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OSG Spiral Point Tap: 9/16"-18 UNF, H3 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 9/16"-18 UNF, H3 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-214434

Brand
OSG
Item
Spiral Point Tap: 9/16"-18 UNF, H3 / 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
2857808

Technical Documents

No technical documents available for this product.
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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 2857808 used for?

The OSG Spiral Point Tap 2857808 is a general-purpose tap designed for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and improving thread quality in production environments.

What are the specifications of the OSG Spiral Point Tap 2857808?

This OSG tap has a 9/16"-18 UNF thread size, H3 / 2B-3B tolerance, 3-flute design, and plug chamfer. The manufacturer part number is 2857808. It is suitable for general-purpose threading applications requiring precise fit and chip evacuation.

Where to buy the OSG Spiral Point Tap 2857808 worldwide?

You can source the OSG Spiral Point Tap 2857808 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your threading operations.

How to select the correct OSG Spiral Point Tap for UNF threads?

Select based on thread size (9/16"-18 UNF), tolerance class (H3 / 2B-3B), and chamfer type (plug for blind holes). OSG taps are engineered for consistent performance. Verify material hardness and hole depth to match tap geometry for optimal thread quality.

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: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2857608)
OSG
OSG Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2857608)
This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. Its 3-flute, plug chamfer design pushes chips forward, making it suitable for high-speed production tapping. Thread size: 5/8"-18 UNF, tolerance class H3 / 2B-3B
OSG
This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. Its 3-flute, plug chamfer design pushes chips forward, making it suitable for high-speed production tapping. Thread size: 5/8"-18 UNF, tolerance class H3 / 2B-3B
This spiral-point tap is designed for through-hole threading in metals, with a geometry that pushes chips forward to reduce clogging. It features a 5/8"-18 UNF thread size, H7 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for general manufacturing applications requiring UNF threads in steel, aluminum, and alloys
OSG
This spiral-point tap is designed for through-hole threading in metals, with a geometry that pushes chips forward to reduce clogging. It features a 5/8"-18 UNF thread size, H7 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for general manufacturing applications requiring UNF threads in steel, aluminum, and alloys
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size 5/8"-18 UNF with tolerance H7 / 2B-3B. Features 3 flutes and a plug chamfer. The spiral-point design pushes chips forward to reduce clogging and breakage
OSG
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size 5/8"-18 UNF with tolerance H7 / 2B-3B. Features 3 flutes and a plug chamfer. The spiral-point design pushes chips forward to reduce clogging and breakage
OSG Spiral Point Tap: 5/8"-18 UNF, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2858000)
OSG
OSG Spiral Point Tap: 5/8"-18 UNF, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2858000)
OSG Spiral Point Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2855608)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2855608)

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This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and enabling faster tapping cycles. It features a #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. Suitable for production environments requiring efficient chip evacuation
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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