Thread Repair Kit 3/8-16in.
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Heli-Coil Thread Repair Kit 3/8-16in.

Part No. HEL5521-6 Warranty Details  
All kits contain a Heli-Coil tap, installation tool, a quantity of insert and detailed instructions 12 inserts. Drill Size: 25/64
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by PowerReviews
Heli-CoilThread Repair Kit 3/8-16in.

(based on 1 review)

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  • 1 Stars



Reviewed by 1 customer

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(4 of 8 customers found this review helpful)


Aluminum Head Repair Heli-Coil


from Las Vegas

About Me Auto Enthusiast

Verified Buyer
Helpful Reviewer


  • Durable
  • Quality Product


    Best Uses

    • Automotive Repair Shop

    Comments about Heli-Coil Thread Repair Kit 3/8-16in.:

    Very easy to use

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