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OSG Screw Thread Insert STI Tap: Thread Forming, #8-36 UNF, H2 / 2B-3B - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG Screw Thread Insert STI Tap: Thread Forming, #8-36 UNF, H2 / 2B-3B

The OSG Screw Thread Insert STI Tap is a thread-forming tap for #8-36 UNF applications, featuring an H2 / 2B-3B tolerance and a Modified Bottoming Chamfer (MPN 1626001308). This tool is designed for forming internal…

SKU 3G-OTH-403869

Brand
OSG
Item
Screw Thread Insert STI Tap: Thread Forming, #8-36 UNF, H2 / 2B-3B
Category
Thread-Forming STI Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1626001308
Type
#8-36 UNF, H2 / 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 #8-36 UNF applications, featuring an H2 / 2B-3B tolerance and a Modified Bottoming Chamfer (MPN 1626001308). This tool is designed for forming internal threads in prepared holes to accept screw thread inserts.

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 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 Screw Thread Insert STI Tap?

This OSG thread-forming STI tap has a #8-36 UNF thread size, H2 / 2B-3B tolerance class, and a modified bottoming chamfer. The manufacturer part number is 1626001308. It is designed for forming threads in materials where chip evacuation is difficult, such as ductile metals.

Where to buy the OSG Screw Thread Insert STI Tap worldwide?

You can source the OSG Screw Thread Insert STI Tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

How to select the correct OSG STI tap for a thread insert?

Select the OSG STI tap based on the thread insert size and material. For #8-36 UNF inserts, use this tap with H2 tolerance for 2B-3B class threads. Ensure the tap matches the insert manufacturer's recommended drill size and chamfer type, such as modified bottoming for blind holes.

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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