We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
OSG M3x0.5 General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG M3x0.5 General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M3x0.5 Metric, featuring a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990408). 3G Electric interprets demand and…

SKU 3G-OTH-230755

Brand
OSG
Item
M3x0.5 General Purpose Spiral-Flute Tap
Part Number
2990408
Category
General Purpose Spiral-Flute Taps
Available to Order
Also known as:2990408OSG
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
2990408
Type
D3 / 4H-6H, Modified Bottoming Chamfer
Flute
3

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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, featuring a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990408). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

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 materials like steel and aluminum. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It is commonly used in automotive, aerospace, and general manufacturing for creating precise M3 metric threads.

What are the specifications of the OSG spiral flute tap M3x0.5?

The OSG spiral flute tap has an M3x0.5 metric thread, a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 2990408. It is designed for general purpose threading in blind holes, ensuring accurate thread depth and chip evacuation.

Where to buy OSG spiral flute taps in worldwide?

You can source OSG spiral flute taps through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead times on the OSG M3x0.5 tap (MPN 2990408) and other OSG tooling.

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

Select an OSG spiral flute tap based on thread size, pitch, and hole type. For blind holes, choose a spiral flute design with a bottoming chamfer to thread close to the hole bottom. Ensure the tap tolerance (e.g., 4H-6H) matches your thread class requirement. Use proper cutting fluid for material compatibility.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from OSG

View all OSG parts →
General purpose spiral-flute tap for threading blind holes. Features a bottoming chamfer and 2 flutes to lift chips upward, preventing clogging. Made from high-speed steel with H2 / 2B-3B tolerance. Suitable for use in steel and aluminum
OSG
General purpose spiral-flute tap for threading blind holes. Features a bottoming chamfer and 2 flutes to lift chips upward, preventing clogging. Made from high-speed steel with H2 / 2B-3B tolerance. Suitable for use in steel and aluminum
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a 1/2"-20 UNF thread size, 2B class of fit, bottoming chamfer, and TiN-coated high-speed steel construction with 3 flutes. Commonly used in automotive, aerospace, and general manufacturing applications
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a 1/2"-20 UNF thread size, 2B class of fit, bottoming chamfer, and TiN-coated high-speed steel construction with 3 flutes. Commonly used in automotive, aerospace, and general manufacturing applications
OSG Spiral Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1432101)
OSG
OSG Spiral Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1432101)
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward to prevent clogging. Features #2-56 UNC thread, H2 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer. Suitable for creating internal threads in precision components
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward to prevent clogging. Features #2-56 UNC thread, H2 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer. Suitable for creating internal threads in precision components
Spiral-flute tap for threading blind holes in steel and aluminum. The flute design evacuates chips upward, preventing clogging. Features #4-40 UNC thread, H2 / 2B-3B tolerance, 2 flutes, and bottoming chamfer. Suitable for general-purpose tapping in manufacturing and maintenance
OSG
Spiral-flute tap for threading blind holes in steel and aluminum. The flute design evacuates chips upward, preventing clogging. Features #4-40 UNC thread, H2 / 2B-3B tolerance, 2 flutes, and bottoming chamfer. Suitable for general-purpose tapping in manufacturing and maintenance
General purpose spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward, preventing clogging. Modified bottoming chamfer allows threading close to hole bottom. Suitable for steel and aluminum
OSG
General purpose spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward, preventing clogging. Modified bottoming chamfer allows threading close to hole bottom. Suitable for steel and aluminum
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a bottoming chamfer for threading close to the hole bottom, 3 flutes for upward chip evacuation, and black oxide high-speed steel construction. Metric M4x0.7 thread with 6H tolerance
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a bottoming chamfer for threading close to the hole bottom, 3 flutes for upward chip evacuation, and black oxide high-speed steel construction. Metric M4x0.7 thread with 6H tolerance
General purpose spiral-flute tap for threading blind holes in steel and aluminum. Features a modified bottoming chamfer and 3 flutes to lift chips upward and prevent clogging. Thread size #10-32 UNF with H2 / 2B-3B tolerance. Suitable for general manufacturing applications
OSG
General purpose spiral-flute tap for threading blind holes in steel and aluminum. Features a modified bottoming chamfer and 3 flutes to lift chips upward and prevent clogging. Thread size #10-32 UNF with H2 / 2B-3B tolerance. Suitable for general manufacturing applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first