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OSG Spiral Point Tap: 5/16"-18 UNC, 3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-18 UNC, 3B, 2 Flute, Plug Chamfer

SKU 3G-OTH-214593

Brand
OSG
Item
Spiral Point Tap: 5/16"-18 UNC, 3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
2880800
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Spiral Point Tap 5/16"-18 UNC used for?

The OSG Spiral Point Tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips ahead, reducing chip clogging and enabling faster tapping cycles in production environments.

What are the specifications of the OSG Spiral Point Tap 5/16"-18 UNC?

This tap has a 5/16"-18 UNC thread size, 3B class fit, 2 flutes, plug chamfer, and is made from high-speed steel. The manufacturer part number is 2880800. It is a general-purpose spiral-point tap for through-hole applications.

Where to buy the OSG Spiral Point Tap 5/16"-18 UNC worldwide?

3G Electric supplies the OSG Spiral Point Tap 5/16"-18 UNC worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG Spiral Point Tap for a job?

Select based on thread size, pitch, class of fit, and material. For through holes, a spiral-point tap is ideal. Ensure the tap matches the hole diameter and thread depth. OSG taps are precision-ground for consistent performance in production threading.

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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