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OSG Spiral Flute Tap: M3x0.5 Metric, D3 / 4H-6H, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: M3x0.5 Metric, D3 / 4H-6H, 3 Flute

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M3x0.5 Metric size, featuring a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990401). 3G Electric interprets demand…

SKU 3G-OTH-231009

Brand
OSG
Item
Spiral Flute Tap: M3x0.5 Metric, D3 / 4H-6H, 3 Flute
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
2990401
Type
D3 / 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 M3x0.5 Metric size, featuring a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990401). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps and controls as a trust anchor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the OSG spiral flute tap M3x0.5 used for?

This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads in deep or through-hole applications across machining, automotive, and general manufacturing.

What are the specifications of the OSG tap MPN 2990401?

The OSG tap MPN 2990401 is a M3x0.5 metric spiral flute tap with a D3 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for general-purpose threading and is suitable for blind hole applications requiring precise thread depth control.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the MPN 2990401 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this M3x0.5 spiral flute tap.

How to select the correct OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG M3x0.5 with a modified bottoming chamfer. The spiral flute design evacuates chips upward, preventing packing at the hole bottom. Ensure the tap tolerance (D3 / 4H-6H) matches your thread class requirement.

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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