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3/8 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.
49 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 | |
| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 3/8-24 x .50 | 3/8-24 x .50 locking kylk ins 1/2-13 () () | 19 |
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| Hayes | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-24 x 1/2-13 | 3/8-24 x 1/2-13 lock keylock ins 18-8ss dfl | 1 |
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| Hayes | CA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-24 x 1/2 | nas1394c6 3/8-24 x 1/2-13 key lkd insert alloy ci | 9 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x .50 | 3/8-16 x .50 locking kylk ins 1/2-13 303sst () () | 147 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-16 x .50 | 3/8-16x.50 kylk ins 9/16-12 a286 sst () () | 965 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x .50 | 3/8-16 x .50 kylk ins 1/2-13 303sst () () | 196 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 3/8-24 x .50 | 3/8-24 x .50 hvy knsert 9/16-12 carbon () | 55 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-24 x 9/16-12 | ms51831-204 | 11 |
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| Hewes | NY | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x .750 | 3/8-16x .750 slf-locking inserts/s ms21209-c6-20 | 10 |
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| Hewes | NY | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1.125 | 3/8-16x 1.125 slf-locking insrts/s | 70 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x .50 locking keensert 5/8-11 303sst | 1 |
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| Bossard | AZ | Key Locking Insert (Keensert, Keysert etc.) | Plain | 3/8-16 x 1.5 | insert 3/8-16x1.5 dia non locking | 375 |
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| Ababa | CA | Key Locking Insert (Keensert, Keysert etc.) | 3/8 x 10 | 3/8 & 7/16 & m10 keysert installation tool (#72375) | 2 |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 3/8-16 x 1/2 13 | 3/8-16x1/2-13 tw-cs | 27 |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 3/8-16 x 9/16 12 | 3/8-16x9/16-12 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 | 3/8-16 x 1/2 13 | 3/8-16x1/2-13 tw-ss | 14 |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 3/8-24 x 1/2 13 | 3/8-24x1/2-13 tw-cs | inquire |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 3/8-24 x 9/16 12 | 3/8-24x9/16-12 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 | 3/8-24 x 1/2 13 | 3/8-24x1/2-13 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 | 3/8-24 x 9/16 12 | 3/8-24x9/16-12 hd 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 | 3/8-16 x 9/16 12 | 3/8-16x9/16-12 hd-ss | 20 |
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| Ababa | CA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-16 | 3/8-16 i.d. x 9/16-12 o.d. heavy duty stl keysert (#73062) | 10 |
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| Ababa | CA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-16 | 3/8-16 i.d. x 9/16-12 o.d. heavy duty stl keysert (#73062) | 5 |
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| Ababa | CA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-16 | 3/8-16 i.d. x 1/2-13 o.d. thinwall stl keyserts (#73061) | 27 |
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| Ababa | CA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Zinc/Clear | 3/8-16 | 3/8-16 flanged nylon insert lock nut stl znc | 70 |
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| Jay-Cee | MI | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-24 | 3/8-24 internal thread x 9/16-12 external thread 18-8 stainless heavy duty keensert (ms51831-204l) | inquire |
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| Valley Nu | WA | Key Locking Insert (Keensert, Keysert etc.) | 3/8-16 | 3/8-16 nc keensert 1/2-13 ex drill 29/64 | 8 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-16 | ms51831-104 ref# knh616j (REF# KNH616J) (REF# KNH616J) | 27 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | 3/8-16 | ms51831-104l | 13 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 | ms51830-108 | 6 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 | ms51830ca204l insert scr thd | 1 |
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| Century | FL | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-24 | ms51830-204 | 195 |
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| ISSCO | MO | Key Locking Insert (Keensert, Keysert etc.) | Steel | Phosphate | 3/8-16 | Alcoa Fastening Systems (Recoil, Keysert) recoil keysert #73062 3/8-16 Heavy Duty | 490 |
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| ASFCORP | MI | Key Locking Insert (Keensert, Keysert etc.) | 3/8-16 x 1/2 13 x 0.50 | 3/8-16 x 1/2-13 x 0.50 in lg cs thin wall keensert 10 pk | 10 |
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| Exim | S'pore | Key Locking Insert (Keensert, Keysert etc.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 3/8-16 | keensert 1/4-20 stainless steel naturaltridair p/n kn420jint thread 1/4-20 ext thread 3/8-16 | 50 |
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| Global | CA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-16 | ms51832-104 insert screw keylock military 5/8-11 od x 3/8-16 id thd x 0.500 length ss/pa | 50 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-24 x .50 9 | 3/8-24 x .50 knsert 9/16-12 303sst () () | 4 |
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| Endries | WI | Key Locking Insert (Keensert, Keysert etc.) | Steel | Zinc/Clear | 3/8-24 | 3/8-24 grade f nylon insert flange locknut trivalent clear zinc | 41900 |
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| AIH | AZ | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 | 3/8-16 1/2-13x.500 s/s key/lock-insert MS51830-108 | 20 |
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| Sonfast | SC | Key Locking Insert (Keensert, Keysert etc.) | Steel | Zinc/Clear | 3/8-16 | 3/8-16 nylon insert locknt steel trivalent zinc #21ne066 .563x.453 | 2,250 |
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| Sonfast | PA | Key Locking Insert (Keensert, Keysert etc.) | Steel | Zinc/Clear | 3/8-16 | 3/8-16 nylon insert locknt steel trivalent zinc #21ne066 .563x.453 | 10,000 |
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| Century | NY | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | ms51831-104 ref# knh616j | 27 |
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| Century | NY | Key Locking Insert (Keensert, Keysert etc.) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | ms51830ca204l insert scr thread | 1 |
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| SWACO | OH | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | 3/8-16 | insert screw thread key lock heavy duty ms51831-104 | 10 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-24 keensert 1/2-13 thread 303 ss locking | 3 |
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| SWACO | OH | Key Locking Insert (Keensert, Keysert etc.) | Plain | 3/8-16 | insert screw thread key lock heavy duty ms51831-104l | 79 |
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| American | WI | Key Locking Insert (Keensert, Keysert etc.) | Plain | 3/8-16 | 3/8-16 key lock thin wall insert for 1/2-13 thread | 45 |
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| Bossard | AZ | Key Locking Insert (Keensert, Keysert etc.) | Steel | Plain | insert-heavy duty non-locking ms51831-104 | 4 |
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| Olander | CA | Key Locking Insert (Keensert, Keysert etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-24 hvy keensert 9/16-12 thread 303 ss | 2 |
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