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OSG Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-215823

Brand
OSG
Item
Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute
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
2827601

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 1/2"-20 UNF used for?

This OSG spiral point tap is designed for through-hole threading in general-purpose machining. Its 3-flute, plug chamfer design pushes chips forward, making it ideal for production tapping in steel, aluminum, and cast iron across automotive, aerospace, and industrial manufacturing.

What are the specifications of the OSG tap 2827601?

The OSG spiral point tap (MPN 2827601) has a 1/2"-20 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose tap for through-hole applications, suitable for consistent thread quality in medium-strength materials.

Where to buy OSG taps in worldwide?

3G Electric supplies and delivers OSG taps like the 1/2"-20 UNF spiral point tap (2827601) to worldwide locations. We handle full logistics and customs clearance, ensuring you receive genuine OSG cutting tools for your production needs.

How to select the right OSG tap for through-hole threading?

For through-hole threading, choose a spiral point tap like this OSG 1/2"-20 UNF model. It pushes chips forward, reducing clogging. Match the thread size, pitch, and tolerance (H2 / 2B-3B) to your material and hole requirements. Consult OSG's application data for optimal 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
This spiral-point tap is designed for threading through-holes in metals. The spiral point pushes chips forward, preventing clogging. It is suitable for creating UNF threads in steel, aluminum, and alloys. Thread size: 1/2"-20 UNF, tolerance H2 / 2B-3B, 3 flutes, plug chamfer
OSG
This spiral-point tap is designed for threading through-holes in metals. The spiral point pushes chips forward, preventing clogging. It is suitable for creating UNF threads in steel, aluminum, and alloys. Thread size: 1/2"-20 UNF, tolerance H2 / 2B-3B, 3 flutes, plug chamfer
OSG Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2827608)
OSG
OSG Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2827608)
OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826400)
OSG
OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826400)
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
OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826401)
OSG
OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826401)
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

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General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size #6-32 UNC with H2 / 2B-3B tolerance, 2 flutes, and plug chamfer. Spiral point design pushes chips ahead to reduce clogging. Suitable for applications requiring precise internal threads
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General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size #6-32 UNC with H2 / 2B-3B tolerance, 2 flutes, and plug chamfer. Spiral point design pushes chips ahead to reduce clogging. Suitable for applications requiring precise internal threads
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General purpose spiral-point tap for threading through holes in metal and other materials. Features a #10-24 UNC thread size, 2B class of fit, 2 flutes, and plug chamfer. Made from high-speed steel (HSS). The spiral-point design pushes chips forward to prevent clogging, enabling faster, cleaner threading in production environments
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General purpose spiral-point tap for threading through holes in metal and other materials. Features a #10-24 UNC thread size, 2B class of fit, 2 flutes, and plug chamfer. Made from high-speed steel (HSS). The spiral-point design pushes chips forward to prevent clogging, enabling faster, cleaner threading in production environments
General purpose spiral-point tap for through-hole threading in metals such as steel, aluminum, and cast iron. Thread size 3/8"-24 UNF with H5 tolerance for 2B/3B class fit. Features 3 flutes and a plug chamfer. Suitable for production environments in general manufacturing
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General purpose spiral-point tap for through-hole threading in metals such as steel, aluminum, and cast iron. Thread size 3/8"-24 UNF with H5 tolerance for 2B/3B class fit. Features 3 flutes and a plug chamfer. Suitable for production environments in general manufacturing
General purpose spiral-point tap for threading blind or through holes in metal parts. Made of high-speed steel with a plug chamfer and 2 flutes. Thread size #3-56 UNF, tolerance H2 / 2B-3B. The spiral-point design pushes chips ahead to reduce clogging during threading operations
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General purpose spiral-point tap for threading blind or through holes in metal parts. Made of high-speed steel with a plug chamfer and 2 flutes. Thread size #3-56 UNF, tolerance H2 / 2B-3B. The spiral-point design pushes chips ahead to reduce clogging during threading operations
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