OSG Spiral Flute Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (5/16"-24 UNF) is a bottoming-chamfer tap with 3 flutes, designed for steel and stainless steel. It features a V Coated Powdered Metal construction with H4 / 2B-3B tolerance (MPN 0143008).
SKU 3G-OTH-217834
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
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (5/16"-24 UNF) is a bottoming-chamfer tap with 3 flutes, designed for steel and stainless steel. It features a V Coated Powdered Metal construction with H4 / 2B-3B tolerance (MPN 0143008).
Frequently Asked Questions
What is the OSG spiral flute tap 0143008 used for?
The OSG spiral flute tap 0143008 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The V coating and powdered metal construction provide wear resistance for production tapping. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 0143008?
The OSG spiral flute tap 0143008 has a thread size of 5/16"-24 UNF, with a tolerance of H4 / 2B-3B. It features 3 flutes, a bottoming chamfer, and a V coating on powdered metal. The manufacturer part number is 0143008. This tap is designed for threading blind holes in steel and stainless steel.
Where to buy the OSG spiral flute tap 0143008 worldwide?
You can source the OSG spiral flute tap 0143008 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies this OSG tap to procurement teams and maintenance professionals globally.
How to select the correct OSG spiral flute tap for a blind hole?
For blind holes, choose a spiral flute tap like the OSG 0143008 because its flutes push chips out of the hole, preventing packing. Ensure the thread size (5/16"-24 UNF) and tolerance (H4 / 2B-3B) match your application. Use a bottoming chamfer for threads close to the hole bottom. Always match the coating to the workpiece material.
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.
