical Inserts
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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 | ||||||||||
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| 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 | |||||||||||||
| 1 1/4"-7 | 1 1/4" | 1 19/64" | 1 19/64" | MS122-92 | 1 | 000000000 | 000000 | 000000000 | 0000000 | 000000000 | 0000000 | 000000000 | 0000000 |
| 1 1/4"-7 | 1 7/8" | 1 19/64" | 1 19/64" | MS122-132 | 1 | 000000000 | 00000 | 000000000 | 000000 | 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.
For technical drawings and 3-D models, click on a part number.
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 | |||||||
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| 1 1/4"-7 | 1 7/8" | 1 9/32" | 1 9/32" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 0000000 |
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.
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.
| Thread Size | For Tap Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | No. of Inserts Included | Each | |
Black-Phosphate Steel with Thick Wall | ||||||||
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| 1 1/4"-7 | 1 5/8"-12 | 1 13/16" | 1 9/16" | 1 9/16" | 4 | 2 | 000000000 | 0000000 |