7/16-14 Helical Inserts (1xD, 1.5xD, 2xD), Drill Bit, STI Plug Tap & Installation Tool

7/16-14 Complete Helical Thread Repair Kit (1xD, 1.5xD, 2xD)

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Your Price: $62.09

Our Complete Internal Thread Repair Kit includes HSS Drill Bit, HSS STI Plug Tap, 3 Lengths of Helical Inserts & Installation Tool

Part Number: 82122H

Availability: In Stock

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The only kit you'll need for internal thread repair!

Our complete thread repair kit includes:

HSS Drill Bit
HSS STI Plug Tap
3 Lengths of Helical Inserts

6 pcs. of 1xD Length
6 pcs. of 1.5xD Length
6 pcs. of 2xD Length

Installation Tool

Helical Insert Specs:

Internal Thread Size: 7/16-14 UNC
Length: 0.438" (1xD), 0.656" (1.5xD), 0.875" (2xD)
Material: 18-8 (304) Stainless Steel
Type: Free Running
Tap Size: 7/16-14 STI
Drill Size: 29/64"

Quickly and easily repair stripped or damaged threads, or create stronger original threads in die castings or plastics with our Helical Screw Thread Inserts. Coil tension securely holds the insert in place without undue tension on the surrounding material. The inserts are vibration and impact resistant. Made from corrosion resistant stainless steel, they offer a wide temperature tolerance.

Helical Inserts are often known by the brand names Helicoil or Recoil Screw Thread Inserts. Our Precision Thread Helical Inserts are interchangeable with other brands of inserts and tooling. If you are currently using Helicoil, Recoil, or Mil Spec part numbers for your inserts, please see our Cross Reference Numbers below for an easy and accurate transition to our Precision Thread Helical Inserts from Chrislynn.

Cross Reference: Helical Insert, 7/16-14, 0.656" (1.5xD) Length, Free Running

Chrislynn P/N: 82122H
Helicoil P/N: 1185-7CN-0656
Recoil P/N: 03073
Mil-Spec P/N: MS122124

Available Modifications to our Helical Inserts...

Material - Inconel X750, Phosphor-Bronze, Nitronic 60, 316 Stainless Steel
Coatings - Dry Film, Cadmium, Silver Plating
Please call for quote & lead time when requiring any modifications

Our Precision Thread Helical Inserts meet or exceed most applicable specifications, including: MS 122076 series, 124651 series, 21208, 21209, 33537, Mil-1-8846, and Mil-F-5577.

Need a different size or length? Just want the inserts?

For a comprehensive list of our available kits, inserts, and tools - please visit our Helical Thread Insert summary page.

Rating Snapshot

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Average Customer Ratings

5.0

Exceptional Quality

This is the highest quality kit that I've had the pleasure of using in a long time. After a recent rash of JUNK kits with taps that won't cut cast iron or steel and that gall aluminum I went in search of a quality kit. Look no further this is the kit you want. Skip the "heli-coil" or parts store branded thread repair kits and just buy one here instead. I promise you'll be glad that you did!

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Reviewed by: Luke Strasser from Jacksonville, FL on 3/11/2017

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7/16-14 Complete Helical Thread Repair Kit (1xD, 1.5xD, 2xD)

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