OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 2 Flute
SKU 3G-OTH-218022
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Frequently Asked Questions
What is the OSG spiral flute tap #8-32 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The #8-32 UNC size and modified bottoming chamfer allow threading close to the hole bottom, making it ideal for automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 1645008322?
The OSG spiral flute tap (MPN 1645008322) is a #8-32 UNC tap with a H2 / 2B-3B tolerance class. It has 2 flutes and a modified bottoming chamfer. This tap is specifically designed for threading steel and stainless steel, providing precise thread formation and chip evacuation in blind-hole applications.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the OSG spiral flute tap #8-32 UNC (MPN 1645008322) or other OSG tooling for your manufacturing needs.
How to select the right OSG tap for stainless steel?
For stainless steel, choose a spiral flute tap like this OSG #8-32 UNC model, which uses a 2-flute design and modified bottoming chamfer to manage chip evacuation in blind holes. Ensure the tap's tolerance class (H2 / 2B-3B) matches your required thread fit. Always use appropriate cutting fluid and follow OSG's recommended speeds and feeds for optimal 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.















