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HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M3x0.5 Metric, D2 / 5H, 3 Flute - General Purpose STI Taps
HELI-COILGeneral Purpose STI Taps

HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M3x0.5 Metric, D2 / 5H, 3 Flute

The HELI-COIL Screw Thread Insert STI Tap: Straight Flute is a general-purpose STI tap designed for cutting threads for HELI-COIL screw thread inserts. This M3x0.5 Metric tap features a D2 / 5H tolerance, 3 flutes…

SKU 3G-OTH-261994

Also listed as: 20873 · 2087 3

Brand
HELI-COIL
Item
Screw Thread Insert STI Tap: Straight Fute, M3x0.5 Metric, D2 / 5H, 3 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
2087-3
Type
M3x0.5 Metric, D2 / 5H, Plug Chamfer
Flute
3

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: Straight Flute is a general-purpose STI tap designed for cutting threads for HELI-COIL screw thread inserts. This M3x0.5 Metric tap features a D2 / 5H tolerance, 3 flutes, and a plug chamfer, with manufacturer part number 2087-3.

Frequently Asked Questions

What is the HELI-COIL Screw Thread Insert STI Tap used for?

This STI tap is used to cut internal threads in metal or plastic for installing HELI-COIL screw thread inserts. It is a general-purpose tool for repair or production applications where a strong, wear-resistant thread is needed, commonly in automotive, aerospace, and industrial maintenance.

What are the specifications of the HELI-COIL STI Tap 2087-3?

The HELI-COIL STI Tap 2087-3 is an M3x0.5 Metric tap with a D2 / 5H tolerance, 3 straight flutes, and a plug chamfer. It is designed for cutting threads that accept HELI-COIL inserts. The tap is made by HELI-COIL and is suitable for general-purpose thread repair.

Where to buy HELI-COIL STI Taps worldwide?

You can source the HELI-COIL STI Tap 2087-3 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine HELI-COIL tooling for thread repair applications.

How to select the correct STI tap for HELI-COIL inserts?

Select an STI tap that matches the insert's thread size and pitch, such as M3x0.5 Metric. The tap tolerance (D2 / 5H) must align with the insert's internal thread class. Use a plug chamfer for through holes or bottoming chamfer for blind holes. Always refer to the HELI-COIL insert specifications for correct tap selection.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Straight flute STI tap for cutting internal threads to accept HELI-COIL screw thread inserts. M4x0.7 metric thread with D6 / 5H tolerance, plug chamfer, and 3 flutes. Used in general machining and repair applications for thread restoration
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Straight flute STI tap for cutting internal threads to accept HELI-COIL screw thread inserts. M4x0.7 metric thread with D6 / 5H tolerance, plug chamfer, and 3 flutes. Used in general machining and repair applications for thread restoration
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General purpose STI tap for creating internal threads for screw thread inserts. M5x0.8 metric size with straight flute design, 3 flutes, and plug chamfer. Rated D7 / 5H. Suitable for thread repair and reinforcement in metal components
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M5x0.8 Metric, D7 / 4H, 3 Flute, Plug Chamfer (MPN 4687-5)
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HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M5x0.8 Metric, D7 / 4H, 3 Flute, Plug Chamfer (MPN 4687-5)
General purpose STI tap for cutting internal threads to install screw thread inserts. Features M4x0.7 Metric thread size, D6 / 4H tolerance, plug chamfer, and 3 straight flutes. Suitable for general industrial threading applications
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General purpose STI tap for cutting internal threads to install screw thread inserts. Features M4x0.7 Metric thread size, D6 / 4H tolerance, plug chamfer, and 3 straight flutes. Suitable for general industrial threading applications
General purpose STI tap for creating internal threads for screw thread inserts. M2.5x0.45 metric thread size with D1 / 4H tolerance and 3-flute straight flute design. Used in thread repair and reinforcement applications in metal components
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General purpose STI tap for creating internal threads for screw thread inserts. M2.5x0.45 metric thread size with D1 / 4H tolerance and 3-flute straight flute design. Used in thread repair and reinforcement applications in metal components

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