We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OSG 1/4"-20 UNC Oversized Spiral-Flute Tap - Oversized Spiral-Flute Taps
OSGOversized Spiral-Flute Taps

OSG 1/4"-20 UNC Oversized Spiral-Flute Tap

OSG Oversized Spiral-Flute Taps.

SKU 3G-OTH-211245

Brand
OSG
Item
1/4"-20 UNC Oversized Spiral-Flute Tap
Category
Oversized 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
2940301

Technical Documents

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

Product Description

OSG Oversized 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 1/4"-20 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its 3-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications where precise internal threads are required.

What are the specifications of the OSG spiral flute tap MPN 2940301?

The OSG spiral flute tap MPN 2940301 has a thread size of 1/4"-20 UNC, a H11 tolerance, 3 flutes, and a modified bottoming chamfer. It is an oversized tap designed for producing threads in blind holes, with a manufacturer part number of 2940301 and SKU 2940301.

Where to buy OSG taps in worldwide?

You can source OSG taps, including the spiral flute tap MPN 2940301, through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine OSG products for your threading needs.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG model to pull chips out of the hole. Consider thread size (1/4"-20 UNC), flute count (3), and chamfer type (modified bottoming). Ensure the tap's H11 tolerance matches your material and thread class requirements for optimal performance.

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 oversized 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: 5/16"-18 UNC, H11, 3 Flute, Modified Bottoming Chamfer (MPN 2941101)
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OSG Spiral Flute Tap: 1/2"-20 UNF, H11 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2943001)
Oversized spiral-flute tap for threading blind holes. Features a modified bottoming chamfer for threading close to the hole bottom. Spiral flute design lifts chips upward, preventing clogging. Suitable for through-hole and blind-hole threading in general machining applications
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Oversized spiral-flute tap for threading blind holes. Features a modified bottoming chamfer for threading close to the hole bottom. Spiral flute design lifts chips upward, preventing clogging. Suitable for through-hole and blind-hole threading in general machining applications
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. Tolerance class H5 suitable for 2B-3B fit. Thread size 1/4"-20 UNC
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General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. Tolerance class H5 suitable for 2B-3B fit. Thread size 1/4"-20 UNC
OSG Spiral Flute Tap: 1/2"-20 UNF, H11 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2943000)
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OSG Spiral Flute Tap: 1/2"-20 UNF, H11 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2943000)
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. The modified bottoming chamfer allows threading close to the hole bottom. Thread size: #8-32 UNC, H11 tolerance, 3 flutes
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. The modified bottoming chamfer allows threading close to the hole bottom. Thread size: #8-32 UNC, H11 tolerance, 3 flutes

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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a #8-32 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer. Commonly used in automotive, aerospace, and general manufacturing applications
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a #8-32 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer. Commonly used in automotive, aerospace, and general manufacturing applications
Spiral-flute tap for threading blind holes in steel and aluminum. The flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer enables threading close to the hole bottom. Metric size M7x1, 11 mm body diameter, 3 flutes
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Spiral-flute tap for threading blind holes in steel and aluminum. The flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer enables threading close to the hole bottom. Metric size M7x1, 11 mm body diameter, 3 flutes
This OSG spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom. Commonly used in automotive, aerospace, and general manufacturing applications
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This OSG spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom. Commonly used in automotive, aerospace, and general manufacturing applications
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its 3-flute design and modified bottoming chamfer facilitate upward chip evacuation, reducing clogging in deep-hole applications. The oversized thread tolerance (H11) provides a looser fit or allowance for coatings. Suitable for general machining where chip control is critical
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its 3-flute design and modified bottoming chamfer facilitate upward chip evacuation, reducing clogging in deep-hole applications. The oversized thread tolerance (H11) provides a looser fit or allowance for coatings. Suitable for general machining where chip control is critical
This oversized spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design efficiently evacuates chips upward, preventing clogging and ensuring clean threads. Suitable for general manufacturing applications requiring precise metric threads
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This oversized spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design efficiently evacuates chips upward, preventing clogging and ensuring clean threads. Suitable for general manufacturing applications requiring precise metric threads
Oversized spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer allows threading close to the hole bottom. Made from high-speed steel
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Oversized spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer allows threading close to the hole bottom. Made from high-speed steel
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