HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts
The HELI-COIL Thread Gauge (MPN 4624-3) is a metric thread gauge for helical inserts, compatible with M3-0.50 external thread size, coarse thread type, and right-hand thread direction. 3G Electric sources this…
SKU 3G-OTH-531039
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Thread Gauge (MPN 4624-3) is a metric thread gauge for helical inserts, compatible with M3-0.50 external thread size, coarse thread type, and right-hand thread direction. 3G Electric sources this installation tool as part of our broader industrial supply capability across 14 departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the HELI-COIL Thread Gauge 4624-3 used for?
The HELI-COIL Thread Gauge 4624-3 is used to verify the correct thread size and pitch before installing helical inserts. It ensures M3-0.50 coarse, right-hand threads are properly gauged, preventing installation errors in maintenance and repair applications across industrial equipment.
What are the specifications of the HELI-COIL Thread Gauge 4624-3?
The HELI-COIL Thread Gauge 4624-3 is a metric thread gauge for helical inserts. It is compatible with M3-0.50 external thread size, coarse thread type, and right-hand thread direction. The tool type is thread gauge, and the system of measurement is metric.
Where to buy the HELI-COIL Thread Gauge 4624-3 worldwide?
3G Electric supplies the HELI-COIL Thread Gauge 4624-3 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this installation tool to your facility, supporting your helical insert installation needs.
How to use the HELI-COIL Thread Gauge 4624-3 for helical inserts?
To use the HELI-COIL Thread Gauge 4624-3, first clean the tapped hole. Insert the gauge into the hole; it should fit smoothly without force for M3-0.50 coarse threads. If the gauge does not fit, re-tap the hole before installing the helical insert to ensure proper thread engagement.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL installation tools for helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









