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OSG 3/8"-16 UNC General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 3/8"-16 UNC General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap (3/8"-16 UNC, MPN 2986001) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and black oxide high-speed steel construction. It features 3 flutes for efficient…

SKU 3G-OTH-230169

Brand
OSG
Item
3/8"-16 UNC General Purpose Spiral-Flute Tap
Category
General Purpose Spiral-Flute Taps
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
2986001
Type
2B, Bottoming Chamfer, Black Oxide 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"-16 UNC, MPN 2986001) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and black oxide high-speed steel construction. It features 3 flutes for efficient chip evacuation in through-hole and blind-hole threading applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG spiral flute tap 2986001 used for?

The OSG spiral flute tap 2986001 is a general-purpose tap designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 2986001?

The OSG spiral flute tap 2986001 has a 3/8"-16 UNC thread size, 2B class of fit, 3 flutes, and a bottoming chamfer. It is made from black oxide high-speed steel (HSS) for wear resistance and reduced friction. The manufacturer part number is 2986001.

Where to buy the OSG spiral flute tap 2986001 worldwide?

You can source the OSG spiral flute tap 2986001 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

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

For blind holes, choose a spiral flute tap like the OSG 2986001 because its flutes push chips out of the hole, preventing chip packing. Ensure the tap matches the thread size (3/8"-16 UNC), class of fit (2B), and chamfer type (bottoming for threads close to the hole bottom). Always use proper cutting fluid.

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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Cross-referenced by specification & description
This spiral-flute tap is designed for threading blind holes in ferrous materials. The spiral flute geometry lifts chips upward, reducing clogging and producing clean threads. It features a bottoming chamfer for threading to the bottom of the hole. Made from black oxide high-speed steel for wear resistance and improved lubricity
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This spiral-flute tap is designed for threading blind holes in ferrous materials. The spiral flute geometry lifts chips upward, reducing clogging and producing clean threads. It features a bottoming chamfer for threading to the bottom of the hole. Made from black oxide high-speed steel for wear resistance and improved lubricity
OSG Spiral Flute Tap: 3/8"-24 UNF, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986101)
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OSG Spiral Flute Tap: 3/8"-24 UNF, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986101)
OSG Spiral Flute Tap: 1/4"-20 UNC, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2985601)
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OSG Spiral Flute Tap: 1/2"-20 UNF, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986301)
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OSG Spiral Flute Tap: 1/2"-20 UNF, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986301)
OSG Spiral Flute Tap: 1/2"-13 UNC, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986201)
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OSG Spiral Flute Tap: 1/2"-13 UNC, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986201)
OSG Spiral Flute Tap: 3/8"-16 UNC, 2B, 3 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2986005)
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OSG Spiral Flute Tap: 3/8"-16 UNC, 2B, 3 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2986005)

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