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OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute

SKU 3G-OTH-214601

Brand
OSG
Item
Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
2830408
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral point tap 1/4"-28 UNF used for?

This OSG spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral point pushes chips forward, preventing chip clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNF threads are required.

What are the specifications of the OSG tap MPN 2830408?

The OSG tap has a thread size of 1/4"-28 UNF, with a ground thread tolerance of H3 / 2B-3B. It features 3 flutes and a plug chamfer. The manufacturer part number is 2830408. This general-purpose spiral-point tap is suitable for through-hole threading in various materials.

Where to buy OSG taps in worldwide?

You can source OSG taps, including the spiral point tap MPN 2830408, through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times.

How to select the correct OSG spiral point tap for a job?

Select based on thread size, pitch, and hole type. For through holes, a spiral point tap like this OSG 1/4"-28 UNF is ideal as it pushes chips ahead. Match the tap tolerance (H3 / 2B-3B) to your required thread class. Ensure the tap material suits your workpiece—OSG taps are available for steel, aluminum, and more.

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

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