OSG Spiral Flute Tap: 9/16"-18 UNF, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (9/16"-18 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer (MPN 1645096185). 3G Electric sources…
SKU 3G-OTH-217889
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Product Description
The OSG Spiral Flute Tap (9/16"-18 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer (MPN 1645096185). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in cutting tools and precision 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 the OSG spiral flute tap 9/16"-18 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 internal threads.
What are the specifications of the OSG spiral flute tap 9/16"-18 UNF?
The OSG spiral flute tap has a 9/16"-18 UNF thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 1645096185. It is suited for threading steel and stainless steel in blind-hole applications.
Where to buy OSG spiral flute tap 9/16"-18 UNF worldwide?
3G Electric supplies the OSG spiral flute tap 9/16"-18 UNF (MPN 1645096185) to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this precision threading tool.
How to select the right spiral flute tap for steel?
For steel and stainless steel blind holes, choose a spiral flute tap with a modified bottoming chamfer, like the OSG 9/16"-18 UNF. Ensure the thread class (e.g., 2B-3B) matches your application. Use proper cutting fluid and machine speed per OSG recommendations for optimal thread quality and tool life.
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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.















