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OSG Spiral Flute Tap: #4-48 UNF, 2B, 2 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #4-48 UNF, 2B, 2 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (#4-48 UNF, MPN 2986401) is a general purpose spiral-flute tap with a 2B thread class, bottoming chamfer, 2 flutes, and black oxide high-speed steel construction. 3G Electric interprets your…

SKU 3G-OTH-230481

Brand
OSG
Item
Spiral Flute Tap: #4-48 UNF, 2B, 2 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
Available to Order
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Technical specs
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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
2986401
Type
2B, Bottoming Chamfer, Black Oxide High Speed Steel
Flute
2

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (#4-48 UNF, MPN 2986401) is a general purpose spiral-flute tap with a 2B thread class, bottoming chamfer, 2 flutes, and black oxide high-speed steel construction. 3G Electric interprets your demand for this precision threading tool, sources it from OSG, and supports your application across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.

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 #4-48 UNF used for?

The OSG spiral flute tap #4-48 UNF is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. It is ideal for general purpose tapping in manufacturing and maintenance applications.

What are the specifications of the OSG spiral flute tap #4-48 UNF?

The OSG spiral flute tap has a #4-48 UNF thread size, 2B class of fit, 2 flutes, and a bottoming chamfer. It is made of black oxide high speed steel. The manufacturer part number is 2986401. This tap is designed for threading blind holes in various materials.

Where to buy the OSG spiral flute tap #4-48 UNF worldwide?

You can source the OSG spiral flute tap #4-48 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this OSG tap.

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

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., #4-48 UNF), class of fit (2B), and chamfer type (bottoming). Ensure the tap material (black oxide high speed steel) suits your workpiece. OSG taps are designed for efficient chip evacuation in blind hole applications.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Flute Tap: #4-48 UNF, 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 2986400)
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OSG Spiral Flute Tap: #4-48 UNF, 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 2986400)
OSG Spiral Flute Tap: #4-48 UNF, 2B, 2 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2986405)
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OSG Spiral Flute Tap: #4-48 UNF, 2B, 2 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2986405)
OSG Spiral Flute Tap: #6-40 UNF, 2B, 2 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986601)
OSG
OSG Spiral Flute Tap: #6-40 UNF, 2B, 2 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986601)
OSG Spiral Flute Tap: 7/16"-14 UNC, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986901)
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OSG Spiral Flute Tap: 7/16"-14 UNC, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986901)
OSG Spiral Flute Tap: #12-24 UNC, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986801)
OSG
OSG Spiral Flute Tap: #12-24 UNC, 2B, 3 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2986801)
OSG Spiral Flute Tap: #4-40 UNC, 2B, 2 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2985001)
OSG
OSG Spiral Flute Tap: #4-40 UNC, 2B, 2 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2985001)

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