OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-24 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for aluminum, sized 5/16"-24 UNF with an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600908). 3G Electric interprets this demand and sources…
SKU 3G-OTH-250405
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 aluminum, sized 5/16"-24 UNF with an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600908). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise in industrial equipment across 14 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 aluminum and other non-ferrous materials for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are needed in softer base materials.
What are the specifications of the OSG 5/16"-24 UNF STI Tap?
This OSG STI tap has a 5/16"-24 UNF thread size, H3 / 2B-3B tolerance, 3-flute design, and a plug chamfer. It is a spiral-point tap for through-hole threading in aluminum. The manufacturer part number is 1103600908. OSG is the OEM brand for this precision cutting tool.
Where to buy OSG STI taps in worldwide?
You can source OSG STI taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG 5/16"-24 UNF spiral-point tap.
How to select the correct STI tap for aluminum?
For aluminum, choose a spiral-point STI tap with a plug chamfer and H3 tolerance for 2B-3B class threads. Ensure the tap size matches the insert's thread specification, such as 5/16"-24 UNF. OSG taps are designed for aluminum and provide good chip evacuation and thread finish.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
