OSG Screw Thread Insert STI Tap: Straight Fute, 1/4"-28 UNF, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap (SKU 3G-OTH-262002) is a General Purpose STI Tap with a Straight Flute design, sized 1/4"-28 UNF. It features a Plug Chamfer, 3 flutes, and is rated H2 / 2B-3B (MPN 1806600).
SKU 3G-OTH-262002
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 OSG Screw Thread Insert STI Tap (SKU 3G-OTH-262002) is a General Purpose STI Tap with a Straight Flute design, sized 1/4"-28 UNF. It features a Plug Chamfer, 3 flutes, and is rated H2 / 2B-3B (MPN 1806600).
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads for helical coil inserts in metal parts. It is ideal for aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed. The plug chamfer and 3-flute design provide balanced cutting action for consistent thread quality.
What are the specifications of the OSG STI Tap 1/4"-28 UNF?
This OSG STI Tap has a 1/4"-28 UNF thread size, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The manufacturer part number is 1806600. It is designed for general purpose tapping of threads for screw thread inserts, ensuring proper fit for STI coils.
Where to buy OSG STI Tap 1/4"-28 UNF worldwide?
You can source the OSG STI Tap 1/4"-28 UNF worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. As a distributor, we provide reliable supply chain support for industrial tooling needs.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread size and tolerance required for your helical coil insert. For a 1/4"-28 UNF insert, use this tap with H2 / 2B-3B tolerance. Ensure the tap matches the insert's pitch and class. Plug chamfer is suitable for through or blind holes.
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3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
