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OSG Extension Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer - Spiral-Point Extension Taps
OSGSpiral-Point Extension Taps

OSG Extension Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer

SKU 3G-OTH-313599

Brand
OSG
Item
Extension Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps
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Technical Specifications

OSG
Manufacturer Part Number
1294100
Type
H3 / 2B-3B, Plug Chamfer, High Speed Steel
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is an OSG extension tap used for?

An OSG extension tap is used to cut internal threads in hard-to-reach or deep-hole applications. The extended shank allows threading in locations where a standard tap cannot reach, such as in engine blocks or deep bores. It is commonly used in automotive, aerospace, and general machining.

What are the specifications of the OSG #6-32 UNC extension tap?

This OSG extension tap is #6-32 UNC with a H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and made from high-speed steel. The manufacturer part number is 1294100. It is designed for threading in steel, aluminum, and other common materials.

Where to buy OSG extension taps worldwide?

3G Electric supplies OSG extension taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and can provide the correct part for your threading application.

How to select the correct OSG extension tap for a job?

To select the correct OSG extension tap, match the thread size (e.g., #6-32 UNC), thread class (H3 / 2B-3B), and chamfer type (plug) to your application. Consider the material being threaded and the required reach. For deep or obstructed holes, an extension tap like this OSG 1294100 is appropriate.

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 spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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