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OSG Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-215313

Brand
OSG
Item
Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Point Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
2839208

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 2839208 used for?

The OSG spiral point tap 2839208 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, reducing chip clogging and improving thread quality in production tapping applications.

What are the specifications of the OSG 2839208 tap?

The OSG 2839208 is a 7/8"-14 UNF spiral point tap with a plug chamfer, 3 flutes, and an H4 / 2B-3B tolerance class. It is designed for general-purpose threading and is manufactured by OSG.

Where to buy the OSG 2839208 tap worldwide?

3G Electric supplies the OSG 2839208 tap worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to select the correct tap for UNF threads?

Select a tap with the correct thread size and pitch, such as 7/8"-14 UNF. Choose a spiral point design for through holes or a spiral flute for blind holes. Match the tolerance class (e.g., H4 / 2B-3B) to your required thread fit. OSG taps are a reliable choice.

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"-13 UNC, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842808)
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OSG Spiral Point Tap: 1/2"-13 UNC, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842808)
OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836200)
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OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836200)
OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836201)
OSG
OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836201)
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836801)
OSG
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836801)
This spiral-point tap is designed for through-hole threading in metals. The spiral-point geometry pushes chips forward, reducing clogging and breakage. Suitable for creating UNF threads in steel, aluminum, and alloys
OSG
This spiral-point tap is designed for through-hole threading in metals. The spiral-point geometry pushes chips forward, reducing clogging and breakage. Suitable for creating UNF threads in steel, aluminum, and alloys
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836808)
OSG
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836808)

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