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1/4-28 Key Locking Inserts
Key Locking Inserts, also commonly known by their trade-names Keensert®, Keysert®, Loksert®, etc., are internally and externally threaded inserts with vertical keys attached to the top on the insert. They are installed by being screwed into a pre-drilled and pre-tapped hole, and during installation the keys are driven into the tapped threads of the parent to provide a positive mechanical lock. They are used to repair stripped or damaged threads or to provide reinforcement in a weak parent material.
19 results, (click on any line for more information)
| Buy Key Locking Inserts from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Hayes | CA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 x 3/8 | nas1394c4l 1/4-28 x 3/8-16 key lkd insert ss | 44 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 | ms51830-202 | 223 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 x 3/8 | nas1394c4l | 54 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 | ms51831-202 | 77 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 x 7/16 14 | ms51831-202l | 4 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 | ms51830-202l | 88 |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 1/4-28 x 3/8 16 | 1/4-28x3/8-16 tw-cs | inquire |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 1/4-28 x 7/16 14 | 1/4-28x7/16-14 hd-cs | inquire |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 3/8 16 | 1/4-28x3/8-16 tw-ss | inquire |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 7/16 14 | 1/4-28x7/16-14 hd-ss | inquire |
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| QCS | OR | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 | 1/4-28 int x 3/8-16 ext solid insert ss ms51830-202 | 50 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 1/4-28 x .40 | 1/4-28 x .40 flting knsert 1/2-20 () () | 2 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x .37 | 1/4-28 x .37 kylk ins 1/2-13 303sst () () | 16 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 1/4-28 x .375 | 1/4-28 x .375 locking kylk ins 3/8-16 4140 () () | 32 |
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| Liberty | IL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 | 1/4-28 unjf-3b insert key locked to ms51830-202l | 5 |
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| Rapid | NY | Key Locking Insert (Keensert, Keysert etc.) | Steel | Passivated | 1/4-28 | insert screw thread locked-in cres 303 .250-28 unjf-3b x .375 lg. passivated MS51830-202L | 10 |
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| BHAM | AL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 | keensert MS51830-202L | 4 |
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| BHAM | AL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 | keensert MS51830-202L | 4 |
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| AIH | AZ | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 1/4-28 | insert MS51830-202 | 30 |
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