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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.
Finish-Your-Own Key-Locking Threaded Inserts for Soft Metal
 |  |
Tap the thread size you need into the solid body of these inserts. They’re a great choice when you need a custom combination of internal thread size and external diameter. Use them to repair or add new threads in soft metal, such as aluminum. They can also plug threaded holes without the hassle of welding. Keys on the inserts drive into material to prevent slipping and rotating in the hole.
To install, drill and tap a hole in your material. Then, thread the insert onto the installation tool and screw it into the hole. Place the tool over the keys and hit it with a hammer to drive them in.
Black Phosphate-Coated Steel—These inserts resist occasional moisture.
18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
Inserts | Installation Tools | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For Tap Thread Size | Installed Lg. | Max. Tapping Dia. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | Each | Each | ||||
Standard Profile | |||||||||||
Black Phosphate-Coated Steel | |||||||||||
| 5/16"-18 | 0.313" | 3/16" | I | 0.272" | 2 | 93774A110 | 000000 | 93741A110 | 000000 | ||
| 3/8"-16 | 0.313" | 1/4" | Q | 0.332" | 2 | 93774A120 | 00000 | 93741A120 | 00000 | ||
| 7/16"-14 | 0.375" | 5/16" | X | 0.397" | 4 | 93774A130 | 00000 | 93741A130 | 00000 | ||
| 1/2"-13 | 0.438" | 3/8" | 29/64" | 0.453" | 4 | 93774A140 | 00000 | 93741A140 | 000000 | ||
| 9/16"-12 | 0.500" | 7/16" | 33/64" | 0.516" | 4 | 93774A150 | 00000 | 93741A150 | 000000 | ||
| 5/8"-11 | 0.625" | 1/2" | 37/64" | 0.578" | 4 | 93774A160 | 00000 | 93741A160 | 000000 | ||
| 3/4"-16 | 0.688" | 9/16" | 45/64" | 0.703" | 4 | 93774A170 | 00000 | 93741A170 | 000000 | ||
| 7/8"-14 | 0.875" | 5/8" | 53/64" | 0.828" | 4 | 93774A180 | 00000 | 93741A180 | 000000 | ||
| 1"-12 | 0.875" | 5/8" | 15/16" | 0.936" | 4 | 93774A190 | 00000 | 93741A190 | 000000 | ||
| 1 1/8"-12 | 1.125" | 3/4" | 1 1/16" | 1.063" | 4 | 93774A210 | 00000 | 93741A210 | 000000 | ||
| 1 1/4"-12 | 1.250" | 7/8" | 1 3/16" | 1.188" | 4 | 93774A220 | 00000 | 93741A220 | 000000 | ||
| 1 3/8"-12 | 1.375" | 1" | 1 5/16" | 1.313" | 4 | 93774A230 | 00000 | 93741A230 | 000000 | ||
| M8 x 1.25 mm | 8 mm | 5 mm | 6.9 mm | 6.9 mm | 2 | 93774A240 | 00000 | 93741A240 | 00000 | ||
| M10 x 1.25 mm | 10 mm | 6 mm | 8.8 mm | 8.8 mm | 2 | 93774A250 | 00000 | 93741A250 | 00000 | ||
| M12 x 1.25 mm | 12 mm | 8 mm | 10.8 mm | 10.8 mm | 4 | 93774A260 | 00000 | 93741A260 | 00000 | ||
| M14 x 1.5 mm | 14 mm | 10 mm | 12.8 mm | 12.8 mm | 4 | 93774A270 | 00000 | 93741A270 | 000000 | ||
| M16 x 1.5 mm | 16 mm | 12 mm | 14.75 mm | 14.75 mm | 4 | 93774A280 | 00000 | 93741A280 | 000000 | ||
| M18 x 1.5 mm | 18 mm | 12 mm | 16.75 mm | 16.75 mm | 4 | 93774A290 | 00000 | 93741A290 | 000000 | ||
| M22 x 1.5 mm | 22 mm | 16 mm | 20.5 mm | 20.5 mm | 4 | 93774A310 | 00000 | 93741A310 | 000000 | ||
| M30 x 2 mm | 30 mm | 20 mm | 28 mm | 28 mm | 4 | 93774A320 | 00000 | 93741A320 | 000000 | ||
18-8 Stainless Steel | |||||||||||
| 5/16"-18 | 0.313" | 3/16" | I | 0.272" | 2 | 93543A110 | 00000 | 93741A110 | 00000 | ||
| 3/8"-16 | 0.313" | 1/4" | Q | 0.332" | 2 | 93543A120 | 00000 | 93741A120 | 00000 | ||
| 7/16"-14 | 0.375" | 5/16" | X | 0.397" | 4 | 93543A130 | 00000 | 93741A130 | 00000 | ||
| 1/2"-13 | 0.438" | 3/8" | 29/64" | 0.453" | 4 | 93543A140 | 00000 | 93741A140 | 000000 | ||
| 7/8"-14 | 0.875" | 5/8" | 53/64" | 0.828" | 4 | 93543A150 | 00000 | 93741A180 | 000000 | ||
| 1 1/8"-12 | 1.125" | 3/4" | 1 1/16" | 1.063" | 4 | 93543A160 | 000000 | 93741A210 | 000000 | ||
| M8 x 1.25 mm | 8 mm | 5 mm | 6.9 mm | 6.9 mm | 2 | 93543A170 | 00000 | 93741A240 | 00000 | ||
| M10 x 1.25 mm | 10 mm | 6 mm | 8.8 mm | 8.8 mm | 2 | 93543A180 | 00000 | 93741A250 | 00000 | ||
| M12 x 1.25 mm | 12 mm | 8 mm | 10.8 mm | 10.8 mm | 4 | 93543A190 | 00000 | 93741A260 | 00000 | ||
| M14 x 1.5 mm | 14 mm | 10 mm | 12.8 mm | 12.8 mm | 4 | 93543A210 | 00000 | 93741A270 | 000000 | ||
| M16 x 1.5 mm | 16 mm | 12 mm | 14.75 mm | 14.75 mm | 4 | 93543A220 | 00000 | 93741A280 | 000000 | ||
| M22 x 1.5 mm | 22 mm | 16 mm | 20.5 mm | 20.5 mm | 4 | 93543A230 | 00000 | 93741A310 | 000000 | ||
