HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H3 / 3B, 4 Flute
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose tap for 3/4"-16 UNF threads, with H3 / 3B tolerance and a plug chamfer. It features 4 flutes and is identified by manufacturer part…
SKU 3G-OTH-262130
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Product Description
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose tap for 3/4"-16 UNF threads, with H3 / 3B tolerance and a plug chamfer. It features 4 flutes and is identified by manufacturer part number 8193-12.
Frequently Asked Questions
What is a HELI-COIL Screw Thread Insert STI Tap used for?
A HELI-COIL Screw Thread Insert STI Tap is used to cut internal threads for installing Heli-Coil wire thread inserts. It is commonly applied in automotive, aerospace, and industrial maintenance to repair or reinforce stripped threads in metal components.
What are the specifications of the HELI-COIL STI Tap 8193-12?
The HELI-COIL STI Tap 8193-12 is a general-purpose tap with 3/4"-16 UNF thread, H3 / 3B tolerance, 4 flutes, and a plug chamfer. It is designed for straight-flute cutting and is made by Heli-Coil, a brand we supply globally.
Where to buy HELI-COIL STI Tap 8193-12 worldwide?
You can order the HELI-COIL STI Tap 8193-12 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tap for your application.
How to select the correct HELI-COIL STI Tap for thread repair?
To select the correct HELI-COIL STI Tap, match the tap's thread size and pitch to the insert you plan to install. For the 8193-12, use it with 3/4"-16 UNF Heli-Coil inserts. Always verify the tap tolerance (H3/3B) matches your required thread class for proper fit.
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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.















