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OSG Spiral Flute Tap: 3/8"-24 UNF, 2B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 3/8"-24 UNF, 2B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (3/8"-24 UNF, MPN 2986105) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and TiN-coated high-speed steel construction. It features 3 flutes for efficient…

SKU 3G-OTH-230761

Brand
OSG
Item
Spiral Flute Tap: 3/8"-24 UNF, 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
2986105
Type
2B, Bottoming Chamfer, TiN Coated 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 (3/8"-24 UNF, MPN 2986105) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and TiN-coated high-speed steel construction. It features 3 flutes for efficient chip evacuation in through-hole threading applications.

Frequently Asked Questions

What is the OSG spiral flute tap 2986105 used for?

The OSG spiral flute tap 2986105 is designed for threading blind holes in steel, stainless steel, and non-ferrous materials. Its TiN coating reduces friction and extends tool life, making it suitable for general-purpose machining in automotive, aerospace, and industrial maintenance applications.

What are the specifications of the OSG 3/8-24 UNF spiral flute tap?

This OSG tap has a 3/8-24 UNF thread size, 2B class of fit, 3 flutes, and a bottoming chamfer. It is made from TiN-coated high-speed steel (HSS) for wear resistance. The manufacturer part number is 2986105, and it is designed for blind-hole threading.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2986105 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG tooling and support your procurement with technical expertise across 14 departments.

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

For blind holes, choose a bottoming chamfer tap like this OSG 2986105 to thread close to the hole bottom. Ensure the tap's thread size (3/8-24 UNF) and class of fit (2B) match your application. Use cutting fluid and proper speed to avoid breakage, especially in harder materials.

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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