OSG Screw Thread Insert STI Tap: Thread Forming, #4-48 UNF, H3 / 2B-3B
The OSG Screw Thread Insert STI Tap is a thread-forming tap for #4-48 UNF applications, featuring an H3 / 2B-3B tolerance and a modified bottoming chamfer (MPN 1626000608). 3G Electric sources this precision tool as…
SKU 3G-OTH-403918
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 thread-forming tap for #4-48 UNF applications, featuring an H3 / 2B-3B tolerance and a modified bottoming chamfer (MPN 1626000608). 3G Electric sources this precision tool as part of our broad industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to form internal threads in pre-drilled holes for installing screw thread inserts. It is ideal for aerospace, automotive, and general manufacturing applications requiring strong, precise threads in materials like aluminum and steel.
What are the specifications of the OSG STI Tap #4-48 UNF?
This OSG STI Tap has a #4-48 UNF thread size, H3 / 2B-3B tolerance, and a modified bottoming chamfer. It is a thread-forming tap designed for screw thread inserts, with manufacturer part number 1626000608. The H3 tolerance ensures precise fit for 2B-3B class threads.
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 times on the OSG #4-48 UNF STI Tap (MPN 1626000608).
How to select the correct OSG STI Tap for thread inserts?
To select the correct OSG STI Tap, match the tap thread size (e.g., #4-48 UNF) to the insert's internal thread specification. Ensure the tap tolerance (H3 / 2B-3B) aligns with your required thread class. Use a modified bottoming chamfer for blind holes. Always refer to OSG's recommendations for material and hole preparation.
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3G Electric supplies OSG thread-forming sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
