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About Threaded Inserts
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Choose the right threaded insert for your application and learn how to install it securely.
Seize-Resistant Helical Threaded Inserts
 |
Pronged |
Install and remove screws repeatedly without sticking or binding. These inserts have a dry-film lubricant on their surface for smooth installation. They're ideal for parts that require frequent disassembly for inspection or repair. 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.
Dry-Film-Lubricated 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 | Prong Break-Off Tools | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | Specs. Met | Pkg. Qty. | Pkg. | Each | Each | Each | Each | |||||||
Pronged | |||||||||||||||||
Dry-Film-Lubricated 18-8 Stainless Steel | |||||||||||||||||
| M4 x 0.7 mm | 4 | 19 Ga. | 0.166" | DIN 8140, SAE MA3280-104, MIL-I-8846 | 1 | 91000A031 | 00000 | 91709A359 | 000000 | 91709A527 | 000000 | 90261A190 | 0000000 | 92955A160 | 0000000 | ||
