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OSG 9/16"-12 UNC Thread-Forming STI Tap, H9 / 2B-3B, V Coated Cobalt - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG 9/16"-12 UNC Thread-Forming STI Tap, H9 / 2B-3B, V Coated Cobalt

The OSG Screw Thread Insert STI Tap is a thread-forming tap for 9/16"-12 UNC threads, with an H9 / 2B-3B tolerance and V Coated Cobalt construction (MPN 1626004008). This tool is designed for forming internal threads…

SKU 3G-OTH-403904

Brand
OSG
Item
9/16"-12 UNC Thread-Forming STI Tap, H9 / 2B-3B, V Coated Cobalt
Part Number
1626004008
Category
Thread-Forming STI Taps
Available to Order
Also known as:1626004008OSG
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Technical Specifications

OSG
Manufacturer Part Number
1626004008
Type
H9 / 2B-3B, V Coated Cobalt
UNC
9/16"-12

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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 9/16"-12 UNC threads, with an H9 / 2B-3B tolerance and V Coated Cobalt construction (MPN 1626004008). This tool is designed for forming internal threads in prepared holes for screw thread inserts.

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 helical wire 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 cast iron.

What are the specifications of the OSG STI Tap 1626004008?

The OSG STI Tap 1626004008 is a thread-forming tap for 9/16"-12 UNC threads. It has a tolerance class of H9 / 2B-3B, features a V Coated Cobalt material for durability, and is designed for use with screw thread inserts. The manufacturer part number is 1626004008.

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 1626004008 or other thread-forming taps.

How to select the correct OSG STI Tap for thread inserts?

To select the correct OSG STI Tap, match the tap size to the thread insert's nominal thread (e.g., 9/16"-12 UNC). Ensure the tap tolerance (H9 / 2B-3B) aligns with the required thread class. Use a thread-forming tap for ductile materials; OSG's V Coated Cobalt taps offer extended tool life in abrasive applications.

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
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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