OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-16 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for aluminum, sized 3/8"-16 UNC with an H3 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part number 1103601000.
SKU 3G-OTH-250404
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 is a spiral-point tap for aluminum, sized 3/8"-16 UNC with an H3 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part number 1103601000.
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.
What are the specifications of the OSG STI Tap 3/8-16 UNC?
This OSG STI Tap has a 3/8-16 UNC thread, H3 / 2B-3B tolerance, 3-flute spiral-point design, and plug chamfer. It is designed for through-hole tapping in aluminum. The manufacturer part number is 1103601000.
Where to buy OSG STI Taps for aluminum worldwide?
3G Electric supplies OSG STI Taps for aluminum to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 3/8-16 UNC spiral-point tap.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 3/8-16 UNC. The tap tolerance (e.g., H3 / 2B-3B) must align with the insert manufacturer's recommendation. OSG taps are designed for aluminum and other soft materials.
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.
