OSG Spiral Flute Tap: 1/4"-28 UNF, H2 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 2930308) is a general-purpose spiral-flute tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric sources this genuine OSG tap as part of…
SKU 3G-OTH-230993
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 2930308) is a general-purpose spiral-flute tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric sources this genuine OSG tap as part of our broader industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls.
Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This 1/4"-28 UNF tap with modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.
What are the specifications of the OSG 2930308 tap?
The OSG 2930308 is a 1/4"-28 UNF spiral flute tap with a H2 / 2B-3B tolerance class, 3 flutes, and a modified bottoming chamfer. It is designed for general-purpose threading in blind holes, providing precise thread fit and chip evacuation.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2930308 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement with technical expertise across 14 departments.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG 1/4"-28 UNF model to evacuate chips upward. Ensure the chamfer type (modified bottoming) matches your thread depth requirements. Verify material compatibility and tolerance class (H2 / 2B-3B) for proper fit. 3G Electric can help you select the correct tap for your application.
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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.
