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OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-231139

Brand
OSG
Item
Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 3 Flute
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
2916808

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 #4-48 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging, making it ideal for general-purpose machining in automotive, aerospace, and industrial manufacturing applications.

What are the specifications of the OSG spiral flute tap MPN 2916808?

The OSG spiral flute tap MPN 2916808 has a #4-48 UNF thread size, H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose tap suitable for threading blind holes, with a spiral flute design for efficient chip evacuation.

Where to buy OSG spiral flute taps in worldwide?

3G Electric supplies OSG spiral flute taps like the #4-48 UNF MPN 2916808 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial tooling. Contact us for pricing and lead time on this item.

How to select the right spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like this OSG #4-48 UNF tap, to thread close to the hole bottom. Ensure the tap's tolerance (H2 / 2B-3B) matches your required thread class. Use proper cutting fluid and speed for the material being threaded.

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
General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for use in steel and stainless steel. Thread size #4-48 UNF, H2 / 2B-3B tolerance, 3 flutes, modified bottoming chamfer
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General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for use in steel and stainless steel. Thread size #4-48 UNF, H2 / 2B-3B tolerance, 3 flutes, modified bottoming chamfer
General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for materials such as steel and aluminum in manufacturing and maintenance applications
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General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for materials such as steel and aluminum in manufacturing and maintenance applications
This OSG spiral-flute tap is designed for general-purpose threading of blind holes. The spiral flute design evacuates chips upward, preventing clogging. It features a modified bottoming chamfer for threading close to the bottom of the hole. Suitable for use in steel and stainless steel in manufacturing and maintenance applications
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This OSG spiral-flute tap is designed for general-purpose threading of blind holes. The spiral flute design evacuates chips upward, preventing clogging. It features a modified bottoming chamfer for threading close to the bottom of the hole. Suitable for use in steel and stainless steel in manufacturing and maintenance applications
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The 3-flute design and modified bottoming chamfer facilitate upward chip evacuation, making it suitable for general-purpose tapping in machining and 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 3-flute design and modified bottoming chamfer facilitate upward chip evacuation, making it suitable for general-purpose tapping in machining and manufacturing applications
General purpose spiral-flute tap with thread size 5/16-24 UNF. Features a modified bottoming chamfer for threading close to the bottom of blind holes, and 3 flutes for effective chip evacuation upward. Tolerance class H2 / 2B-3B. Suitable for producing internal threads in blind holes in various materials
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General purpose spiral-flute tap with thread size 5/16-24 UNF. Features a modified bottoming chamfer for threading close to the bottom of blind holes, and 3 flutes for effective chip evacuation upward. Tolerance class H2 / 2B-3B. Suitable for producing internal threads in blind holes in various materials
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. With a modified bottoming chamfer, it is suitable for threading close to the bottom of blind holes. Tolerance class H4 / 2B-3B provides thread accuracy for general-purpose applications
OSG
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. With a modified bottoming chamfer, it is suitable for threading close to the bottom of blind holes. Tolerance class H4 / 2B-3B provides thread accuracy for general-purpose applications

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General purpose spiral-flute tap for threading blind holes in steel, stainless steel, and aluminum. The spiral flute design pushes chips upward to prevent clogging. Features a modified bottoming chamfer for through-hole or deep-hole applications. Metric size M4x0.7 with D4 / 4H-6H tolerance class and 3 flutes
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General purpose spiral-flute tap for threading blind holes in steel, stainless steel, and aluminum. The spiral flute design pushes chips upward to prevent clogging. Features a modified bottoming chamfer for through-hole or deep-hole applications. Metric size M4x0.7 with D4 / 4H-6H tolerance class and 3 flutes
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This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a 1 3/8"-6 UNC thread size, 2B class of fit, 4 flutes, and a modified bottoming chamfer
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its 4-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it suitable for applications where chip clearance is critical
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This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its 4-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it suitable for applications where chip clearance is critical
Spiral-flute tap designed for threading blind holes. The spiral flute lifts chips upward, preventing clogging. Suitable for general machining applications in materials such as steel and aluminum
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Spiral-flute tap designed for threading blind holes. The spiral flute lifts chips upward, preventing clogging. Suitable for general machining applications in materials such as steel and aluminum
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