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OSG 1/4"-28 UNF General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG 1/4"-28 UNF General Purpose Spiral-Point Tap

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-216389

Brand
OSG
Item
1/4"-28 UNF General Purpose Spiral-Point Tap
Category
General Purpose Spiral-Point 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
2830401

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?

The 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. It is commonly used in automotive, aerospace, and general manufacturing for producing UNF threads with a plug chamfer.

What are the specifications of the OSG Spiral Point Tap MPN 2830401?

This OSG tap has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose spiral-point tap designed for through-hole applications. The manufacturer part number is 2830401, and it is suitable for threading in various materials.

Where to buy OSG Spiral Point Tap 2830401 worldwide?

You can source the OSG Spiral Point Tap 2830401 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG tap.

How to select the correct OSG spiral point tap for UNF threads?

Select an OSG spiral point tap by matching the thread size (e.g., 1/4"-28 UNF), chamfer type (plug for through-holes), and tolerance class (H3 for 2B-3B fit). Ensure the tap material suits your workpiece. For best results, use proper cutting fluid and follow OSG's recommended speeds and feeds.

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: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831800)
OSG
OSG Spiral Point Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831800)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design and plug chamfer push chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general manufacturing where UNF threads are required
OSG
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design and plug chamfer push chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general manufacturing where UNF threads are required
Spiral-point tap designed for through-hole threading in general-purpose applications. The spiral-point design pushes chips forward to reduce clogging and breakage. Suitable for creating internal threads in steel, aluminum, and other materials
OSG
Spiral-point tap designed for through-hole threading in general-purpose applications. The spiral-point design pushes chips forward to reduce clogging and breakage. Suitable for creating internal threads in steel, aluminum, and other materials
General purpose spiral-point tap designed for through-hole threading in ferrous and non-ferrous materials. The 3-flute design pushes chips forward, reducing clogging and breakage. Suitable for applications requiring clean, accurate UNC threads
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General purpose spiral-point tap designed for through-hole threading in ferrous and non-ferrous materials. The 3-flute design pushes chips forward, reducing clogging and breakage. Suitable for applications requiring clean, accurate UNC threads
General purpose spiral-point tap for through-hole threading. Features a 1/4-28 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and plug chamfer. Designed to push chips ahead, reducing clogging in applications such as automotive, aerospace, and general manufacturing
OSG
General purpose spiral-point tap for through-hole threading. Features a 1/4-28 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and plug chamfer. Designed to push chips ahead, reducing clogging in applications such as automotive, aerospace, and general manufacturing
OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830801)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830801)

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This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer, 2-flute design, and H3 / 2B-3B tolerance. Constructed from high-speed steel, it is suitable for general-purpose tapping applications in machining and maintenance
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This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer, 2-flute design, and H3 / 2B-3B tolerance. Constructed from high-speed steel, it is suitable for general-purpose tapping applications in machining and maintenance
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OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830000)
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OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830000)
This general-purpose spiral-point tap is made from high-speed steel with a plug chamfer and 2-flute design. It is intended for threading through holes in ferrous and non-ferrous materials, producing UNF threads. The H4 / 2B-3B tolerance class suits a range of threading applications
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This general-purpose spiral-point tap is made from high-speed steel with a plug chamfer and 2-flute design. It is intended for threading through holes in ferrous and non-ferrous materials, producing UNF threads. The H4 / 2B-3B tolerance class suits a range of threading applications
This spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. It features a 2-flute design with plug chamfer, black oxide high-speed steel construction, and a 2B thread class. The spiral point pushes chips forward to reduce clogging and breakage during production tapping
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This spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. It features a 2-flute design with plug chamfer, black oxide high-speed steel construction, and a 2B thread class. The spiral point pushes chips forward to reduce clogging and breakage during production tapping
General purpose spiral-point tap for through-hole threading. Made of high speed steel with H3 / 2B-3B tolerance, 2 flutes, and plug chamfer. Designed to push chips forward for efficient chip evacuation in production environments
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General purpose spiral-point tap for through-hole threading. Made of high speed steel with H3 / 2B-3B tolerance, 2 flutes, and plug chamfer. Designed to push chips forward for efficient chip evacuation in production environments
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This spiral-point tap is designed for through-hole threading in production machining. The spiral-point geometry pushes chips forward, preventing clogging and enabling efficient tapping cycles. Suitable for general-purpose threading in materials such as steel, aluminum, and cast iron