EXW Singapore — collect or forward from our Singapore office.

3G Electric
OSG Thread-Forming STI Tap, 7/16"-20 UNF, H5 / 2B-3B, V Coated Cobalt - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG Thread-Forming STI Tap, 7/16"-20 UNF, H5 / 2B-3B, V Coated Cobalt

3G Electric supplies the OSG Screw Thread Insert STI Tap: Thread Forming (SKU 3G-OTH-403937), a thread-forming tap for 7/16"-20 UNF threads. This H5 / 2B-3B tolerance tap features V Coated Cobalt construction (MPN…

SKU 3G-OTH-403937

Brand
OSG
Item
Thread-Forming STI Tap, 7/16"-20 UNF, H5 / 2B-3B, V Coated Cobalt
Part Number
1626003308
Category
Thread-Forming STI Taps
Available to Order
Also known as:1626003308OSG
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1626003308
Type
H5 / 2B-3B, V Coated Cobalt
UNF
7/16"-20

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

3G Electric supplies the OSG Screw Thread Insert STI Tap: Thread Forming (SKU 3G-OTH-403937), a thread-forming tap for 7/16"-20 UNF threads. This H5 / 2B-3B tolerance tap features V Coated Cobalt construction (MPN 1626003308). We interpret your thread-insert tapping needs, source this specialist tool, and support your application across 14 industrial departments — with deep expertise in combustion, pumps and controls.

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 ideal for aerospace, automotive, and general manufacturing applications requiring strong, wear-resistant threads in materials like aluminum and steel.

What are the specifications of the OSG STI Tap 7/16"-20 UNF?

This OSG STI Tap has a 7/16"-20 UNF thread size, H5 / 2B-3B tolerance, and a V coated cobalt construction. The manufacturer part number is 1626003308. It is designed for thread forming in materials requiring high precision and durability.

Where to buy OSG STI Tap 7/16"-20 UNF worldwide?

You can source the OSG STI Tap 7/16"-20 UNF from 3G Electric, which handles global logistics, customs clearance, and delivery to worldwide destinations. We supply genuine OSG cutting tools across industrial sectors, ensuring you receive the correct part for your application.

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

To select the correct OSG STI Tap, match the thread size (e.g., 7/16"-20 UNF) and tolerance class (H5 / 2B-3B) to your insert requirements. Use a V coated cobalt tap for harder materials. Always verify the manufacturer part number, such as 1626003308, to ensure compatibility.

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
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from OSG

View all OSG parts →
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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first