HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNC, H3 / 3B, 4 Flute
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute, MPN 8FPB) is a general-purpose tap for 1/2"-20 UNC threads, with H3 / 3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets demand and delivers…
SKU 3G-OTH-262135
Also listed as: 8 FPB · 8-FPB
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 8FPB) is a general-purpose tap for 1/2"-20 UNC threads, with H3 / 3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.
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 thread repair and reinforcement in metal components, commonly used in automotive, aerospace, and industrial maintenance applications.
What are the specifications of the HELI-COIL 8FPB STI Tap?
The HELI-COIL 8FPB STI Tap has a 1/2"-20 UNC thread size, H3 / 3B tolerance, 4 flutes, and a plug chamfer. It is a straight flute, general-purpose tap designed for use with HELI-COIL inserts. The manufacturer part number is 8FPB.
Where to buy HELI-COIL STI Taps worldwide?
HELI-COIL STI Taps are available to order 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 the STI Tap that matches the thread size and pitch of the HELI-COIL insert you plan to install. For example, the 8FPB tap is for 1/2"-20 UNC inserts. Always use the correct tap drill size and cutting fluid for the material to ensure proper thread engagement.
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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.
