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HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M14x1.5 Metric, H3 / 4H, 4 Flute - General Purpose STI Taps
HELI-COILGeneral Purpose STI Taps

HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M14x1.5 Metric, H3 / 4H, 4 Flute

The HELI-COIL Screw Thread Insert STI Tap is a general-purpose STI tap designed for M14x1.5 Metric threads. It features a straight flute, 4-flute design with a plug chamfer, and is rated H3 / 4H (MPN 5476-14).

SKU 3G-OTH-262147

Also listed as: 547614 · 5476 14

Brand
HELI-COIL
Item
Screw Thread Insert STI Tap: Straight Fute, M14x1.5 Metric, H3 / 4H, 4 Flute
Category
General Purpose STI Taps
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HELI-COIL
Manufacturer Part Number
5476-14
Type
M14x1.5 Metric, H3 / 4H, Plug Chamfer
Flute
4

Technical Documents

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

Product Description

The HELI-COIL Screw Thread Insert STI Tap is a general-purpose STI tap designed for M14x1.5 Metric threads. It features a straight flute, 4-flute design with a plug chamfer, and is rated H3 / 4H (MPN 5476-14).

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. It is used in industrial maintenance and manufacturing to repair or reinforce threads in metal components, ensuring strong, wear-resistant connections.

What are the specifications of the HELI-COIL STI tap 5476-14?

This HELI-COIL STI tap is M14x1.5 Metric with a straight flute, 4-flute design, plug chamfer, and H3 / 4H thread class. It is a general-purpose tap for installing screw thread inserts, manufactured by HELI-COIL under MPN 5476-14.

Where to buy HELI-COIL STI taps worldwide?

3G Electric supplies HELI-COIL STI taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this M14x1.5 tap (MPN 5476-14) to your facility, ensuring compliance with local import requirements.

How to select the correct STI tap for a thread repair?

Select an STI tap that matches the insert's thread size and pitch, such as M14x1.5. Use a tap with the correct thread class (e.g., H3 / 4H) and chamfer type (plug for through holes). Always follow the insert manufacturer's recommendations for hole preparation and tapping depth.

Used in

Common applications for HELI-COIL
Aerospace engine repair — HELI-COIL STI taps for M12x1.75 metric threads in aluminum alloy components
Automotive transmission rebuild — HELI-COIL STI taps for 7/16-14 UNC threads in cast iron housings
Industrial pump maintenance — HELI-COIL STI taps for #10-32 UNF threads in stainless steel pump bodies
Hydraulic cylinder repair — HELI-COIL STI taps for M6x1 metric threads in steel cylinder heads
General manufacturing — HELI-COIL STI taps for 9/16-18 UNF threads in machinery base plates

HELI-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.

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