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OSG M5x0.8 General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG M5x0.8 General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M5x0.8 Metric size, featuring a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990801).

SKU 3G-OTH-230760

Brand
OSG
Item
M5x0.8 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
2990801
Type
D4 / 4H-6H, Modified Bottoming Chamfer
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M5x0.8 Metric size, featuring a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990801).

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This M5x0.8 metric tap with a modified bottoming chamfer is ideal for through-hole or deep-hole applications where chip evacuation is critical.

What are the specifications of the OSG spiral flute tap M5x0.8?

This OSG tap has a metric M5x0.8 thread size, a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. The 4H-6H tolerance ensures precise thread fit for general-purpose threading. It is designed for blind holes and provides efficient chip evacuation in production environments.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG cutting tools like this M5x0.8 spiral flute tap. Contact us for pricing and lead time on this and other OSG threading tools.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG M5x0.8 with a modified bottoming chamfer. The spiral flute design pulls chips out of the hole, preventing breakage. Ensure the tap's tolerance (D4 / 4H-6H) matches your thread class requirement. Always 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
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)
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OSG Spiral Flute Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990800)
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
Metric spiral-flute tap with M12x1.75 thread, D6 / 4H-6H tolerance, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in ferrous and non-ferrous materials, the spiral flute lifts chips upward to prevent clogging
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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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