OSG Screw Thread Insert STI Tap: Spiral Fute, #3-48 UNC, H2 / 2B-3B, 2 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for #3-48 UNC threads with a bottoming chamfer. It features 2 flutes and is rated H2 / 2B-3B (MPN 10800100). 3G Electric interprets demand and…
SKU 3G-OTH-273400
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 #3-48 UNC threads with a bottoming chamfer. It features 2 flutes and is rated H2 / 2B-3B (MPN 10800100). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in cutting tools as an authorised distributor.
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 #3-48 UNC?
This OSG STI Tap has a #3-48 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer design. The spiral flute geometry helps evacuate chips upward during tapping. The manufacturer part number is 10800100. It is designed for use with screw thread inserts.
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 Screw Thread Insert STI Tap model 10800100.
How to select the correct OSG STI Tap for a thread repair?
To select the correct OSG STI Tap, match the tap thread size and pitch to the thread insert you plan to install. For a #3-48 UNC insert, use this STI tap with H2 / 2B-3B tolerance and bottoming chamfer for blind holes. Always verify the tap's flute count and coating suit the workpiece material.
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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.
