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OSG Spiral Flute Tap: 1/2"-13 UNC, 2B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 1/2"-13 UNC, 2B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (MPN 2986200) is a general-purpose spiral-flute tap in 1/2"-13 UNC, featuring a 2B thread class, bottoming chamfer, 3-flute design, and high-speed steel construction. 3G Electric interprets…

SKU 3G-OTH-230236

Brand
OSG
Item
Spiral Flute Tap: 1/2"-13 UNC, 2B, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute 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
2986200
Type
2B, Bottoming Chamfer, High Speed Steel
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (MPN 2986200) is a general-purpose spiral-flute tap in 1/2"-13 UNC, featuring a 2B thread class, bottoming chamfer, 3-flute design, and high-speed steel construction. 3G Electric interprets your demand for this precision threading tool, sourcing it from our extensive industrial supply network across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment.

Frequently Asked Questions

What is the OSG spiral flute tap used for?

The OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This 1/2"-13 UNC tap with bottoming chamfer is ideal for general-purpose machining where full threads near the hole bottom are required.

What are the specifications of the OSG spiral flute tap?

This OSG tap has a 1/2"-13 UNC thread size, 2B class fit, 3 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) for durability. The manufacturer part number is 2986200. It is suitable for threading blind holes in ferrous and non-ferrous materials.

Where to buy OSG spiral flute taps worldwide?

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 1/2"-13 UNC tap (MPN 2986200) to your facility. Contact us for pricing and lead time on this high-speed steel bottoming chamfer tap.

How to select the right OSG spiral flute tap for blind holes?

For blind holes, choose a bottoming chamfer tap like this OSG 1/2"-13 UNC model to thread close to the hole bottom. Ensure the tap material (HSS) matches your workpiece hardness. Use proper cutting fluid and align the tap perpendicular to the surface to avoid breakage and achieve accurate 2B class threads.

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-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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