OSG Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer
The OSG Straight Flute Tap (1/4"-28 UNF) is a coolant-through machine tap for aluminum, featuring a bottoming chamfer, 4 flutes, and V-coated powdered metal construction. It is precision-ground to H3 / 2B-3B…
SKU 3G-OTH-207604
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 Straight Flute Tap (1/4"-28 UNF) is a coolant-through machine tap for aluminum, featuring a bottoming chamfer, 4 flutes, and V-coated powdered metal construction. It is precision-ground to H3 / 2B-3B tolerance class (MPN 1005300308), enabling consistent thread forming in production environments.
Frequently Asked Questions
What is the OSG Straight Flute Tap 1/4"-28 UNF used for?
This OSG tap is designed for threading blind holes in aluminum and non-ferrous materials. Its bottoming chamfer allows threading close to the hole bottom, while the V-coated powdered metal construction provides wear resistance. It is commonly used in automotive and aerospace manufacturing for precision internal threads.
What are the specifications of the OSG Straight Flute Tap 1/4"-28 UNF?
This tap has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is made of V-coated powdered metal and is designed for coolant-through operation. The manufacturer part number is 1005300308, and it is optimized for threading aluminum.
Where to buy the OSG Straight Flute Tap 1/4"-28 UNF worldwide?
3G Electric supplies this OSG tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver genuine OSG cutting tools to support your manufacturing operations.
How to select the correct OSG tap for aluminum threading?
For aluminum, choose a tap with a bottoming chamfer if threading blind holes. The OSG V-coated powdered metal tap offers good chip evacuation and wear life. Ensure the thread size (1/4"-28 UNF) and tolerance class (H3 / 2B-3B) match your application. Use coolant-through taps for deeper holes to improve thread quality.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG coolant-through straight-flute machine taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
