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OSG Thread Forming Tap: 1/4"-28 UNF, H8 / 2B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 1/4"-28 UNF, H8 / 2B, Modified Bottoming Chamfer

SKU 3G-OTH-237266

Brand
OSG
Item
Thread Forming Tap: 1/4"-28 UNF, H8 / 2B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400128800
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Thread Forming Tap 1/4"-28 UNF used for?

This OSG thread forming tap is used to create internal threads in ductile materials such as aluminum, brass, and low-carbon steel. It is ideal for automotive, aerospace, and general manufacturing applications where chip-free threading and high thread strength are required.

What are the specifications of the OSG Thread Forming Tap 1400128800?

The OSG Thread Forming Tap has a thread size of 1/4"-28 UNF, a thread tolerance of H8 / 2B, and a modified bottoming chamfer. It is made from cobalt high-speed steel for durability. The manufacturer part number is 1400128800.

Where to buy OSG Thread Forming Tap 1/4"-28 UNF worldwide?

You can source the OSG Thread Forming Tap 1/4"-28 UNF from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to select the correct OSG thread forming tap for my application?

Select the OSG thread forming tap based on thread size, pitch, and tolerance class (e.g., H8 / 2B for this tap). Ensure the material is suitable for cold forming—typically aluminum, brass, or steel with hardness below 30 HRC. Use a modified bottoming chamfer for blind holes.

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

OSG Products

3G Electric supplies OSG general purpose thread-forming taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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