HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 1"-8 UNC, H2 / 2B, 4 Flute
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose tap designed for installing screw thread inserts. This 1"-8 UNC tap features an H2 / 2B tolerance, 4 flutes, and a plug chamfer (MPN…
SKU 3G-OTH-262163
Also listed as: 1818716 · 18187 16
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) is a general-purpose tap designed for installing screw thread inserts. This 1"-8 UNC tap features an H2 / 2B tolerance, 4 flutes, and a plug chamfer (MPN 18187-16).
Frequently Asked Questions
What is the HELI-COIL Screw Thread Insert STI Tap used for?
The HELI-COIL STI Tap is used to cut internal threads for installing HELI-COIL screw thread inserts. It is designed for general-purpose tapping in metalworking, automotive, and industrial maintenance applications where thread repair or reinforcement is required.
What are the specifications of the HELI-COIL STI Tap 18187-16?
This STI tap has a 1"-8 UNC thread size, H2 / 2B tolerance, 4 flutes, and a plug chamfer. It is a straight flute, general-purpose tap designed specifically for HELI-COIL screw thread inserts. The manufacturer part number is 18187-16.
Where to buy the HELI-COIL STI Tap 18187-16 worldwide?
3G Electric supplies the HELI-COIL STI Tap 18187-16 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 STI tap for HELI-COIL inserts?
Select an STI tap that matches the insert's thread size and class. For a 1"-8 UNC insert, use a tap with the same thread designation and a tolerance like H2 / 2B. The plug chamfer and 4-flute design of this HELI-COIL tap provide good chip evacuation for general-purpose threading.
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.
