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OSG Oversized Spiral-Flute Tap: 1/2"-13 UNC - Oversized Spiral-Flute Taps
OSGOversized Spiral-Flute Taps

OSG Oversized Spiral-Flute Tap: 1/2"-13 UNC

OSG Oversized Spiral-Flute Taps.

SKU 3G-OTH-211308

Brand
OSG
Item
Oversized Spiral-Flute Tap: 1/2"-13 UNC
Category
Oversized Spiral-Flute Taps
Available to Order
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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
2942708

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 2942708 used for?

The OSG spiral flute tap 2942708 is used for threading blind holes in materials like steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom. It is common in automotive and general manufacturing applications.

What are the specifications of the OSG tap 2942708?

The OSG tap 2942708 is a 1/2"-13 UNC spiral flute tap with an H11 tolerance for a 2B class fit. It has 3 flutes and a modified bottoming chamfer. The oversized design provides extra material for thread finishing. It is made from high-speed steel for durability in production threading.

Where to buy the OSG spiral flute tap 2942708 worldwide?

You can source the OSG spiral flute tap 2942708 worldwide through 3G Electric. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine OSG taps for manufacturing needs.

How to select the correct OSG tap for UNC threads?

To select the correct OSG tap for UNC threads, match the tap size and thread pitch to your hole specification. For blind holes, use a spiral flute tap like the 2942708 to clear chips. Verify the thread class (e.g., 2B) and tolerance (e.g., H11) for fit. Consult OSG's technical data for material recommendations.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This oversized spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. It features a 1/2"-13 UNC thread size, H11 / 2B tolerance, 3 flutes, and a modified bottoming chamfer
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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 lifts chips upward, preventing clogging and ensuring clean threads. It features a 1/2"-13 UNC thread size, H11 / 2B tolerance, 3 flutes, and a modified bottoming chamfer
Oversized spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer allows threading close to hole bottom. Thread size 1/2"-20 UNF, thread limit H11 / 2B, 3 flutes
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Oversized spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer allows threading close to hole bottom. Thread size 1/2"-20 UNF, thread limit H11 / 2B, 3 flutes
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OSG Spiral Flute Tap: 1/2"-20 UNF, H11 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2943000)
This oversized spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for threading close to the bottom of a hole. The H11 tolerance provides precise thread sizing
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This oversized spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for threading close to the bottom of a hole. The H11 tolerance provides precise thread sizing
OSG oversized spiral-flute tap with 1/4"-20 UNC thread, H11 tolerance, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in steel and aluminum, the spiral flute lifts chips upward to prevent clogging. Suitable for general manufacturing applications requiring clean threads
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OSG oversized spiral-flute tap with 1/4"-20 UNC thread, H11 tolerance, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in steel and aluminum, the spiral flute lifts chips upward to prevent clogging. Suitable for general manufacturing applications requiring clean threads
This OSG 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. With a 1/4"-20 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for through-hole or near-bottom threading applications. The oversized design accommodates situations where standard taps may not achieve the required fit
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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 geometry pushes chips upward, preventing clogging and ensuring clean threads. With a 1/4"-20 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for through-hole or near-bottom threading applications. The oversized design accommodates situations where standard taps may not achieve the required fit

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Oversized spiral-flute tap for threading blind holes in materials that produce stringy chips, such as steel and aluminum. The spiral flute design lifts chips out of the hole to prevent clogging. Thread size 5/16-24 UNF, H11 tolerance, 3 flutes, modified bottoming chamfer. Suitable for applications requiring a looser thread fit
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Oversized spiral-flute tap for threading blind holes in materials that produce stringy chips, such as steel and aluminum. The spiral flute design lifts chips out of the hole to prevent clogging. Thread size 5/16-24 UNF, H11 tolerance, 3 flutes, modified bottoming chamfer. Suitable for applications requiring a looser thread fit
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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 geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-32 UNF thread size, H11 tolerance, and modified bottoming chamfer, it is suited for precision threading applications where chip evacuation and thread accuracy are required
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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 geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-32 UNF thread size, H11 tolerance, and modified bottoming chamfer, it is suited for precision threading applications where chip evacuation and thread accuracy are required
This OSG 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. With a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom. Thread size: 7/16"-20 UNF, tolerance H11, 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 geometry pushes chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom. Thread size: 7/16"-20 UNF, tolerance H11, 3 flutes
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-24 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom
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This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-24 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute geometry evacuates chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threading close to the bottom of a hole. The D11 / 6H tolerance indicates an oversized thread suitable for use with coated or plated holes
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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 geometry evacuates chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threading close to the bottom of a hole. The D11 / 6H tolerance indicates an oversized thread suitable for use with coated or plated holes
This OSG oversized spiral-flute tap features an M8x1.25 metric thread with D11 / 6H tolerance, 3 flutes, and a modified bottoming chamfer. Designed for threading blind holes, the spiral flute geometry lifts chips upward to prevent clogging and ensure clean threads. Suitable for precision threading applications in ferrous and non-ferrous materials
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This OSG oversized spiral-flute tap features an M8x1.25 metric thread with D11 / 6H tolerance, 3 flutes, and a modified bottoming chamfer. Designed for threading blind holes, the spiral flute geometry lifts chips upward to prevent clogging and ensure clean threads. Suitable for precision threading applications in ferrous and non-ferrous materials
Oversized spiral-flute tap for threading blind holes. Features a 3/8"-24 UNF thread, H11 tolerance, 3 flutes, and a modified bottoming chamfer. The spiral flute design pushes chips upward to prevent clogging, enabling clean threads near the hole bottom. Suitable for industrial machining applications
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Oversized spiral-flute tap for threading blind holes. Features a 3/8"-24 UNF thread, H11 tolerance, 3 flutes, and a modified bottoming chamfer. The spiral flute design pushes chips upward to prevent clogging, enabling clean threads near the hole bottom. Suitable for industrial machining applications