OSG Spiral Flute Tap: 9/16"-12 UNC, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (9/16"-12 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes (MPN 1645096125). 3G Electric interprets…
SKU 3G-OTH-217883
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Product Description
The OSG Spiral Flute Tap (9/16"-12 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes (MPN 1645096125). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the OSG spiral flute tap 1645096125 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 where precise internal threads are required.
What are the specifications of the OSG spiral flute tap 1645096125?
This OSG tap has a thread size of 9/16"-12 UNC, with an H5 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1645096125. It is designed for threading steel and stainless steel in blind-hole applications.
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 and other OSG cutting tools.
How to select the correct OSG spiral flute tap for stainless steel?
For stainless steel, select an OSG spiral flute tap with a modified bottoming chamfer and H5 tolerance, like the 1645096125. Ensure the tap matches your thread size and pitch (e.g., 9/16"-12 UNC). Use appropriate cutting fluid and rigid tapping equipment to prevent work hardening and tool breakage.
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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.















