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3G Electric
OSG #4-48 UNF Thread-Forming STI Tap, H3 / 2B-3B, Modified Bottoming Chamfer - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG #4-48 UNF Thread-Forming STI Tap, H3 / 2B-3B, Modified Bottoming Chamfer

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

Brand
OSG
Item
#4-48 UNF Thread-Forming STI Tap, H3 / 2B-3B, Modified Bottoming Chamfer
Part Number
1626000608
Category
Thread-Forming STI Taps
Available to Order
Also known as:1626000608OSG
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Local office
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Phone
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Technical Specifications

OSG
Manufacturer Part Number
1626000608
Type
#4-48 UNF, H3 / 2B-3B, Modified Bottoming Chamfer

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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 #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.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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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
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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

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