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OSG 1"-12 UNF General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 1"-12 UNF General Purpose Spiral-Flute Tap

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230734

Brand
OSG
Item
1"-12 UNF General Purpose Spiral-Flute Tap
Category
General Purpose Spiral-Flute Taps
Available to Order
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Worldwide Shipping
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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
2939600

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 used for?

The OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 2939600?

The OSG spiral flute tap model 2939600 has a thread size of 1"-12 UNF, with a tolerance class of H4 / 2B-3B. It features 4 flutes and a modified bottoming chamfer, making it suitable for threading close to the bottom of blind holes. The tap is designed for general purpose use.

Where to buy OSG spiral flute taps worldwide?

You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other OSG threading tools.

How to select the correct OSG spiral flute tap for a job?

To select the correct OSG spiral flute tap, match the thread size and pitch (e.g., 1"-12 UNF) to your application. Consider the material being threaded—spiral flute taps are ideal for blind holes in ductile materials. The H4 tolerance class indicates the tap's thread fit range for 2B-3B class threads.

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: 1"-12 UNF, H4 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 2939608)
OSG
OSG Spiral Flute Tap: 1"-12 UNF, H4 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 2939608)
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a modified bottoming chamfer and 4 flutes to evacuate chips upward, suitable for through-hole and deep-hole tapping. Tolerance class H4 / 2B-3B
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a modified bottoming chamfer and 4 flutes to evacuate chips upward, suitable for through-hole and deep-hole tapping. Tolerance class H4 / 2B-3B
General purpose spiral-flute tap with 5/16"-24 UNF thread. H3 / 2B-3B tolerance class. Modified bottoming chamfer and 3 flutes for chip evacuation in blind hole threading. Suitable for ferrous and non-ferrous materials
OSG
General purpose spiral-flute tap with 5/16"-24 UNF thread. H3 / 2B-3B tolerance class. Modified bottoming chamfer and 3 flutes for chip evacuation in blind hole threading. Suitable for ferrous and non-ferrous materials
General purpose spiral-flute tap with modified bottoming chamfer for threading blind holes. Features 3 flutes and H3 / 2B-3B tolerance class. Suitable for steel and aluminum in automotive, aerospace, and general manufacturing applications
OSG
General purpose spiral-flute tap with modified bottoming chamfer for threading blind holes. Features 3 flutes and H3 / 2B-3B tolerance class. Suitable for steel and aluminum in automotive, aerospace, and general manufacturing applications
This spiral-flute tap is designed for threading blind holes, with a modified bottoming chamfer that allows threading close to the hole bottom. The 3-flute geometry lifts chips upward, preventing clogging and ensuring clean threads. Suitable for general-purpose threading in steel and stainless steel applications
OSG
This spiral-flute tap is designed for threading blind holes, with a modified bottoming chamfer that allows threading close to the hole bottom. The 3-flute geometry lifts chips upward, preventing clogging and ensuring clean threads. Suitable for general-purpose threading in steel and stainless steel applications
General purpose spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward, suitable for materials where chip clearance is critical. Modified bottoming chamfer allows threading close to the hole bottom. Thread size 9/16"-18 UNF, tolerance H3 / 2B-3B, 4 flutes
OSG
General purpose spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward, suitable for materials where chip clearance is critical. Modified bottoming chamfer allows threading close to the hole bottom. Thread size 9/16"-18 UNF, tolerance H3 / 2B-3B, 4 flutes

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OSG Spiral Flute Tap: M20x1.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11762)
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OSG Spiral Flute Tap: M20x1.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11762)
OSG Spiral Flute Tap: #6-40 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907208)
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OSG Spiral Flute Tap: #6-40 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907208)
This OSG spiral-flute tap is designed for threading blind holes in a variety of materials. The bottoming chamfer allows threading close to the hole bottom, while the spiral flute design evacuates chips upward. Made from high-speed steel with 3 flutes and H3 / 2B-3B tolerance, it is suitable for general-purpose machining and maintenance applications
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This OSG spiral-flute tap is designed for threading blind holes in a variety of materials. The bottoming chamfer allows threading close to the hole bottom, while the spiral flute design evacuates chips upward. Made from high-speed steel with 3 flutes and H3 / 2B-3B tolerance, it is suitable for general-purpose machining and maintenance applications
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry lifts chips upward, preventing clogging and ensuring clean threads. It features a plug chamfer for general-purpose through-hole and blind-hole threading. Made from high-speed steel with H5 / 2B-3B tolerance
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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 lifts chips upward, preventing clogging and ensuring clean threads. It features a plug chamfer for general-purpose through-hole and blind-hole threading. Made from high-speed steel with H5 / 2B-3B tolerance
OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1430105)
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OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1430105)
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. It features a modified bottoming chamfer and 4 flutes to efficiently evacuate chips upward. The H3 / 2B-3B tolerance class provides medium to close fit threads. Suitable for general machining applications requiring precise thread depth
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This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. It features a modified bottoming chamfer and 4 flutes to efficiently evacuate chips upward. The H3 / 2B-3B tolerance class provides medium to close fit threads. Suitable for general machining applications requiring precise thread depth
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. It features a bottoming chamfer for threading close to the hole bottom, a TiN coating to reduce friction, and a 2-flute design. The tap has a #3-48 UNC thread size with a 2B-3B class of fit and is made from high-speed steel
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. It features a bottoming chamfer for threading close to the hole bottom, a TiN coating to reduce friction, and a 2-flute design. The tap has a #3-48 UNC thread size with a 2B-3B class of fit and is made from high-speed steel
OSG Spiral Flute Tap: #8-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2918001)
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OSG Spiral Flute Tap: #8-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2918001)