HeliCoil Thread Repair Kits

HeliCoil Thread Repair Kits are used for repairing tapped holes which have been stripped or damaged due to wear, corrosion and overtorque, as well as for strengthening internal screw threads in metals, plastics, and other materials.

They contain all the necessary tools to repair stripped, worn, or damaged threads. After installation, the insert restores the damaged threads to a permanent, better-than-original condition quickly and easily, saving costs as well as preventing production delays in the process.


Bollhoff Germany HeliCoil

Standard Thread Repair Kit

All the tools required for thread repair packed into a neat and compact box for easy storage. Recommended for basic wire thread repair.

The HeliCoil Standard Kit contains a twist drill, HeliCoil tap, installation mandrel, tang break off tool, and HeliCoil inserts.


Workshop Kit

A repair kit packed with a heavy duty tool for higher volume installation in an easy-to-carry case. Recommended for low level production.

The HeliCoil Workshop Kit contains a twist drill, HeliCoil tap, heavy duty installation tool, tang break off tool, and HeliCoil inserts.


Range Kit

Consisting of a range of sizes, each Helicoil Range Kit comes with a HeliCoil installation mandrel, HeliCoil finishing tap, drill bit, tang break-off tool and a number of HeliCoils for each size.

The Helicoil Range Kit is effectively the most economical kit should you require tools for a range of many different sizes.


HeliCoil USA

Professional Kit

HeliCoil Professional Thread Repair Kits contain Helicoil inserts of 3 lengths (short, medium & long) for multiple applications, HSS drill bit, Helicoil finishing tap, installation tool, and the tang break off tool – all in a rugged new box.

They are available in metric sizes from M2 to M12 and in UNC/UNF sizes from #4-40 to 1/2”



Master Thread Repair Kit

These Kits contain HeliCoil inserts of medium length (1.5D), HSS drill, HeliCoil tap, and an installation tool.

HeliCoil Master Thread Repair Kits are available in metric sizes from M14 to M20 and in UNC/UNF sizes from 9/16” to 1-1/2”.



Master Thread Repair Set

The professional’s choice! HeliCoil Master Thread Repair Sets contain tools for the most commonly used thread sizes. Sizes in Metric Coarse, Metric Fine, Inch Coarse, and Inch Fine are available.

Kits are available for both metric and inches sizes, including - metric coarse, metric fine, inch coarse, and inch fine.

The sizes for each thread type are:

  • Metric M5, M6, M8, M10x1.5
  • Metric M5, M6, M8, M10x1.25
  • Inch Coarse (UNC) 1/4, 5/16, 3/8, 7/16, 1/2 and 5/8
  • Inch Fine (UNF) 10-32, 1/4, 5/16, 3/8, 7/16 and 1/2

Each HeliCoil Master Thread Repair Set contains a drill, HeliCoil tap, installation tool, a quantity of HeliCoil inserts for each size and complete installation instructions.


Armstrong UK Helicoil

Standard Thread Repair Kit
The Armstrong Standard Kit is a low cost thread repair system containing everything needed to make an effective thread repair.

It contains a prewinder installation tool, tap, a tang-break-off tool, and inserts. The kit comes in a sturdy plastic case which holds everything neatly and securely in place. To complete the package, an easy to read instruction sheet is also included for the user's ease of reference.



Single Size Kit

This is a complete kit of tools and inserts specially designed for use by OEM manufacturers. They are recommended for higher levels of usage and low volume production.

Each Single Size Kit features a heavy duty prewinder installation tool dedicated to one insert size. The tool is designed for rapid, accurate installation of inserts and its loading chamber positions the insert correctly and accurately, prior to prewinding and eventual installation, each and every time.

Other items contained in the Kit include a tap, a tang break-off tool, and inserts. To complete the package, an easy to read instruction sheet is also included.



Workshop Kit

The ultimate choice for any factory maintenance unit or automotive service centre! Each Workshop Kit contains 5 different sizes of installation tools, taps, and inserts - PLUS - an extracting tool should the insert require removal.

The Armstrong Workshop Kit features the unique Universal Inserting Tool, which has interchangeable nozzles and mandrels that converts the tool into the desired wire thread size.

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