OSG Screw Thread Insert STI Tap: Spiral Fute, #2-56 UNC, H2 / 2B-3B, 2 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for #2-56 UNC threads, featuring a bottoming chamfer and 2 flutes. It is manufactured to H2 / 2B-3B tolerance specifications (MPN 8003000).
SKU 3G-OTH-273428
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-flute tap designed for #2-56 UNC threads, featuring a bottoming chamfer and 2 flutes. It is manufactured to H2 / 2B-3B tolerance specifications (MPN 8003000).
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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap #2-56 UNC?
The OSG STI Tap has a #2-56 UNC thread size, H2 / 2B-3B tolerance, bottoming chamfer, and 2 spiral flutes. It is designed for use with screw thread inserts and is made by OSG. The manufacturer part number is 8003000.
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 #2-56 UNC STI Tap (MPN 8003000).
How to select the correct OSG STI Tap for a thread insert?
Select an OSG STI Tap that matches the thread insert size and class. For a #2-56 UNC insert, use a tap with H2 / 2B-3B tolerance and bottoming chamfer for blind holes. Always verify the tap flute count and material compatibility with your workpiece to ensure clean threads.
Used in
Common applications for OSGOSG Products
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.
