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OSG Screw Thread Insert STI Tap: Thread Forming, #2-56 UNC, H1 / 2B-3B - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG Screw Thread Insert STI Tap: Thread Forming, #2-56 UNC, H1 / 2B-3B

The OSG Screw Thread Insert STI Tap is a thread-forming tap designed for #2-56 UNC applications, with an H1 / 2B-3B tolerance and a modified bottoming chamfer. This tool, MPN 1626000108, is used to create threads for…

SKU 3G-OTH-403951

Brand
OSG
Item
Screw Thread Insert STI Tap: Thread Forming, #2-56 UNC, H1 / 2B-3B
Category
Thread-Forming STI Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1626000108
Type
#2-56 UNC, H1 / 2B-3B, Modified Bottoming Chamfer

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a thread-forming tap designed for #2-56 UNC applications, with an H1 / 2B-3B tolerance and a modified bottoming chamfer. This tool, MPN 1626000108, is used to create threads for screw thread inserts in industrial machining operations.

Frequently Asked Questions

What is an OSG Screw Thread Insert STI Tap used for?

An OSG Screw Thread Insert STI Tap is used to form internal threads in pre-drilled holes for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are needed in softer materials like aluminum or plastics.

What are the specifications of the OSG STI Tap #2-56 UNC?

This OSG STI Tap has a #2-56 UNC thread size, a thread-forming design, and a modified bottoming chamfer. It is rated H1 / 2B-3B tolerance, ensuring precise fit for STI inserts. The manufacturer part number is 1626000108, and it is designed for use with screw thread inserts in industrial applications.

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 this #2-56 UNC thread-forming tap.

How to select the correct OSG STI Tap for an application?

To select the correct OSG STI Tap, match the thread size (e.g., #2-56 UNC) and tolerance (H1 / 2B-3B) to your insert requirements. Choose a thread-forming tap for ductile materials to avoid chips. Ensure the chamfer type—modified bottoming for blind holes—suits your hole depth. Consult OSG's technical data for material-specific speeds.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

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.

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