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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

OSG General Purpose Spiral-Point Taps.

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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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

OSG
Manufacturer Part Number
2830408

Technical Documents

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

Product Description

OSG General Purpose Spiral-Point Taps.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: 1/4"-28 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2809600)
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2809600)
OSG Spiral Point Tap: 1/4"-28 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2809601)
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2809601)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral point pushes chips ahead, reducing clogging. It features a 1/4"-28 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer
OSG
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral point pushes chips ahead, reducing clogging. It features a 1/4"-28 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer
General purpose spiral-point tap for threading blind or through holes in metal. Spiral-point design pushes chips forward for efficient chip evacuation. Thread size 3/8"-24 UNF, tolerance H2 / 2B-3B, 3 flutes, plug chamfer
OSG
General purpose spiral-point tap for threading blind or through holes in metal. Spiral-point design pushes chips forward for efficient chip evacuation. Thread size 3/8"-24 UNF, tolerance H2 / 2B-3B, 3 flutes, plug chamfer
General purpose spiral-point tap for through-hole threading. The spiral-point design pushes chips forward, enabling high-speed production tapping in materials such as steel and cast iron. Features a plug chamfer and 3 flutes with H2 / 2B-3B thread tolerance
OSG
General purpose spiral-point tap for through-hole threading. The spiral-point design pushes chips forward, enabling high-speed production tapping in materials such as steel and cast iron. Features a plug chamfer and 3 flutes with H2 / 2B-3B thread tolerance
OSG Spiral Point Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826801)
OSG
OSG Spiral Point Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826801)

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This spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral point pushes chips forward to reduce clogging, enabling efficient tapping in production environments. Made from high-speed steel with a plug chamfer and 3-flute design, it is suitable for general-purpose tapping applications
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This spiral-point tap is designed for threading through holes and blind holes in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, reducing chip clogging. The tap features a plug chamfer, 3 flutes, and a black oxide finish on high-speed steel. It is suitable for general manufacturing applications requiring precise UNC threads
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OSG
General purpose spiral-point tap for threading through holes in ferrous and non-ferrous materials. Made from high-speed steel with a plug chamfer and 3 flutes. Thread tolerance H3 / 2B-3B. The spiral point design pushes chips forward to reduce clogging and breakage