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OSG Spiral Flute Tap: #5-40 UNC, 2B-3B, 2 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #5-40 UNC, 2B-3B, 2 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (#5-40 UNC, MPN 2986501) is a general purpose spiral-flute tap with a 2B-3B thread class, bottoming chamfer, and black oxide high-speed steel construction. It features 2 flutes and is…

SKU 3G-OTH-231210

Brand
OSG
Item
Spiral Flute Tap: #5-40 UNC, 2B-3B, 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
2986501
Type
2B-3B, 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 (#5-40 UNC, MPN 2986501) is a general purpose spiral-flute tap with a 2B-3B thread class, bottoming chamfer, and black oxide high-speed steel construction. It features 2 flutes and is designed for threading applications requiring a bottoming chamfer geometry.

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 #5-40 UNC spiral flute tap used for?

This OSG spiral flute tap is designed for threading blind holes in materials such as steel and aluminum. Its bottoming chamfer allows threading close to the hole bottom, while the spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG 2986501 tap?

The OSG 2986501 is a #5-40 UNC spiral flute tap with a 2B-3B thread class, 2 flutes, and a bottoming chamfer. It is made from black oxide high speed steel for wear resistance and reduced friction. This tap is suitable for threading blind holes in ferrous and non-ferrous materials.

Where to buy OSG taps in worldwide?

You can source the OSG 2986501 spiral flute tap 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; we provide competitive pricing and reliable sourcing for OSG cutting tools.

How to select the correct OSG tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer, like the OSG #5-40 UNC model. The spiral flute design pulls chips out of the hole, preventing breakage. Ensure the tap size matches the thread specification (e.g., #5-40 UNC) and material compatibility. Consult OSG's technical guides for optimal speeds and feeds.

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: #5-40 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 2986500)
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OSG Spiral Flute Tap: #5-40 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 2986500)
OSG Spiral Flute Tap: #5-40 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2986505)
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OSG Spiral Flute Tap: #5-40 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2986505)
OSG Spiral Flute Tap: #3-48 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2984501)
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OSG Spiral Flute Tap: #3-48 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2984501)
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OSG
OSG Spiral Flute Tap: #3-56 UNF, 2B-3B, 2 Flute, Bottoming Chamfer, Black Oxide High Speed Steel (MPN 2984601)
OSG Spiral Flute Tap: #3-48 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 2984500)
OSG
OSG Spiral Flute Tap: #3-48 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 2984500)
OSG Spiral Flute Tap: #3-48 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2984505)
OSG
OSG Spiral Flute Tap: #3-48 UNC, 2B-3B, 2 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2984505)

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