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OSG Extension Tap: #12-24 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG Extension Tap: #12-24 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Extension Tap (#12-24 UNC, MPN 1653501808) is a spiral-point extension tap for multiple materials, featuring a H3 / 2B-3B tolerance, 3-flute design, plug chamfer, and V coated powdered metal construction…

SKU 3G-OTH-402419

Brand
OSG
Item
Extension Tap: #12-24 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps for Multiple Materials
Available to Order
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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
1653501808
Type
H3 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3

Technical Documents

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

Product Description

The OSG Extension Tap (#12-24 UNC, MPN 1653501808) is a spiral-point extension tap for multiple materials, featuring a H3 / 2B-3B tolerance, 3-flute design, plug chamfer, and V coated powdered metal construction. This tool is designed for threading applications requiring extended reach.

Frequently Asked Questions

What is the OSG Extension Tap #12-24 UNC used for?

The OSG Extension Tap #12-24 UNC is designed for threading blind or deep holes in multiple materials, including steel, stainless steel, and aluminum. Its extended length reaches recessed areas where standard taps cannot access, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Extension Tap MPN 1653501808?

The OSG Extension Tap MPN 1653501808 has a #12-24 UNC thread size, H3 / 2B-3B tolerance class, 3-flute design, plug chamfer, and V coating on powdered metal. It is a spiral-point extension tap for multiple materials, providing efficient chip evacuation and extended reach for deep-hole threading.

Where to buy the OSG Extension Tap #12-24 UNC worldwide?

You can source the OSG Extension Tap #12-24 UNC 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 tooling for international orders.

How to select the correct OSG Extension Tap for threading?

To select the correct OSG Extension Tap, match the thread size (e.g., #12-24 UNC) and tolerance class (H3 / 2B-3B) to your workpiece material and hole depth. For deep or blind holes, choose an extension tap with sufficient reach. OSG's V-coated powdered metal taps offer durability for ferrous and non-ferrous 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-point extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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OSG Extension Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1653501908)
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