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OSG Screw Thread Insert STI Tap: Thread Forming, #10-32 UNF, H4 / 2B-3B - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG Screw Thread Insert STI Tap: Thread Forming, #10-32 UNF, H4 / 2B-3B

The OSG Screw Thread Insert STI Tap is a thread-forming tap for #10-32 UNF applications, with an H4 / 2B-3B tolerance and a modified bottoming chamfer. This tool is designed to form internal threads for screw thread…

SKU 3G-OTH-403901

Brand
OSG
Item
Screw Thread Insert STI Tap: Thread Forming, #10-32 UNF, H4 / 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
1626001808
Type
#10-32 UNF, H4 / 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 for #10-32 UNF applications, with an H4 / 2B-3B tolerance and a modified bottoming chamfer. This tool is designed to form internal threads for screw thread inserts, ensuring precise fit and performance 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 a workpiece before installing a helical coil thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer materials like aluminum or cast iron.

What are the specifications of the OSG STI Tap #10-32 UNF?

This OSG STI Tap is a thread-forming tap for #10-32 UNF screw thread inserts. It has a thread class of H4 / 2B-3B and a modified bottoming chamfer. The manufacturer part number is 1626001808. It is designed to produce threads that accept standard helical coil inserts.

Where to buy OSG STI Tap #10-32 UNF worldwide?

You can source the OSG STI Tap #10-32 UNF from 3G Electric, which supplies genuine industrial tooling worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other OSG taps.

How to select the correct STI tap for thread inserts?

To select the correct STI tap, match the tap's thread size and pitch to the insert's specifications. For example, this OSG tap is for #10-32 UNF inserts. Use a thread-forming tap for ductile materials to avoid chip problems. Always verify the thread class (e.g., H4 / 2B-3B) matches your required fit.

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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