OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 2930401) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and an H3 / 2B-3B tolerance class. 3G Electric interprets your demand for this…
SKU 3G-OTH-229886
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 2930401) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and an H3 / 2B-3B tolerance class. 3G Electric interprets your demand for this OEM-specified tool, sources it across our 14 industrial departments, and supports your application with specialist depth in controls and pumps.
Frequently Asked Questions
What is OSG spiral flute tap 1/4-28 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its 3-flute design and modified bottoming chamfer allow chips to flow upward, preventing clogging and enabling deeper thread engagement in general-purpose machining applications.
What are the specifications of OSG tap 2930401?
The OSG tap 2930401 is a 1/4-28 UNF spiral flute tap with a H3 / 2B-3B tolerance class, 3 flutes, and a modified bottoming chamfer. It is a general-purpose tap suitable for producing threads in blind holes, with a 2B-3B fit range for standard and precision threading.
Where to buy OSG spiral flute tap 2930401 worldwide?
3G Electric supplies and delivers the OSG spiral flute tap 2930401 worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this OSG threading tool.
How to select the right spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like this OSG 1/4-28 UNF tap, to cut threads close to the hole bottom. Ensure the tap's tolerance (e.g., H3 / 2B-3B) matches your required thread fit. Use proper cutting fluid and pecking cycles to clear chips.
Used in
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.
