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OSG 3/8"-24 UNF Thread-Forming STI Tap, H5 / 2B-3B, Modified Bottoming Chamfer - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG 3/8"-24 UNF Thread-Forming STI Tap, H5 / 2B-3B, Modified Bottoming Chamfer

The OSG Screw Thread Insert STI Tap is a thread-forming tap for 3/8"-24 UNF threads, with an H5 tolerance for 2B-3B class fit and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine…

SKU 3G-OTH-403905

Brand
OSG
Item
3/8"-24 UNF Thread-Forming STI Tap, H5 / 2B-3B, Modified Bottoming Chamfer
Part Number
1626002908
Category
Thread-Forming STI Taps
Available to Order
Also known as:1626002908OSG
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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
1626002908
Type
H5 / 2B-3B, Modified Bottoming Chamfer
UNF
3/8"-24

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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 3/8"-24 UNF threads, with an H5 tolerance for 2B-3B class fit and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps and controls 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 form internal threads in a workpiece before installing a helical wire 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 3/8"-24 UNF?

This OSG STI Tap has a thread size of 3/8"-24 UNF, a thread class of H5 / 2B-3B, and a modified bottoming chamfer. It is a thread-forming tap designed for use with screw thread inserts. The manufacturer part number is 1626002908.

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 and other OSG threading tools.

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

To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert's specifications. For example, a 3/8"-24 UNF tap is used with a corresponding 3/8"-24 UNF insert. Also consider the thread class (e.g., H5 / 2B-3B) and chamfer type based on material and hole depth.

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
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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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Thread-forming tap for creating internal threads in pre-drilled holes to accept helical wire thread inserts. Features a #4-48 UNF thread size, H2 / 2B-3B tolerance class, and modified bottoming chamfer. Used in general industrial machining for thread repair or reinforcement in metals
OSG
Thread-forming tap for creating internal threads in pre-drilled holes to accept helical wire thread inserts. Features a #4-48 UNF thread size, H2 / 2B-3B tolerance class, and modified bottoming chamfer. Used in general industrial machining for thread repair or reinforcement in metals

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