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Home » Our Products » Bollhoff & Recoil Helicoil


Bollhoff & Recoil Helicoil

The simple, cost effective quality thread insert systems for repairing or creating and securing stronger threads. The Recoil system consist of precision inserts, high quality, high speed Taps and simple to use installation tool. Recoil helically wound screw thread inserts are manufactured with 304 (18-8) stainless steel wire cold rolled into a diamond shaped cross section. Recoil inserts are also manufactured in other material such as inconel, nimonic 90, phosphor bronze and 316 stainless steel. These inserts are available in standard free running forms or screw lock type which provides an internal locking feature. Recoil inserts are manufactured for every thread form including UNC, UNF, BSC, BSW, BSP, BSF, BA, NPT and ISO metric thread sizes. Recoil kits contain HSS tap, Installation tool, inserts and a full range of problem solving range kits. A wide range of semi automatic, electric and pneumatic installation tool, HSS taps and complete installation systems are available for production application. Recoil range of Go NoGo gauges are also available to enable precision fit required in volume production applications.

  • Recoil offers quickest and simplest method of repair to stripped or damage threads
  • A superior threads with great holding power
  • Most cost effective method of repair
  • Returns threads to the original sizes
  • Generally stronger than the original female threads


Recoil’s quality system is accredited to ISO9001, QS9000, TS 16949, ISO 14001 and AS9100.

Recoil Inserts meet current military and aviation standards. Recoil inserts can be used in applications where temperature range up to 430*C / 800*F.

Helicoil Thread Inserts

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Helicoil Thread Inserts
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Approx. Rs 24 / PieceGet Latest Price

Product Brochure
Product Details:
Minimum Order Quantity50 Piece
MaterialStainless Steel
ColorSilver
FinishingGalvanized
Usage/ApplicationAutomobile Industry
BrandHelicoil
Country of OriginMade in India
Wire Diameter9 mm

We are Exporter/Wholesaler/Stcokist in India and offer significant cost benefits to end users including strategic business supports worldwide. We are committed to highest Quality Standards and employs strict Quality Management Systems in accordance with ISO 9001-2001 accreditation.

 

 

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HeliCoil Insertion Tools

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HeliCoil Insertion Tools
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Approx. Rs 765 / PieceGet Latest Price

Product Details:
MaterialStainless Steel
ColorSilver
Country of OriginMade in India
SizeM1.6
Diameter10 mm
HardnessHRC40
Thickness30 mm

HeliCoil Insertion Tools - Prewinder Type are available as both plain slotted and threaded mandrel captive & non-capitive tools ranging from size M1.6, M2 – M39 and in UNC / UNF category from 1-64 to 1-1/2”. HeliCoil insertion tools comes in variety of configurations such as Threaded Mandrel Type Insertion Tool Threaded Mandrel Prewinder tools having threaded nozzle: Tool is available as both Capitive & Non-Capitive type depending on size & pitch. Plain Mandrel Prewinder tools having threaded nozzle: Tool is available as both Capitive & Non-Capitive type depending on size & pitch. Larger insertion tool sizes are also available & made on request. HeliCoil Prewinder tools are best suited for easy & fatigue free installation of inserts in production line to achieve a high quality of HeliCoil insert installation & prevent jumping of coil threads. Threaded mandrel prewinders are also best recommended for successful installation of screw locking inserts and free running inserts having a fine thread pitch. 
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Helicoil Thread Repair Kit

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Helicoil Thread Repair Kit
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Approx. Rs 765 / KitGet Latest Price

Product Brochure
Product Details:
Usage/ApplicationAutomobile Industry
Warranty1 Year
PackagingBox
MaterialPlastic
No. Of Pieces34
SizeM20
Weight8 kg
Country of OriginMade in India

All HeliCoil Thread Repair Kit including the Professional Thread Repair Kits are used for creating stronger internal threads in all metals, composites, polymers and other materials by repairing damaged or stripped internal threads and regaining the original thread size. HeliCoil Thread Repair Kit creates longer lasting durable threads, avoids thread over-sizing, increases the possibility of higher torque application in weaker metals, significantly reduces the bolt breaking problems & HeliCoil being made of stainless steel protects against atmospheric corrosion. HeliCoil Professional Thread Repair Kits include everything required to do the job right – good number of inserts each of 3 lengths (short, medium & long) for multiple applications, HSS drill bit ,Finishing tap, installation tool and tang breaking tool – all in a rugged new box. These kits are available in metric range from M2 to M12 and in UNC/UNF range "4-40 to 1/2”. 

