OSG Spiral Flute Tap: #4-40 UNC, H5 / 2B, 2 Flute, Bottoming Chamfer (MPN 1748301)
OSG Spiral-Flute Taps for Steel & Stainless Steel.
SKU 3G-OTH-218878
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
OSG Spiral-Flute Taps for Steel & Stainless Steel.
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 steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threading is required.
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, H5 tolerance for the tap, and 2B class of fit for the threaded hole. It features 2 flutes and a bottoming chamfer, making it suitable for threading to the bottom of blind holes. The manufacturer part number is 1748301.
Where to buy the OSG spiral flute tap #4-40 UNC worldwide?
You can source the OSG spiral flute tap #4-40 UNC worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap.
How to select the correct OSG spiral flute tap for steel?
To select the correct OSG spiral flute tap for steel, match the thread size (e.g., #4-40 UNC), chamfer type (bottoming for blind holes), and flute count (2 flutes for chip evacuation). Ensure the tap tolerance (H5) aligns with the required thread class (2B). OSG taps are engineered for consistent performance in steel and stainless steel.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
