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OSG Extension Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute - Spiral-Flute Extension Taps for Steel & Stainless Steel
OSGSpiral-Flute Extension Taps for Steel & Stainless Steel

OSG Extension Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute

SKU 3G-OTH-315323

Brand
OSG
Item
Extension Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute Extension Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
0144501
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Extension Tap 0144501 used for?

The OSG Extension Tap 0144501 is designed for threading blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, preventing clogging, while the bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Extension Tap 0144501?

The OSG Extension Tap 0144501 has a thread size of 3/8"-24 UNF, with a thread tolerance of H3 / 2B-3B. It features 3 flutes and a bottoming chamfer. This spiral-flute extension tap is designed for threading steel and stainless steel, and the manufacturer part number is 0144501.

Where to buy the OSG Extension Tap 0144501 worldwide?

You can source the OSG Extension Tap 0144501 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this OSG tap.

How to select the correct OSG extension tap for steel?

To select the correct OSG extension tap for steel, match the thread size (e.g., 3/8"-24 UNF) and tolerance (H3 / 2B-3B) to your application. For blind holes, choose a bottoming chamfer and spiral-flute design to clear chips. Ensure the tap is rated for steel and stainless steel, as OSG designs specific geometries for these materials.

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-flute extension taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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