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OSG Spiral Point Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-215903

Brand
OSG
Item
Spiral Point Tap: 1/2"-20 UNF, H7 / 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
2842708

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 2842708 used for?

This OSG spiral point tap is designed for through-hole threading in general-purpose machining. It creates internal threads in metal components across industries like automotive and aerospace, using its 3-flute design to push chips forward for clean, efficient cutting.

What are the specifications of the OSG 2842708 tap?

The OSG 2842708 is a 1/2"-20 UNF spiral point tap with a plug chamfer and 3 flutes. It has an H7 / 2B-3B tolerance class, ensuring precise thread fit. This general-purpose tap is suitable for through-hole applications in various materials.

Where to buy OSG taps like 2842708 worldwide?

3G Electric supplies OSG taps such as the 2842708 to customers worldwide. We handle full logistics and customs clearance, sourcing genuine industrial cutting tools across 14 departments. Contact us for availability and delivery to your location.

How to select the right spiral point tap for through holes?

For through holes, choose a spiral point tap like this OSG 2842708 with a plug chamfer and 3 flutes. Match the thread size (1/2"-20 UNF) and tolerance (H7 / 2B-3B) to your application. Ensure proper cutting speed and lubrication for best results.

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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Cross-referenced by specification & description
OSG Spiral Point Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842701)
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OSG Spiral Point Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842701)
OSG Spiral Point Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842700)
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OSG Spiral Point Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842700)
OSG Spiral Point Tap: 1/4"-20 UNC, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2854800)
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OSG Spiral Point Tap: 1/4"-20 UNC, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2854800)
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design directs chips forward to reduce clogging. Suitable for production environments requiring precise UNC threads
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General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design directs chips forward to reduce clogging. Suitable for production environments requiring precise UNC threads
This spiral-point tap is designed for through-hole threading in general purpose machining. Its spiral point design pushes chips ahead, reducing chip clogging. Suitable for ferrous and non-ferrous materials in manufacturing, automotive, and aerospace applications
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This spiral-point tap is designed for through-hole threading in general purpose machining. Its spiral point design pushes chips ahead, reducing chip clogging. Suitable for ferrous and non-ferrous materials in manufacturing, automotive, and aerospace applications
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The spiral point pushes chips ahead, reducing clogging and breakage during operation
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This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The spiral point pushes chips ahead, reducing clogging and breakage during operation

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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
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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
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
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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
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