OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-24 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap (MPN 1713408) is a spiral-point STI tap for steel and stainless steel, sized 5/16"-24 UNF with a H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer.
SKU 3G-OTH-265352
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 (MPN 1713408) is a spiral-point STI tap for steel and stainless steel, sized 5/16"-24 UNF with a H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It is used in manufacturing and repair applications where stripped or damaged threads must be restored with a stronger, wear-resistant insert.
What are the specifications of the OSG STI Tap 1713408?
The OSG STI Tap 1713408 is a spiral-point, plug-chamfer tap with 3 flutes. It cuts a 5/16"-24 UNF thread and is ground to H3 tolerance for producing 2B-3B class internal threads. It is designed specifically for steel and stainless steel workpieces.
Where to buy OSG STI Tap 1713408 worldwide?
3G Electric supplies the OSG STI Tap 1713408 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine OSG tooling through our global supply network.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread size and pitch of the insert you plan to install. For a 5/16"-24 UNF insert, use an STI tap with the same designation. The tap's H3 tolerance ensures the tapped hole meets the 2B-3B class required for proper insert seating.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
