OSG Spiral Flute Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/2"-20 UNF, MPN 1762501) is a 3-flute, H7 / 2B-3B tolerance tap with a Modified Bottoming Chamfer, designed for threading steel and stainless steel. 3G Electric sources this genuine OSG…
SKU 3G-OTH-217878
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Product Description
The OSG Spiral Flute Tap (1/2"-20 UNF, MPN 1762501) is a 3-flute, H7 / 2B-3B tolerance tap with a Modified Bottoming Chamfer, designed for threading steel and stainless steel. 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support for your threading applications.
Frequently Asked Questions
What is the OSG spiral flute tap 1/2"-20 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
What are the specifications of the OSG spiral flute tap 1/2"-20 UNF?
The OSG spiral flute tap has a 1/2"-20 UNF thread size, H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 1762501. It is designed for threading blind holes in steel and stainless steel materials.
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 OSG tap model 1762501.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, tolerance class, and material. For steel and stainless steel blind holes, use a tap with H7 / 2B-3B tolerance and modified bottoming chamfer. Ensure the tap matches your hole depth and thread pitch, such as 1/2"-20 UNF.
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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.















