OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 1650503708) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric sources this…
SKU 3G-OTH-218564
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Product Description
The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 1650503708) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist depth in cutting tools and machining.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This 9/16"-12 UNC tap with a modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.
What are the specifications of the OSG 9/16"-12 UNC spiral flute tap?
This OSG tap has a 9/16"-12 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The manufacturer part number is 1650503708.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. We handle full logistics and customs clearance to deliver this 9/16"-12 UNC spiral flute tap to your facility. Contact us for a quote and lead time on this and other OSG threading tools.
How to select the right spiral flute tap for steel?
Select a spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with H3 tolerance and a modified bottoming chamfer for blind holes. This OSG 9/16"-12 UNC tap is designed for such applications, ensuring chip evacuation and thread accuracy.
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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.















