HELI-COIL General Purpose STI Tap, 7/8"-9 UNC, H3 / 3B, Plug Chamfer, 4 Flute
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute, MPN 8187-14) is a general-purpose STI tap for 7/8"-9 UNC threads, featuring H3 / 3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets this…
SKU 3G-OTH-262164
Also listed as: 818714 · 8187 14
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute, MPN 8187-14) is a general-purpose STI tap for 7/8"-9 UNC threads, featuring H3 / 3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets this demand and sources the genuine OEM tool, supporting your thread-repair or installation needs across 14 industrial departments — with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the HELI-COIL Screw Thread Insert STI Tap used for?
This tap is used to cut internal threads for HELI-COIL screw thread inserts in metal parts. It is designed for general-purpose thread repair or reinforcement in industrial applications such as automotive, aerospace, and heavy equipment maintenance.
What are the specifications of the HELI-COIL STI Tap 8187-14?
The tap has a 7/8"-9 UNC thread size, H3 / 3B tolerance, 4 flutes, and a plug chamfer. It is a straight flute, general-purpose STI tap manufactured by HELI-COIL. The part number is 8187-14.
Where to buy the HELI-COIL STI Tap 8187-14 worldwide?
3G Electric supplies the HELI-COIL STI Tap 8187-14 worldwide. As a global industrial equipment distributor, 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 thread repair?
Select a tap that matches the thread size and pitch of the HELI-COIL insert you are installing. For the 7/8"-9 UNC insert, use this STI tap with H3 / 3B tolerance. Always verify the tap's chamfer type and flute count suit your material and application.
Used in
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.
