OSG #4-40 UNC General Purpose Spiral-Flute Tap
The OSG Spiral Flute Tap (#4-40 UNC, MPN 1406401) is a general-purpose spiral-flute tap with a H2 / 2B-3B tolerance, 2-flute design, plug chamfer, and black oxide high-speed steel construction.
SKU 3G-OTH-231174
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Product Description
The OSG Spiral Flute Tap (#4-40 UNC, MPN 1406401) is a general-purpose spiral-flute tap with a H2 / 2B-3B tolerance, 2-flute design, plug chamfer, and black oxide high-speed steel construction.
Frequently Asked Questions
What is the OSG spiral flute tap #4-40 UNC used for?
The OSG spiral flute tap #4-40 UNC is designed for threading blind holes in materials such as steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
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, H2 / 2B-3B tolerance, 2 flutes, plug chamfer, and black oxide high-speed steel construction. The manufacturer part number is 1406401. It is a general-purpose tap for threading blind holes in ferrous and non-ferrous materials.
Where to buy OSG spiral flute taps 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 spiral flute tap #4-40 UNC (MPN 1406401).
How to select the correct OSG spiral flute tap for blind holes?
Select an OSG spiral flute tap based on thread size, material, and hole type. For blind holes, the spiral flute design is ideal as it evacuates chips upward. Ensure the tap's tolerance (e.g., H2 / 2B-3B) matches your required thread class. Use appropriate cutting fluid for the workpiece material to extend tool life.
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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.
