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OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-214162

Brand
OSG
Item
Spiral Point Tap: 5/16"-18 UNC, H3 / 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
2830800

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 5/16"-18 UNC used for?

This OSG spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design pushes chips forward, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where clean, accurate UNC threads are required.

What are the specifications of the OSG Spiral Point Tap MPN 2830800?

The OSG Spiral Point Tap MPN 2830800 has a thread size of 5/16"-18 UNC, with an H3 / 2B-3B tolerance class. It features 3 flutes and a plug chamfer. This general-purpose tap is suitable for through-hole threading and is manufactured by OSG.

Where to buy OSG taps in worldwide?

You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on OSG cutting tools like the spiral point tap MPN 2830800.

How to select the correct OSG tap for through-hole threading?

For through-hole threading, choose a spiral point tap like this OSG model. Ensure the thread size (5/16"-18 UNC) matches your application. The H3 / 2B-3B tolerance indicates a precision fit. Always match the tap material to the workpiece—OSG taps are suitable for steel, aluminum, and alloys.

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: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830801)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830801)
OSG Spiral Point Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831600)
OSG
OSG Spiral Point Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831600)
General purpose spiral-point tap with 3/8"-16 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Designed for through-hole threading in ferrous and non-ferrous materials, the spiral point pushes chips forward for efficient chip evacuation. Suitable for high-speed production tapping in general manufacturing applications
OSG
General purpose spiral-point tap with 3/8"-16 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Designed for through-hole threading in ferrous and non-ferrous materials, the spiral point pushes chips forward for efficient chip evacuation. Suitable for high-speed production tapping in general manufacturing applications
OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830001)
OSG
OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830001)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design and plug chamfer push chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general manufacturing where UNF threads are required
OSG
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design and plug chamfer push chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general manufacturing where UNF threads are required
OSG Spiral Point Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831800)
OSG
OSG Spiral Point Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831800)

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