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Key Locking Inserts
Key Locking Thread Insert: 7/8-9, Extra Heavy Duty, Steel (1 pc)
Key Locking Thread Inserts: 7/8-9, Extra Heavy Duty, Steel, Pkg. of 1
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Extra Heavy Duty
Number of Locking Keys:
Carbon Steel (C1215 or equivalent)
Key Locking Thread Inserts are an ideal solution to repair stripped, damaged and worn threads or to provide thread reinforcement in a weaker parent material, especially when the mating stud or bolt will be removed frequently. They provide strong, permanent threads in virtually any material - ferrous, non-ferrous, or non-metallic. The insert's locking keys are driven down into the tapped threads of the parent material during installation creating a positive mechanical lock that prevents rotation due to vibration or torsion.
The increased wall thickness and greater external thread area of these Extra Heavy Duty Threaded Inserts offer superior pull-out strength, stability, and longer life.
These inserts should be used in materials with lower ultimate shear strength to obtain maximum pull-out strength and holding power.
Only Standard Drill and Tap required
Can be used in most materials...aluminum, magnesium, cast iron, carbon steel, stainless steel and plastic.
Simple installation compared to helical wire inserts.
Nearly impossible for the insert to turn after installation.
Nearly impossible to cross thread while installing.
Adhesive not required to hold insert in place.
Rarely affected by hot or cold temperatures because it is held in place mechanically.
Easy to remove.
Key Locking Thread Insert: 7/8-9 ID, 1 3/8-12 OD, Carbon Steel, Free Running
If you are currently using Keysert part numbers for your inserts, please see our Cross Reference list above for an easy and accurate transition to our Rock Solid line of Key Locking Inserts from Chrislynn.
Step up to quality and value with this
Made in the USA
Available Modifications to our Key Inserts:
- Carbon Steel, 303 Stainless Steel, 316 Stainless Steel, A286 Stainless, 4140 Alloy, Nitronic 60
- Dry Film, Cadmium, Silver Plating
- Thin Wall, Heavy Duty Wall, Extra Heavy Duty Wall, Solid Blank (Outside Thread Only), Miniatures
Free Running (Only External Lock), Locking (Both Internal & External Lock)
- Produced to the following standards: MS51830, MS51831, MS51832, NAS1394, NAS1395, NA0146, NA0147, NA0148, NA0149, NA0150, NA0151.
For a comprehensive list of our available options, please visit our
Key Locking Thread Insert
summary page or call us toll free at (888) 835-0868.
SAME DAY SHIPPING IF ORDERED BY 3PM CST.
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Key Locking Thread Insert: 7/8-9, Extra Heavy Duty, 303 Stainless Steel (1 pc)
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TERMS & CONDITIONS
W328S8900 S Oak Tree Dr
P.O. Box 504
Mukwonago, WI 53149 US