OSG Spiral Flute Tap: #4-40 UNC, H5 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2916601)
SKU 3G-OTH-230479
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Frequently Asked Questions
What is the OSG spiral flute tap #4-40 UNC used for?
The OSG spiral flute tap #4-40 UNC is used for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing chip clogging and enabling clean threads in deep or blind applications. Common uses include automotive, aerospace, and general machining.
What are the specifications of the OSG spiral flute tap #4-40 UNC?
The OSG spiral flute tap #4-40 UNC has a thread size of #4-40, a 2B class of fit, and an H5 tolerance. It features 3 flutes with a modified bottoming chamfer for threading close to the bottom of blind holes. The manufacturer part number is 2916601.
Where to buy OSG spiral flute taps in 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 the OSG #4-40 UNC tap (MPN 2916601).
How to select the correct OSG spiral flute tap for blind holes?
To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., #4-40 UNC), class of fit (2B), and chamfer type (modified bottoming) to your application. Ensure the tap's flute count and helix angle suit the material. OSG taps are designed for efficient chip evacuation in blind-hole threading.
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3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
