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OSG General Purpose Spiral-Flute Tap #4-40 UNC - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG General Purpose Spiral-Flute Tap #4-40 UNC

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230866

Brand
OSG
Item
General Purpose Spiral-Flute Tap #4-40 UNC
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
1406501

Technical Documents

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

Product Description

OSG General Purpose Spiral-Flute Taps.

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 #4-40 UNC used for?

The OSG Spiral Flute Tap #4-40 UNC is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates 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 #4-40 UNC?

The OSG Spiral Flute Tap #4-40 UNC has a thread size of #4-40 UNC, a H2 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer. The manufacturer part number is 1406501. It is designed for general-purpose tapping in blind holes, providing precise thread formation.

Where to buy the OSG Spiral Flute Tap #4-40 UNC worldwide?

You can source the OSG Spiral Flute Tap #4-40 UNC worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. 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., #4-40 UNC) and chamfer type (bottoming for full threads near hole bottom). Ensure the tap tolerance (H2 / 2B-3B) aligns with your required thread class. 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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Cross-referenced by specification & description
OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1412901)
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General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a #10-24 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and bottoming chamfer. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes
OSG Spiral Flute Tap: #4-40 UNC, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2916501)
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OSG Spiral Flute Tap: #4-40 UNC, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2916501)
General purpose spiral-flute tap for threading blind holes. Features a 2-flute design with plug chamfer and black oxide finish on high speed steel. Suitable for ferrous and non-ferrous materials, lifting chips upward to prevent clogging. Tolerance H2 / 2B-3B
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General purpose spiral-flute tap for threading blind holes. Features a 2-flute design with plug chamfer and black oxide finish on high speed steel. Suitable for ferrous and non-ferrous materials, lifting chips upward to prevent clogging. Tolerance H2 / 2B-3B

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This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, making it suitable for bottoming applications where chip clearance is critical. It features H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer for precise thread fit control
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The modified bottoming chamfer allows threading close to the bottom of the hole, while the spiral flute design efficiently evacuates chips upward, reducing the risk of tap breakage. Thread tolerance is H2 / 2B-3B
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The modified bottoming chamfer allows threading close to the bottom of the hole, while the spiral flute design efficiently evacuates chips upward, reducing the risk of tap breakage. Thread tolerance is H2 / 2B-3B
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General purpose spiral-flute tap for threading blind holes. Features a modified bottoming chamfer and 4 flutes to push chips upward, preventing clogging. Suitable for steel, aluminum, and cast iron. Tolerance class D9 / 4H-6H
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This spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. It features a bottoming chamfer for threading to the bottom of a hole, with H3 / 2B-3B tolerance class and 3 flutes. Made from high-speed steel
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This spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. It features a bottoming chamfer for threading to the bottom of a hole, with H3 / 2B-3B tolerance class and 3 flutes. Made from high-speed steel
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