OSG Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute
The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M8x1.25 Metric size, featuring a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2991400).
SKU 3G-OTH-229994
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.
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M8x1.25 Metric size, featuring a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2991400).
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, stainless steel, and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This M8x1.25 metric tap with a modified bottoming chamfer is ideal for through-hole or deep-hole applications.
What are the specifications of the OSG spiral flute tap M8x1.25?
This OSG tap has a metric M8x1.25 thread size, a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. It is designed for general-purpose threading in blind holes, with a spiral flute geometry that evacuates chips upward. The manufacturer part number is 2991400.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine OSG cutting tools like the M8x1.25 spiral flute tap (MPN 2991400) and deliver them to your facility. Contact us for a quote and delivery timeline.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG M8x1.25 model, which pushes chips out of the hole. Ensure the tap's chamfer type (modified bottoming) matches your thread depth requirements. Verify the thread tolerance (D5 / 4H-6H) aligns with your material and application. Always use proper cutting fluid and speed.
Used in
Common applications for OSGOSG 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.
