OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-10 UNC, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 3/4"-10 UNC with H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31403208). 3G Electric interprets this demand…
SKU 3G-OTH-284726
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 OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 3/4"-10 UNC with H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31403208). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.
What are the specifications of the OSG STI Tap 31403208?
The OSG STI Tap 31403208 has a 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a spiral-point plug chamfer design. It is a spiral-point STI tap for multiple materials, manufactured by OSG, and is available to order through 3G Electric.
Where to buy OSG STI Tap 31403208 worldwide?
You can source the OSG STI Tap 31403208 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG STI tap for thread inserts?
To select the correct OSG STI tap, match the tap thread size and pitch to the insert's nominal thread (e.g., 3/4"-10 UNC). Use the H3 / 2B-3B tolerance class for standard fit. Ensure the tap is designed for STI (screw thread insert) applications, as OSG taps are ground for insert-ready threads.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
