OSG Spiral Flute Tap: #4-40 UNC, 2B, 2 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (#4-40 UNC, MPN 2985005) is a general-purpose tap with a 2B thread class, 2-flute design, bottoming chamfer, and TiN-coated high-speed steel construction. 3G Electric interprets your demand…
SKU 3G-OTH-230525
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Product Description
The OSG Spiral Flute Tap (#4-40 UNC, MPN 2985005) is a general-purpose tap with a 2B thread class, 2-flute design, bottoming chamfer, and TiN-coated high-speed steel construction. 3G Electric interprets your demand for this precision threading tool, sourcing it from our global supply network and supporting your procurement with specialist expertise across 14 industrial departments.
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 materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. The TiN coating reduces friction and extends tool life. It is commonly applied in automotive, aerospace, and general manufacturing.
What are the specifications of the OSG Spiral Flute Tap #4-40 UNC?
The OSG Spiral Flute Tap has a #4-40 UNC thread size, 2B class of fit, 2 flutes, and a bottoming chamfer. It is made of TiN coated high speed steel. The manufacturer part number is 2985005. This tap is designed for general purpose threading in blind holes.
Where to buy the OSG Spiral Flute Tap #4-40 UNC worldwide?
You can source the OSG Spiral Flute Tap #4-40 UNC worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. As a distributor, we provide this tap and other OSG tooling. Contact us for availability and lead times.
How to select the correct OSG Spiral Flute Tap for blind holes?
For blind holes, choose a bottoming chamfer tap like the OSG #4-40 UNC to thread close to the hole bottom. Ensure the tap size matches your thread specification (UNC, 2B). Spiral flute taps are ideal for chip evacuation. Use cutting fluid appropriate for the workpiece material to improve thread quality and tool life.
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Common applications for OSGOSG Products
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.
