HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M12x1.5 Metric, D11 / 4H
The HELI-COIL Screw Thread Insert STI Tap: Straight Flute is a general-purpose STI tap designed for M12x1.5 Metric threads. It features a D11 / 4H tolerance and a 4-flute design, with manufacturer part number 5476-12.
SKU 3G-OTH-261985
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Screw Thread Insert STI Tap: Straight Flute is a general-purpose STI tap designed for M12x1.5 Metric threads. It features a D11 / 4H tolerance and a 4-flute design, with manufacturer part number 5476-12.
Frequently Asked Questions
What is a HELI-COIL STI tap used for?
A HELI-COIL STI tap cuts internal threads for installing screw thread inserts. This M12x1.5 Metric tap with D11 / 4H tolerance is used in metalworking and maintenance to restore or reinforce threads in applications like automotive, aerospace, and industrial machinery.
What are the specifications of the HELI-COIL 5476-12 STI tap?
The HELI-COIL 5476-12 is a general-purpose STI tap with M12x1.5 Metric thread, D11 / 4H tolerance, and a straight flute design with 4 flutes. It is manufactured by HELI-COIL and is designed for cutting threads for screw thread inserts.
Where to buy HELI-COIL STI taps worldwide?
3G Electric supplies HELI-COIL STI taps like the 5476-12 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct STI tap for a thread insert?
Select an STI tap that matches the thread insert's size and tolerance. For a M12x1.5 Metric insert, use a tap with the same thread designation and a D11 / 4H tolerance, like the HELI-COIL 5476-12. Always verify the tap's flute count and material compatibility with your workpiece.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















