Armstrong Precision Components UK
Bollhoff HeliCoil Germany
About HeliCoil/ArmaCoil Thread Repair Kits
HeliCoil/ArmaCoil 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. 

Helicoil/Armacoil Thread Repair Kits 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 Thread Repair Kits
Emhart USA HeliCoil Thread Repair Kits
Helicoil Screw Thread Inserts Logo
HeliCoil / ArmaCoil Thread Repair Kits
Bollhoff HeliCoil Germany Standard Thread Repair Kit
Bollhoff HeliCoil Standard Thread Repair Kit 

All the tools required for HeliCoil wire 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, HeliCoil installation mandrel, 
HeliCoil tang break off tool, and HeliCoil inserts. 
Bollhoff HeliCoil Workshop Kit

A HeliCoil thread 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, HeliCoil heavy duty installation 
tool, HeliCoil tang break off tool, and HeliCoil inserts. 
Bollhoff HeliCoil Range Kit

Consisting of a range of sizes, every 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. 
Emhart HeliCoil Professional Kit 

HeliCoil Professional Thread Repair Kits contain Helicoil wire thread 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. 
Helicoil Professional Thread Repair Kits are available in metric sizes from M2 to M12 and in UNC/UNF sizes from #4-40 to 1/2”
Emhart HeliCoil Master Thread Repair Kit 

HeliCoil Master Thread Repair Kits contain HeliCoil inserts of medium length (1.5D), HSS drill, 
HeliCoil tap, and HeliCoil 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”. 
Emhart HeliCoil 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, HeliCoil installation tool, a quantity of HeliCoil inserts for each size and complete installation instructions.
Armstrong ArmaCoil Workshop Kit

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

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

Armstrong ArmaCoil Single Size Kits are a complete kit of ArmaCoil tools and inserts specially 
designed for use by OEM manufacturers. They are recommended for higher levels of usage 
and low volume production. 

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

Other items contained in the Armstrong ArmaCoil Single Size Kit includes an ArmaCoil tap, 
an ArmaCoil tang break-off tool, and ArmaCoil inserts. To complete the package, an easy to 
read instruction sheet is also included. 
Armstrong ArmaCoil Standard Thread Repair Kit

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

The Armstrong ArmaCoil Standard Thread Repair Kit contains a prewinder ArmaCoil 
installation tool, ArmaCoil tap, a tang-break-off tool, and ArmaCoil 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. 
Armstrong UK ArmaCoil Thread Repair Kits
Bollhoff HeliCoil Germany Range Kit
Bollhoff HeliCoil Germany Workshop Kit
Emhart Technologies USA HeliCoil Professional Thread Repair Kit
Emhart Technologies USA HeliCoil Range Kit
Emhart Technologies USA HeliCoil Master Thread Repair Kit
Armstrong UK Armacoil Standard Thread Repair Kit
Armstrong UK Armacoil Workshop Kit
Armstrong UK Armacoil Single Size Kit
Emhart Technologies USA

About Us

Products 

• Screw Thread Inserts
> HeliCoil 
> ArmaCoil
> Thread Repair Kits
> Electric/Pneumatic Power Tools
> Manual Installation Tools
> Screw Thread Insert Taps
> Gauges & Extraction Tools
> Tang Break Off Tools

• Keensert Key-Locking Inserts
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