HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 1 1/8"-12 UNF, H4 / 3B, 6 Flute
The HELI-COIL Screw Thread Insert STI Tap is a general-purpose tap with a straight flute design, specified as 1 1/8"-12 UNF, H4 / 3B class, featuring a plug chamfer and 6 flutes (MPN 8193-18). This tool is engineered…
SKU 3G-OTH-262127
Also listed as: 819318 · 8193 18
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Screw Thread Insert STI Tap is a general-purpose tap with a straight flute design, specified as 1 1/8"-12 UNF, H4 / 3B class, featuring a plug chamfer and 6 flutes (MPN 8193-18). This tool is engineered for creating threads to accommodate HELI-COIL screw thread inserts.
Frequently Asked Questions
What is the HELI-COIL Screw Thread Insert STI Tap 8193-18 used for?
This STI tap is used to cut internal threads for HELI-COIL screw thread inserts in metal components. It is commonly applied in automotive, aerospace, and industrial maintenance to repair or reinforce stripped threads, ensuring strong, reusable connections in demanding environments.
What are the specifications of the HELI-COIL STI Tap 8193-18?
The tap has a UNF thread size of 1 1/8"-12, type H4 / 3B with a plug chamfer, and 6 straight flutes. It is a general-purpose STI tap designed for use with HELI-COIL inserts. The manufacturer part number is 8193-18.
Where to buy the HELI-COIL STI Tap 8193-18 worldwide?
3G Electric supplies the HELI-COIL STI Tap 8193-18 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct HELI-COIL STI tap for a repair job?
Match the tap's thread size and pitch to the insert you plan to use. For a 1 1/8"-12 UNF insert, select an STI tap with the same designation, such as the 8193-18. Ensure the tap's tolerance (H4/3B) aligns with your required thread class for proper fit.
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Common applications for HELI-COILHELI-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.
