HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 7/8"-9 UNC, H5 / 2B, 4 Flute
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute, MPN 18187-14) is a general-purpose STI tap for 7/8"-9 UNC threads, with H5 / 2B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets your demand…
SKU 3G-OTH-262101
Also listed as: 1818714 · 18187 14
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 (Straight Flute, MPN 18187-14) is a general-purpose STI tap for 7/8"-9 UNC threads, with H5 / 2B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is the HELI-COIL Screw Thread Insert STI Tap used for?
This 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 18187-14?
The HELI-COIL STI Tap has a 7/8"-9 UNC thread size, H5/2B tolerance, straight flute design with 4 flutes, and a plug chamfer. It is a general-purpose tap for creating threads that accept HELI-COIL inserts. The manufacturer part number is 18187-14.
Where to buy HELI-COIL STI Tap 18187-14 worldwide?
You can source the HELI-COIL STI Tap 18187-14 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.
How to select the correct HELI-COIL STI Tap for thread repair?
Select a HELI-COIL STI tap that matches the thread size and pitch of the insert you plan to install. For the 7/8"-9 UNC insert, use this tap with H5/2B tolerance. Ensure the tap chamfer type (plug, bottoming, or taper) suits your hole depth. Always follow HELI-COIL installation guidelines.
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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.
