OSG Spiral Flute Tap: 1/4"-28 UNF, H11, 3 Flute, Modified Bottoming Chamfer (MPN 2940700)
OSG Oversized Spiral-Flute Taps.
SKU 3G-OTH-211271
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
OSG Oversized Spiral-Flute Taps.
Frequently Asked Questions
What is the 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 cutting. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 1/4"-28 UNF?
The OSG spiral flute tap has a thread size of 1/4"-28 UNF, an H11 tolerance, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 2940700. It is an oversized tap designed for producing threads in blind holes with efficient chip evacuation.
Where to buy OSG spiral flute taps in 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 times on this and other OSG threading tools.
How to select the correct OSG spiral flute tap for a job?
Select an OSG spiral flute tap based on thread size, pitch, and hole type. For blind holes, use a spiral flute design to evacuate chips upward. Match the tap tolerance (e.g., H11) to the required thread class. Consider material hardness and tap coating for optimal performance and tool life.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG oversized spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
