OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 3G-OTH-250413, MPN 1103600608) is a spiral-point STI tap for aluminum, sized 1/4"-20 UNC with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric…
SKU 3G-OTH-250413
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: Spiral Point (SKU 3G-OTH-250413, MPN 1103600608) is a spiral-point STI tap for aluminum, sized 1/4"-20 UNC with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets your demand for this precision threading tool, sourcing it from OSG and supporting your application with specialist expertise across 14 industrial departments.
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 an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in aluminum to accept helical wire thread inserts. It is used in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes, ensuring strong, wear-resistant threads in soft materials.
What are the specifications of the OSG STI Tap 1/4"-20 UNC?
This OSG spiral-point STI tap has a 1/4"-20 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for through-hole tapping in aluminum. The manufacturer part number is 1103600608.
Where to buy OSG STI Taps for aluminum worldwide?
3G Electric supplies OSG STI taps for aluminum worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this 1/4"-20 UNC spiral-point tap.
How to select the correct STI tap size for thread inserts?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 1/4"-20 UNC. The tap tolerance (e.g., H3 / 2B-3B) must align with the insert's class. OSG taps are designed for aluminum; use proper cutting fluid and speed for best results.
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.
