HELICOIL CATALOGUE PDF

Insert Systems. Wire Inserts. Since its inception in , Heli-Coil has. Our strict quality programs ensure that we meet the latest industry standards of QS. Our SPC and detailed inspection programs elevate our quality.

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Insert Systems. Wire Inserts. Since its inception in , Heli-Coil has. Our strict quality programs ensure that we meet the latest industry standards of QS.

Our SPC and detailed inspection programs elevate our quality. Heli-Coil wire inserts are manufactured with over 60 years of experience. We are. Heli-Coil is committed to developing superior products manufac-. We are more than just a supplier, we. Types of Inserts. They are available in inch series coarse and fine and metric series, coarse and fine.

Inch series Screw- Lock inserts are dyed red for identification. Standard Heli-Coil Insert. Screw-Lock Heli-Coil Insert. Heli-Coil screw thread inserts. Heli-Coil inserts are preci-.

The resultant surface finish is a mirror-like micro inches. See page 8 for material avail- ability. Heli-Coil inserts are larger in diameter before installation than the tapped hole. During installation the inserting tool applies torque to the tang re- ducing the diameter of the leading coil permitting it to en- ter the tapped thread.

After in- stallation each high tensile stainless steel coil of the insert expands outward with a spring- like action permanently an- choring the insert.

Illustration of the Retention Principle. Size Range:. The unique design features of the insert offer many benefits…. Tapped threads are strength- ened because the inherent flexibility of the insert provides a more balanced distribution of dynamic and static loads throughout the length of thread engagement.

This flexibility also compensates for variation in lead and angle error allowing each coil to carry its share of the load. Thread life is dramatically increased even after repeated assembly and disassembly, because the insert hardness and surface finish practically eliminate erosion of the thread form due to friction. Under normal environmental conditions, Heli-Coil inserts minimize galvanic action within the threaded assembly because of their superior cor- rosion resistance.

Bolt tensile strength can be balanced against parent mate- rial shear strength, assuring bolt failure rather than parent material damage. Five insert lengths are available in each thread size. Virtually no stress is intro- duced into the parent material because there is no staking,.

Heli-Coil inserts can generally be incorporated in existing designs, where no provision has been made for an insert, without increasing boss size. Cost savings abound. Lower insert cost, lower installation cost, and Heli-Coil inserts provide design flexibility by allowing a wide choice of parent materials while main- taining maximum threaded assembly strength. Maximum clamping action and bolt tension are assured with minimum wrench torque, be- cause of the mirror-smooth surface finish of Heli-Coil inserts.

Stringent Quality Assurance and Engineering Standards are rigidly enforced in all phases of the manufacturing process. This assures integrity of your product design. High Production Heli-Coil inserts are available mounted on plastic strips and wound onto reels or inserts per reel. With power installation tooling, use of strip feed inserts will substantially increase installation rates by minimizing handling. Successful applications in the fields of aviation, electron- ics, industrial, automotive and military equipment provide a wealth of experience and confi- dence in the performance and reliability of Heli-Coil inserts.

Total Design Service In addition to the benefits listed above, Heli-Coil provides a wide range of support to solve fasten- ing problems. Additionally, our Sales Engineers, Applications Engineers and Design Engineers are available for consultation of specific designs.

When the product gets to the manufacturing phase, our exten- sive experience in production tooling and installation tech- niques ensures that you can indeed make your product better with Heli-Coil inserts.

Heli-Coil screw locking thread inserts. Heli-Coil offers three types of locking inserts for multiple appli- cations…. Screw-Lock Inserts:. Hi-Torque Inserts:. Stud-Lock Inserts:. Locks Adjustment Screws. This simple design allows permanent, positive adjustment of screws in any position, secure against vibration or impact. Inaccessible or Miniaturized Assemblies. Heli-Coil Screw-Lock insert permits the installa- tion of the lock from the front or top.

No blind fumbling for assembly of lock washers or lock nuts behind or under- neath. Lock Set Screws. Positively locks assembly against loosening at desired adjustment — protects threads against stripping under high torque — permits use of light housing materials.

The pressure is exerted between the flanks of the bolt thread to establish an extensive positive and consistent self-locking torque over more cycles than any other prevailing torque mechanism. Military Standards. Heli-Coil inserts and tooling comply with the following Stan- dards and Specifications:. Insert — Stan- dard Dimensions, Assembly.

Insert, Screw Thread, Helical Coil. Tools for insert- ing and extracting Helical Coil Inserts. Material Spec: AS Inconel X Phosphor Bronze.

Tensile: , PSI. Hardness: HRB Corrosion resistance: High. Dry Film. Provides additional lubrication in high friction applications. Color: Grey. Provides high corrosion resistance.

Provides lubrication to prevent galling Not recommended for new design due to its toxic nature. Primer -. Prevents galvanic corrosion between insert and parent material. Eliminates need for zinc primers Eliminates locking torque issues associated with primers Improves installation productivity Provides additional lubrication facilitating insert installation. Material Spec: None.

Color: Glossy black. Recommended to reduce galling of threads at high temperatures. Material Spec: QQ-S Color: Silver white.

Facilitates verification of insert installation. Heli-Coil screw lock torque data. To im- prove the wear life of the screws in Screw-Lock insert applications, specify Dry Film Lubricant Molybdenum Disulfide , cadmium plating or Primer Free coating be applied to the insert.

Locking Torque 15 t h Cycle. Locking Torque 15 t h Cycle N. Torque values shown are interpolated from sizes that are included.

All torque data derived for stainless inserts only. Heli-Coil design data. Assembly Strength. Heli-Coil offers maximum design flexibility while adhering to conser- vative engineering practice allowing use of Heli-Coil inserts in virtually any application or material.

Five lengths of inserts are available. This choice of insert. This allows for the design of assemblies where the bolt will fail before the parent material. Tables III and IV below show the length of insert to be used with different combinations of bolts and parent materials. Shear strength of parent material PSI Alum. Shear strength of parent material MPa megapascals Alum. Corrosion Protection Methods.

Iridite 14 or MIL-C is recommended for critical parts rather than anodizing. For HAE finishes, always plug tapped holes first.

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HeliCoil Catalogue

Inserts are available in a variety of materials and special coatings. With Heli-Coil threads, tapped holes are strengthened and thread life is dramatically increased. Heli-Coil Inserts are The Original. Manual Tools Heli-Coil offers They are both available in Tanged and Tangless; Inch and Metric series.

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