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C-Kit Includes: 3/4-10 Heavy Duty Inserts, Tap, Drill, & Installation Tool
C-Kit Includes: 3/4-10 Heavy Duty Inserts, Tap, Drill, & Installation Tool

Key Locking Thread Repair C-Kit: 3/4-10, Heavy Duty, Steel

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Your Price: $204.10
Our "Complete" Thread Repair Kit includes a Package of (2) 3/4-10 Heavy Duty Inserts, Tap, Drill, & Installation Tool.
Part Number: 69909
Our "C" or Complete Kit Includes:
  • Key Locking Inserts - 2 pcs.
  • HSS Plug Tap
  • HSS Drill
  • Installation Tool
Key Locking Insert Specs:
  • Internal Thread Size: 3/4-10
  • External Thread Size: 1 1/8-12 
  • Wall Type: Heavy Duty
  • Length: 1.12"
  • Internal Thread Lock: No
  • External Thread Lock: Yes
  • Number of Locking Keys: 4
  • Material: Carbon Steel (C1215 or equivalent)
  • Tap Size: 1 1/8-12
  • Drill Size: 1 1/16

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.  Their external thread design provide maximum pull-out strength with a minimal outside diameter.

Instructions (After Drilling & Tapping):
  1. Engage insert keys into vertical slots of the installation tool.
  2. Screw insert into part and flush with top of the part.
  3. Lift - Rotate tool. Hole fits over the keys. Drive down as far as possible.
  4. Turn tool until timing mark lines up with key. Drive until keys even with top of insert.
Key Locking Thread Inserts are also known as:
  • Keenserts ®
  • Keyserts ®
  • K-Type Inserts
Our Key Locking Inserts are interchangeable with other brands of inserts and tooling such as Keenserts, Keyserts, and other standard Key Type Inserts so rest assured that you can make 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 product.

Available Modifications to our Key Inserts:
  • Material - Carbon Steel, 303 Stainless Steel, 316 Stainless Steel, A286 Stainless, 4140 Alloy, Nitronic 60
  • Coatings - Dry Film, Cadmium, Silver Plating
  • Wall Thickness - Thin Wall, Heavy Duty Wall, Extra Heavy Duty Wall, Solid Blank (Outside Thread Only), Miniatures
  • Types - Free Running (Only External Lock), Locking (Both Internal & External Lock)
  • MS/NAS Certified - 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.

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