HeliCoil After Market Thread Repair Kits are available in economy packs with all basic tools required to perform a thread repair. Each kit has a finishing tap, installation tool, a good quantity of 1.5D length of inserts, tang breaking pin and complete instructions. These kits are available as selective range in metric from M4 to M20 and in UNC/UNF range 8-32 to 1/2”.  
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Stainless steel Thread Inserts

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Stainless steel Thread Inserts
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Approx. Rs 21 / PieceGet Latest Price

Product Brochure
Product Details:
MaterialStainless Steel
Size10 mm
GradeSS304
CoatingTitanium
Country of OriginMade in India
ColorSilver
Diameter3 inch

Stainless Steel Thread Inserts are generally manufactured from Type 304(18-8) Stainless Steel Wire. However, inserts are available in a range of materials:

  • Stainless Steel Grade 304 (AMS7245/DTD 734A)
  • Special purpose Stainless Steel AISI 304 – Non-magnetic
  • Stainless Steel Grade AISI 316
  • Special purpose materials such as Inconel -750, Phosphar, Bronze and others

 

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Helicoil Thread Plug Gauge

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Helicoil Thread Plug Gauge
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Approx. Rs 1,365 / PieceGet Latest Price

Product Brochure
Product Details:
MaterialOHNS
Gauge TypeGO / NO - GO
Thread TypeMetric
BrandHeliCoil
Thread SizeM3
Gauge Class6 H
Hardness62 HRC
Handle DesignDouble Ended

HeliCoil Gauges are available as Go/No Go thread plug gauges for inspection of tapped holes prior to HeliCoil fitment. The gauges are available in 5H & 6H class for Metric sizes and 2B/3B for UNC/UNF sizes. 
Accuracy of the finished thread when the insert is installed is dependent upon the accuracy of the tapped hole. If the finished tapped hole gages satisfactorily, the installed insert will be within the thread tolerance. It is not necessary to gage the installed insert. After the insert is installed, the GO thread plug gage may not enter freely; however, the insert will always seat itself when the bolt or screw is installed and tightened. (Reference NASM33537).
Gage handles and all gage nibs are marked with the extreme product limits for the particular size and class of fit. When gaging tapped holes which have been thoroughly cleaned or which have a protective finish applied, the gage should always be lubricated with light oil. HI nib may enter provided a definite drag results on or before 3rd turn from entry – Ref. FEDSTD-H28, Screw thread Standards for Federal Services.

Working gages provide a guaranteed minimum wear allowance on the pitch diameter of the GO members of two ten thousandths of an inch (.0002). These gages are recommended for production in sizes 1/2 inch and smaller.
Reference gages have pitch diameters on or close to minimum (basic size). They are essentially laboratory or master gages and should be used in case of conflict between two working gages. Conflict can occur when one of the gages has experienced more use and wear. 
The complete gage consists of the GO thread plug gage, the HI thread plug gage and the appropriately marked gage handle. Accuracy of the finished thread, when the insert is installed, is dependent upon the accuracy of the tapped hole. 
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Free Running Inserts

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Free Running Inserts
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Approx. Rs 180 / PieceGet Latest Price

Product Details:
MaterialStainless Steel
BrandHelicoil
Size16 mm
Country of OriginMade in India
ColorSilver
ShapeRound Spring

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Extraction Tool

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Extraction Tool
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Approx. Rs 475 / PieceGet Latest Price

Product Brochure
Product Details:
SizeM1.6
MaterialHSS
Country of OriginMade in India
ColorSilver
HardnessExtraction Tools
Corrosion ResistanceYes

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Self Locking Inserts

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Self Locking Inserts
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Approx. Rs 29 / PieceGet Latest Price

Product Brochure
Product Details:
Lock TypeSelf Lock
BrandHelicoil
MaterialStainless Steel
ColorSilver
ShapeRound
Country of OriginMade in India

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Helicoil Free Running Inserts

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Helicoil Free Running Inserts
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Approx. Rs 47 / PieceGet Latest Price

Product Brochure
Product Details:
MaterialMild Steel
BrandHelicoil
Size16 mm
Country of OriginMade in India
Usage/ApplicationThreaded Repair
ColorRed


Additional Information:

  • Item Code: BOLLHOFF
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    Helicoil Thread Tap

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    Helicoil Thread Tap
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    Approx. Rs 250 / PieceGet Latest Price

    Product Brochure
    Product Details:
    MaterialStainless Steel
    ColorSilver
    Usage/ApplicationThread Cutting
    Material GradeSS304
    Size12 mm
    Length3 inch
    Country of OriginMade in India

    HeliCoil Thread Tap are available in HSS material as standard product and as specials in HSSE or HSS with High Cobalt contents. In addition the taps can also be provided with special wear resistant coatings. Standard HeliCoil taps are designed and manufactured of high speed steel to the most rigid specifications in various types and styles to produce holes for tolerance class 4H5H and 5H6H in Metric series and of class 2B/3B in UNC/UNF series for use in the general range of aluminum, magnesium, mild steels and alloy steels. Types of HeliCoil taps: HeliCoil Hand taps; Roughing, Finishing ( Plug ) & Bottoming Style HeliCoil Spiral Pointed Machine Taps HeliCoil Spiral Fluted Machine Taps
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