HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M5x0.8 Metric, D7 / 4H, 3 Flute
The HELI-COIL Screw Thread Insert STI Tap: Straight Flute is a general-purpose STI tap designed for M5x0.8 Metric threads. It features a D7 / 4H tolerance, 3 flutes, and a plug chamfer, with manufacturer part number…
SKU 3G-OTH-262144
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Product Description
The HELI-COIL Screw Thread Insert STI Tap: Straight Flute is a general-purpose STI tap designed for M5x0.8 Metric threads. It features a D7 / 4H tolerance, 3 flutes, and a plug chamfer, with manufacturer part number 4687-5.
Frequently Asked Questions
What is the HELI-COIL Screw Thread Insert STI Tap used for?
The HELI-COIL STI Tap is used to cut internal threads for installing HELI-COIL screw thread inserts. It is designed for general-purpose thread repair and reinforcement in metal components, commonly used in automotive, aerospace, and industrial maintenance applications.
What are the specifications of the HELI-COIL STI Tap 4687-5?
The HELI-COIL STI Tap has an M5x0.8 Metric thread size, D7 / 4H tolerance, 3 flutes, and a plug chamfer. It is a straight-flute, general-purpose tap with manufacturer part number 4687-5, designed for use with HELI-COIL thread inserts.
Where to buy HELI-COIL STI Taps worldwide?
You can source HELI-COIL STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the 4687-5 tap.
How to select the correct HELI-COIL STI Tap for M5 threads?
To select the correct STI tap, match the thread size and pitch to the insert—M5x0.8 requires a tap with the same designation. Ensure the tap has a D7 / 4H tolerance for proper fit. HELI-COIL taps are pre-sized for their inserts, so use the manufacturer part number 4687-5 for M5 applications.
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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.















