OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 1650502108) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets your…
SKU 3G-OTH-217827
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 (5/16"-18 UNC, MPN 1650502108) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets your demand for this OEM-specified tool, sourcing it across our 14 industrial departments with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is the OSG spiral flute tap 5/16"-18 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for CNC and manual tapping applications where chip clearance is critical.
What are the specifications of the OSG 5/16"-18 UNC spiral flute tap?
The tap has a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 1650502108. It is classified as a spiral-flute tap for steel and stainless steel, ensuring reliable thread formation in demanding materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the OSG spiral flute tap 5/16"-18 UNC (MPN 1650502108) and other threading tools.
How to select the correct OSG tap for steel threading?
For steel and stainless steel blind holes, choose a spiral flute tap like this OSG model with a modified bottoming chamfer. Ensure the thread size (5/16"-18 UNC) and tolerance (H3 / 2B-3B) match your application. Use appropriate cutting fluid and machine speed per OSG recommendations for optimal thread quality.
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.
