OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-219102
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG spiral flute tap #8-32 UNC used for?
The OSG spiral flute tap #8-32 UNC is designed for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging in deep holes. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threads are required.
What are the specifications of the OSG spiral flute tap #8-32 UNC?
This OSG tap has a #8-32 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. The manufacturer part number is 0136408. It is designed for threading steel and stainless steel, with the spiral flute geometry aiding chip evacuation in blind-hole applications.
Where to buy the OSG spiral flute tap #8-32 UNC worldwide?
You can source the OSG spiral flute tap #8-32 UNC (MPN 0136408) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this precision threading tool.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, tolerance class (e.g., H3 / 2B-3B), and chamfer type. For blind holes in steel, use a bottoming chamfer to thread close to the hole bottom. Ensure the tap matches the material hardness and hole depth to avoid breakage and achieve accurate threads.
Used in
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.















