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HELI-COIL 4937-150 Metric Free-Running Helical Insert Assortment - Helical Insert Assortments
HELI-COILHelical Insert Assortments

HELI-COIL 4937-150 Metric Free-Running Helical Insert Assortment

The HELI-COIL Thread Repair Kit (MPN 4937-150) is a tanged tang style helical insert assortment containing 60 pieces across 3 sizes, with 4 free-running inserts per size. It includes an STI tap size of M5-0.80…

SKU 3G-OTH-526542

Also listed as: 4937150 · 4937 150

Brand
HELI-COIL
Item
4937-150 Metric Free-Running Helical Insert Assortment
Part Number
4937-150
Category
Helical Insert Assortments
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

HELI-COIL
Manufacturer Part Number
4937-150
Type
Free-Running, 3 # of Sizes
Pieces
60
Inserts
4
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
M5-0.80
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
Insert Types Included
Helical Inserts
System of Measurement
Metric

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Thread Repair Kit (MPN 4937-150) is a tanged tang style helical insert assortment containing 60 pieces across 3 sizes, with 4 free-running inserts per size. It includes an STI tap size of M5-0.80, features a coarse thread type and right-hand thread direction, and is made from 18-8 material grade for use in metal. This metric kit is finished plain and is designed for thread repair applications.

Frequently Asked Questions

What is the HELI-COIL Thread Repair Kit 4937-150 used for?

The HELI-COIL Thread Repair Kit 4937-150 is used to restore damaged internal threads in metal components. It includes 60 helical inserts across 3 sizes, with 4 free-running inserts per size, and an STI tap size M5-0.80 for coarse metric threads.

What are the specifications of the HELI-COIL Thread Repair Kit 4937-150?

This kit includes 60 pieces across 3 sizes, with 4 free-running helical inserts per size. It features an STI tap size M5-0.80, coarse thread type, right-hand thread direction, and 18-8 material grade. It is metric and compatible with metal.

Where to buy the HELI-COIL Thread Repair Kit 4937-150 worldwide?

3G Electric supplies the HELI-COIL Thread Repair Kit 4937-150 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this thread repair kit to your facility, regardless of location.

How to select the right HELI-COIL thread repair kit for metric threads?

To select the right HELI-COIL kit, match the STI tap size to your damaged thread's nominal diameter and pitch. For metric coarse threads like M5-0.80, use a kit with the corresponding tap and inserts. Ensure the kit includes the correct number of inserts for your repair job.

Used in

Common applications for HELI-COIL
Aerospace — Tangless screw-locking HELI-COIL inserts in 18-8 stainless steel for vibration-resistant threaded joints in airframe and engine components.
Automotive — Free-running tanged HELI-COIL inserts in metric sizes for repairing stripped threads in aluminum engine blocks and transmission housings.
Industrial machinery — STI taps and prewinder installation tools for on-site repair of threaded holes in cast iron and steel machine frames.
Oil and gas — Nitronic 60 HELI-COIL inserts for galling resistance in stainless steel valve bodies and pump housings exposed to corrosive media.
MRO and maintenance — HELI-COIL thread repair kits containing inserts, drill, tap, and installation tool for restoring damaged threads without replacing the parent component.
Electrical equipment — Screw-locking tangless HELI-COIL inserts for securing fasteners in metal enclosures and control panels subject to vibration.
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HELI-COIL Products

3G Electric supplies HELI-COIL helical insert assortments. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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HELI-COIL Thread Repair Kit: 6 Inserts, 54 Pieces, 3 # of Sizes, Tanged Tang Style, Free-Running (MPN 4934)
This helical insert assortment includes 60 pieces across 3 sizes, featuring a tanged tang style and free-running design. The inserts are made from 18-8 stainless steel with a plain finish and have a fine right-hand thread (STI Tap Size 1/4"-28). Suitable for restoring damaged internal threads in metal components, commonly used in automotive, aerospace, and industrial maintenance applications
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This helical insert assortment includes 60 pieces across 3 sizes, featuring a tanged tang style and free-running design. The inserts are made from 18-8 stainless steel with a plain finish and have a fine right-hand thread (STI Tap Size 1/4"-28). Suitable for restoring damaged internal threads in metal components, commonly used in automotive, aerospace, and industrial maintenance applications
This 6-pack assortment of free-running helical inserts is made from 18-8 stainless steel with a plain finish. Each insert features a fine M10-1.00 metric thread, right-hand direction, and a tensile strength of 200,000 to 250,000 psi. Designed for use with metal materials, these inserts are commonly used to repair or reinforce threads in applications such as automotive, aerospace, and industrial equipment
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This 6-pack assortment of free-running helical inserts is made from 18-8 stainless steel with a plain finish. Each insert features a fine M10-1.00 metric thread, right-hand direction, and a tensile strength of 200,000 to 250,000 psi. Designed for use with metal materials, these inserts are commonly used to repair or reinforce threads in applications such as automotive, aerospace, and industrial equipment

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