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OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer - Spiral-Point Extension Taps
OSGSpiral-Point Extension Taps

OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Extension Tap (#10-32 UNF, MPN 1294801) is a spiral-point extension tap with a plug chamfer, black oxide high-speed steel construction, and an H3 / 2B-3B tolerance class. It features 2 flutes and is designed…

SKU 3G-OTH-313577

Brand
OSG
Item
Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps
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Technical Specifications

OSG
Manufacturer Part Number
1294801
Type
H3 / 2B-3B, Plug Chamfer, Black Oxide High Speed Steel
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Extension Tap (#10-32 UNF, MPN 1294801) is a spiral-point extension tap with a plug chamfer, black oxide high-speed steel construction, and an H3 / 2B-3B tolerance class. It features 2 flutes and is designed for threading applications requiring extended reach.

Frequently Asked Questions

What is OSG Extension Tap #10-32 UNF used for?

This OSG extension tap is used for threading #10-32 UNF holes in hard-to-reach areas. Its extended length and 2-flute spiral-point design clear chips forward, making it ideal for through-hole applications in machining, automotive, and general manufacturing where standard taps cannot reach.

What are the specifications of OSG Extension Tap MPN 1294801?

The OSG Extension Tap MPN 1294801 is a #10-32 UNF, H3 / 2B-3B class of fit, with 2 flutes, plug chamfer, and black oxide high-speed steel construction. It is designed for threading blind or through holes where extended reach is required.

Where to buy OSG Extension Tap #10-32 UNF worldwide?

3G Electric supplies the OSG Extension Tap #10-32 UNF MPN 1294801 worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time for your region.

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

To select the correct OSG extension tap, match the thread size (#10-32 UNF), class of fit (H3 / 2B-3B), and chamfer type (plug) to your hole requirements. Ensure the tap length provides sufficient reach. For blind holes, use a plug or bottoming chamfer; for through holes, spiral-point design is preferred.

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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