OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute
SKU 3G-OTH-215664
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Frequently Asked Questions
What is OSG spiral point tap #4-40 UNC used for?
OSG spiral point taps are designed for through-hole threading in production environments. The #4-40 UNC size is common in precision machining for aerospace, automotive, and electronics components. The spiral point design pushes chips forward, reducing clogging and improving thread quality in ferrous and non-ferrous materials.
What are the specifications of OSG tap 2806401?
The OSG 2806401 is a #4-40 UNC spiral point tap with H2 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is a general-purpose tap suitable for through-hole threading. The H2 limit ensures precise thread fit for class 2B and 3B applications.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2806401 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine OSG cutting tools with technical support for thread selection and application.
How to select the right tap for #4-40 UNC threads?
For #4-40 UNC threads, choose a tap with the correct thread class (H2 for 2B-3B fit) and chamfer type. Spiral point taps are ideal for through holes, while spiral flute taps suit blind holes. Match the tap material to your workpiece—OSG offers HSS and carbide options for different hardness levels.
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3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
