FCH News

#4 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.

21 results, (click on any line for more information)

Buy Key Locking Inserts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
HayesCAKey Locking Insert (Keensert, Keysert etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 10-324-40 x 10-32 keylock insert 18-8ss174
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HayesCAKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-40 x 10-324-40 x 10-32 keylock insert 4140 alloy dfl31
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CenturyFLKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-40ms51830-102 insert scr thread(keylkd) .112-40 x .170l cres5128
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SWACOOHKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-40insert screw thread key-locked ms51830-102567
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OneMonroeNCKey Locking Insert (Keensert, Keysert etc.)Plain#4-40 x 2.0insert wire non-locking 4-40 x 2.0 diameter133
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OneMonroeMNKey Locking Insert (Keensert, Keysert etc.)Plain#4-40 x 2.5insert wire locking 4-40 x 2.5 dia2315
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OneMonroeMAKey Locking Insert (Keensert, Keysert etc.)Plain#4-40 x 1.5insert wire non-locking 4-40 x 1.5 diameter800
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OneMonroeMNKey Locking Insert (Keensert, Keysert etc.)Plain#4-40 x 2.5insert wire locking 4-40 x 2.5 dia2315
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OneMonroeMAKey Locking Insert (Keensert, Keysert etc.)Plain#4-40 x 1.5insert wire non-locking 4-40 x 1.5 diameter800
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OlanderCAKey Locking Insert (Keensert, Keysert etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain4-40 keensert 1032 thread 303 ss locking4
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OlanderCAKey Locking Insert (Keensert, Keysert etc.)#4-40 x .174-40 x .17 kylk ins 10-32 nit60 () ()173
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OlanderCAKey Locking Insert (Keensert, Keysert etc.)Superalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x .17 104-40 x .17 knsert 10-32 a286 sst () ()30
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OlanderCAKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-404-40 keylock ins a286 sst () ()45
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CenturyNYKey Locking Insert (Keensert, Keysert etc.)SteelPlainms51830ca102l insert scr thread300
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CenturyNYKey Locking Insert (Keensert, Keysert etc.)SteelPlainms51830-102 insert scr thread(keylkd) .112-40 x .170l cres47
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GlobalCAKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-40ms51830-102l k-sert military ss/pa 0.134 d x 0.170 l x 10-32 thd 0.134 d x 0.170 l x 10-32 thd10
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GlobalCAKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-40ms51830-102 k-sert military ss/pa 0.134 d x 0.170 l x 4-40 internal x 10-32 external thd1,000
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BHAMALKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-40keensert MS51830-10253
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SRFALKey Locking Insert (Keensert, Keysert etc.)#4-40 x .1124-40 x .112 lg locking insert140
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AIHAZKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-404-40 10-32x.170 s/s key/lock-insert MS51830-10260
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AIHAZKey Locking Insert (Keensert, Keysert etc.)SteelPlain#4-404-40 10-32x.170 ss key/lock-insert with/i MS51830-102L2
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