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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-216253

Brand
OSG
Item
Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Point Taps
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
2827608

Technical Documents

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

Product Description

OSG General Purpose Spiral-Point Taps.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 applications. Its 3-flute, plug chamfer design pushes chips forward, making it ideal for high-speed production tapping in steel, stainless steel, and non-ferrous materials across machining and manufacturing industries.

What are the specifications of the OSG 2827608 tap?

The OSG 2827608 is a 1/2"-20 UNF spiral point tap with a H2 / 2B-3B tolerance class. It has 3 flutes and a plug chamfer, suitable for through-hole threading. The H2 limit ensures precise thread fit for 2B-3B classes, commonly used in precision machining and industrial maintenance.

Where to buy OSG taps like 2827608 worldwide?

3G Electric supplies OSG taps including the 2827608 model to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement with technical expertise across 14 departments.

How to select the correct tap for UNF threads?

For UNF threads like 1/2"-20, match the tap size and pitch exactly to the hole specification. Choose spiral point taps for through-holes and spiral flute for blind holes. The H2 / 2B-3B tolerance ensures proper fit for standard production. Always verify material hardness and use appropriate cutting fluid 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2827601)
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OSG Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2827601)
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
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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: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826400)
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OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2826400)
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 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 in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and improve thread quality. Suitable for automotive, aerospace, and general manufacturing applications
OSG
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and improve thread quality. Suitable for automotive, aerospace, and general manufacturing applications

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This OSG spiral-point tap is designed for general-purpose threading of blind or through holes in ferrous and non-ferrous materials. It features a plug chamfer and 2-flute geometry that pushes chips forward, facilitating efficient chip evacuation. Constructed from high-speed steel with a D4 / 4H-6H tolerance, it is suitable for production tapping applications
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