OSG Screw Thread Insert STI Tap: Spiral Fute, #10-32 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap (SKU 3G-OTH-273429, MPN 8009000) is a spiral-flute tap designed for #10-32 UNF threads with a H3 / 2B-3B tolerance class and a bottoming chamfer. It features 3 flutes for efficient…
SKU 3G-OTH-273429
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 (SKU 3G-OTH-273429, MPN 8009000) is a spiral-flute tap designed for #10-32 UNF threads with a H3 / 2B-3B tolerance class and a bottoming chamfer. It features 3 flutes for efficient chip evacuation in thread insert installation.
Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads for screw thread inserts in materials like aluminum, steel, and cast iron. The spiral flute design evacuates chips upward, making it ideal for blind-hole applications. It is commonly used in aerospace, automotive, and general manufacturing where reliable thread repair or reinforcement is needed.
What are the specifications of the OSG STI tap #10-32 UNF?
The OSG STI tap (MPN 8009000) is a #10-32 UNF spiral-flute tap with a bottoming chamfer and 3 flutes. It has a thread class of H3 / 2B-3B, meaning it produces a 2B-3B tolerance internal thread for STI inserts. It is designed for use with screw thread inserts in blind holes.
Where to buy OSG STI taps 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 the OSG #10-32 UNF spiral-flute STI tap (MPN 8009000).
How to select the correct OSG STI tap for a thread insert?
To select the correct OSG STI tap, match the tap size to the insert's thread specification, such as #10-32 UNF. Ensure the tap has the proper chamfer type (bottoming for blind holes) and flute style (spiral for chip evacuation). The thread class H3 / 2B-3B indicates the tap produces threads within the required tolerance for standard STI inserts.
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3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
