OSG Spiral-Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer
OSG Spiral-Flute Taps for Steel & Stainless Steel.
SKU 3G-OTH-218581
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 1/4"-28 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The 1/4"-28 UNF thread size and bottoming chamfer make it suitable for precision threading applications in automotive, aerospace, and general manufacturing.
What are the specifications of the OSG spiral flute tap 0137401?
The OSG spiral flute tap MPN 0137401 has a thread size of 1/4"-28 UNF, with a H4 / 2B-3B tolerance class. It features 3 flutes and a bottoming chamfer. This tap is designed for threading blind holes in steel and stainless steel, ensuring accurate thread formation and chip evacuation.
Where to buy OSG spiral flute taps worldwide?
3G Electric supplies OSG spiral flute taps like the 1/4"-28 UNF model (0137401) to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. As a global industrial distributor, we source and deliver precision tooling for manufacturing needs.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel blind holes, use a bottoming chamfer tap like the 1/4"-28 UNF model. Ensure the tap's tolerance class (e.g., H4 / 2B-3B) matches your required thread fit. Always use appropriate cutting fluid and follow manufacturer speed/feed recommendations.
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.
