OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (7/16"-20 UNF) is a general-purpose tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B (MPN 1431700).
SKU 3G-OTH-230765
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.
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Product Description
The OSG Spiral Flute Tap (7/16"-20 UNF) is a general-purpose tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B (MPN 1431700).
Frequently Asked Questions
What is the OSG spiral flute tap 7/16-20 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its bottoming chamfer allows threading close to the hole bottom, while the spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general machining applications.
What are the specifications of the OSG tap 1431700?
The OSG tap 1431700 is a 7/16-20 UNF spiral flute tap with a H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made from high speed steel. This combination ensures precise thread fit and durability for production threading in blind holes.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 1431700 to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this high speed steel spiral flute tap.
How to select the correct OSG tap for a blind hole?
For blind holes, choose a spiral flute tap with a bottoming chamfer, like this OSG 7/16-20 UNF model. The spiral flute design pushes chips out of the hole, preventing breakage. Ensure the tap tolerance (H3 / 2B-3B) matches your required thread class. Use proper cutting fluid and speed for the workpiece material.
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.
