OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-218802
Need installation or engineering help?
Ask a question
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 steel and stainless steel. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
What are the specifications of the OSG 1753301 tap?
The OSG 1753301 is a 7/16"-20 UNF spiral flute tap with an H3 / 2B-3B tolerance class. It has 3 flutes and a modified bottoming chamfer, designed for threading steel and stainless steel. The H3 limit ensures precise thread fit for high-accuracy applications.
Where to buy OSG taps like 1753301 worldwide?
3G Electric supplies OSG taps including the 1753301 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this spiral flute tap for steel and stainless steel threading.
How to select the right tap for steel and stainless steel?
For steel and stainless steel blind holes, choose a spiral flute tap like this OSG 7/16"-20 UNF model. The 3-flute design and modified bottoming chamfer improve chip evacuation. Match the thread class (H3 / 2B-3B) to your required fit. Use appropriate cutting fluid and speed for material hardness.
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.














