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OSG General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap (M4x0.7 Metric, MPN 2990600) is a general-purpose spiral-flute tap with a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. This OSG tap is designed for threading metric…

SKU 3G-OTH-231021

Brand
OSG
Item
General Purpose Spiral-Flute Tap
Category
General Purpose Spiral-Flute Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
2990600
Type
D4 / 4H-6H, Modified Bottoming Chamfer
Flute
3

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

Product Description

The OSG Spiral Flute Tap (M4x0.7 Metric, MPN 2990600) is a general-purpose spiral-flute tap with a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. This OSG tap is designed for threading metric holes in a variety of materials.

Frequently Asked Questions

What is OSG spiral flute tap M4x0.7 used for?

OSG spiral flute taps are designed for threading blind holes in materials like steel and aluminum. The M4x0.7 metric size with modified bottoming chamfer allows threading close to the hole bottom, making it ideal for automotive and general manufacturing applications where chip evacuation is critical.

What are the specifications of OSG spiral flute tap 2990600?

The OSG spiral flute tap MPN 2990600 has a metric M4x0.7 thread size, D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. It is a general purpose tap suitable for threading blind holes in various materials, with OSG's precision ground geometry for consistent performance.

Where to buy OSG spiral flute tap 2990600 in worldwide?

You can source the OSG spiral flute tap 2990600 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your threading operations.

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

For blind holes, choose a spiral flute tap like the OSG M4x0.7 with modified bottoming chamfer to thread close to the hole bottom. Ensure the tap's tolerance class (e.g., 4H-6H) matches your thread fit requirement. Use proper cutting fluid and machine speed per OSG recommendations for optimal thread quality.

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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This OSG spiral-flute tap is designed for threading blind holes in steel and aluminum. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for through-hole or deep-hole applications where chip evacuation is critical. The D4 / 4H-6H tolerance class provides precise thread fit for general-purpose threading
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This OSG spiral-flute tap is designed for threading blind holes in steel and aluminum. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for through-hole or deep-hole applications where chip evacuation is critical. The D4 / 4H-6H tolerance class provides precise thread fit for general-purpose threading
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. Features a modified bottoming chamfer for threading close to the bottom of blind holes. Metric size M3.5x0.6, tolerance class D4 / 4H-6H, 3 flutes
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General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. Features a modified bottoming chamfer for threading close to the bottom of blind holes. Metric size M3.5x0.6, tolerance class D4 / 4H-6H, 3 flutes
OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990608)
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OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990608)
OSG Spiral Flute Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990808)
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OSG Spiral Flute Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990808)
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel, stainless steel, and aluminum. The spiral flute lifts chips upward to prevent clogging and ensure clean threads. It features a modified bottoming chamfer, three flutes, and a D4 / 4H-6H tolerance class for precise threading in general-purpose manufacturing and maintenance applications
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel, stainless steel, and aluminum. The spiral flute lifts chips upward to prevent clogging and ensure clean threads. It features a modified bottoming chamfer, three flutes, and a D4 / 4H-6H tolerance class for precise threading in general-purpose manufacturing and maintenance applications
OSG Spiral Flute Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990800)
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OSG Spiral Flute Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990800)

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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
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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, preventing clogging. It features a modified bottoming chamfer and H2 / 2B-3B tolerance for producing internal threads to Class 2B or 3B fit. Suitable for general machining applications requiring clean, accurate threads
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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 pushes chips upward during threading, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for applications requiring threads close to the bottom of the hole. The tap has a 1/4"-28 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes