OSG Spiral Flute Tap: M3x0.5 Metric, D4 / 4H-6H, 2 Flute
The OSG Spiral Flute Tap (M3x0.5 Metric, MPN 1645503054) is a D4 / 4H-6H, 2-flute, modified bottoming chamfer tap designed for threading steel and stainless steel. 3G Electric interprets demand and delivers this…
SKU 3G-OTH-218710
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (M3x0.5 Metric, MPN 1645503054) is a D4 / 4H-6H, 2-flute, modified bottoming chamfer tap designed for threading steel and stainless steel. 3G Electric interprets demand and delivers this genuine industrial cutting 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?
The OSG spiral flute tap M3x0.5 is designed for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threads are required.
What are the specifications of the OSG spiral flute tap M3x0.5?
The OSG spiral flute tap has a metric thread size of M3x0.5, a D4 / 4H-6H tolerance class, 2 flutes, and a modified bottoming chamfer. The manufacturer part number is 1645503054. It is designed for threading blind holes in steel and stainless steel materials.
Where to buy OSG spiral flute taps worldwide?
You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral flute tap M3x0.5 (MPN 1645503054).
How to select the correct OSG spiral flute tap for steel?
To select the correct OSG spiral flute tap for steel, match the thread size (e.g., M3x0.5) and tolerance class (e.g., D4 / 4H-6H) to your application. For blind holes, choose a spiral flute design with a modified bottoming chamfer. Ensure the tap is rated for steel and stainless steel as specified by OSG.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














