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3G Electric
OSG Screw Thread Insert STI Tap: Straight Fute, #8-36 UNF, H2 / 2B-3B, 3 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

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

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12600400) is a general-purpose STI tap with a #8-36 UNF thread size, H2 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. 3G Electric sources this…

SKU 3G-OTH-262075

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, #8-36 UNF, H2 / 2B-3B, 3 Flute
Part Number
12600400
Category
General Purpose STI Taps
Available to Order
Also known as:12600400OSG
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

OSG
Manufacturer Part Number
12600400
Type
#8-36 UNF, H2 / 2B-3B, Bottoming Chamfer
Flute
3

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

Product Description

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12600400) is a general-purpose STI tap with a #8-36 UNF thread size, H2 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. 3G Electric sources this precision tool as part of our industrial supply across 14 departments, with specialist 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 cut internal threads in a workpiece before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.

What are the specifications of the OSG STI Tap #8-36 UNF?

This OSG STI Tap has a #8-36 UNF thread size, H2 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is designed for general-purpose thread insert installation. The manufacturer part number is 12600400.

Where to buy OSG STI Tap #8-36 UNF worldwide?

3G Electric supplies and delivers the OSG STI Tap #8-36 UNF worldwide. We handle full logistics and customs clearance to ensure your order arrives at your facility, whether you are in North America, Europe, Asia, or the Middle East.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread insert size and class of fit. For a #8-36 UNF insert, use a tap with H2 / 2B-3B tolerance and a bottoming chamfer for blind holes. Always verify the tap's flute count and coating for the material being threaded.

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 general purpose 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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