HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 5/8"-18 UNF, H3 / 3B, 4 Flute
SKU 3G-OTH-262119
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Frequently Asked Questions
What is a HELI-COIL STI tap used for?
A HELI-COIL STI tap cuts internal threads for installing Heli-Coil screw thread inserts. It is used in metalworking and maintenance to repair stripped threads or strengthen threads in softer materials like aluminum, ensuring a durable, reusable connection.
What are the specifications of the HELI-COIL 8193-10 STI tap?
The HELI-COIL 8193-10 is a general-purpose STI tap with 5/8"-18 UNF thread, H3 / 3B tolerance, 4 flutes, and a plug chamfer. It is designed for cutting threads that accept Heli-Coil inserts, ensuring precise fit and thread strength.
Where to buy HELI-COIL STI taps for worldwide delivery?
3G Electric supplies HELI-COIL STI taps like the 8193-10 for worldwide delivery. We handle full logistics, customs clearance, and shipping to your facility, ensuring you receive the correct tap for thread repair or insert installation.
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 5/8"-18 UNF. Use a plug chamfer for through holes or bottoming for blind holes. The H3 / 3B tolerance ensures proper fit. Always refer to the insert manufacturer's specifications for tap selection.
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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.















