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 designed for threading aluminum. This 5/16"-24 UNF tap features an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600900). 3G Electric sources…
SKU 3G-OTH-250415
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading aluminum. This 5/16"-24 UNF tap features an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600900). 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist expertise in cutting tools and precision threading.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for cutting internal threads in aluminum and non-ferrous materials before installing screw thread inserts. It is commonly used in aerospace, automotive, and general manufacturing applications where reliable thread reinforcement is required.
What are the specifications of the OSG STI Tap 5/16"-24 UNF?
This OSG tap has a 5/16"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point STI tap for aluminum, with manufacturer part number 1103600900. The H3 / 2B-3B designation ensures precise thread fit for insert installation.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial distributor since 1990, we source and deliver this OSG STI tap to any country. Contact us for availability and lead time to your location.
How to select the correct OSG STI tap for aluminum?
Select an OSG STI tap with the same thread size and pitch as the screw insert you plan to install. For aluminum, use a spiral-point design with a plug chamfer and H3 tolerance for optimal chip evacuation and thread quality. Always match the tap to the material hardness and insert specifications.
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.
