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OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer - Spiral-Point Extension Taps
OSGSpiral-Point Extension Taps

OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Extension Tap (#10-24 UNC, MPN 1294500) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H3 / 2B-3B for thread class tolerance.

SKU 3G-OTH-313601

Brand
OSG
Item
Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1294500
Type
H3 / 2B-3B, Plug Chamfer, High Speed Steel
Flute
2

Technical Documents

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

Product Description

The OSG Extension Tap (#10-24 UNC, MPN 1294500) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H3 / 2B-3B for thread class tolerance.

Frequently Asked Questions

What is the OSG Extension Tap #10-24 UNC used for?

The OSG Extension Tap #10-24 UNC is used for threading blind or deep holes in metalworking applications. Its extended reach allows access to recessed areas where standard taps cannot reach. It is commonly used in automotive, aerospace, and general manufacturing for creating precise internal threads in steel, aluminum, and other materials.

What are the specifications of the OSG Extension Tap MPN 1294500?

The OSG Extension Tap MPN 1294500 is a #10-24 UNC spiral-point tap with a plug chamfer and 2 flutes. It is made of high-speed steel and has a thread class of H3 / 2B-3B. This design provides efficient chip evacuation and is suitable for through-hole or blind-hole threading in various materials.

Where to buy the OSG Extension Tap #10-24 UNC worldwide?

You can source the OSG Extension Tap #10-24 UNC (MPN 1294500) worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine OSG taps for industrial threading applications.

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

To select the correct OSG extension tap, match the tap size (e.g., #10-24 UNC) to the required thread specification. Consider the material being threaded, hole depth, and chamfer type—plug chamfer is for general blind holes. The H3 / 2B-3B class ensures proper fit. For extended reach applications, choose an extension tap like the OSG 1294500.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1294800)
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OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1294800)
OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294601)
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OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294601)
OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294501)
OSG
OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294501)
OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294801)
OSG
OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294801)
OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294701)
OSG
OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294701)
OSG Extension Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1294400)
OSG
OSG Extension Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1294400)

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OSG Extension Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1294300)
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OSG Extension Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1294300)