OSG Spiral Flute Tap: M20x1 Metric, D5 / 4H-6H, 4 Flute
The OSG Spiral Flute Tap is a M20x1 Metric tap with a D5 / 4H-6H tolerance, 4 flutes, and a Modified Bottoming Chamfer (MPN 1650006608). Designed for threading steel and stainless steel, this spiral-flute tap is…
SKU 3G-OTH-217994
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Product Description
The OSG Spiral Flute Tap is a M20x1 Metric tap with a D5 / 4H-6H tolerance, 4 flutes, and a Modified Bottoming Chamfer (MPN 1650006608). Designed for threading steel and stainless steel, this spiral-flute tap is engineered for efficient chip evacuation in through-hole applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG spiral flute tap M20x1 used for?
The OSG spiral flute tap M20x1 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap M20x1?
This OSG tap has a thread size of M20x1 metric, with a D5 / 4H-6H tolerance class. It features 4 flutes and a modified bottoming chamfer. The manufacturer part number is 1650006608. It is designed for threading steel and stainless steel in blind-hole applications.
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 this M20x1 tap (MPN 1650006608) and other OSG tooling.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel blind holes, choose a tap with a modified bottoming chamfer and appropriate tolerance class like D5 / 4H-6H. Ensure the tap has sufficient flute count (e.g., 4 flutes) for chip evacuation. Consult OSG's technical data for optimal performance.
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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.













