OSG 7/16"-28 UNEF Spiral-Flute Tap for Steel & Stainless Steel
The OSG Spiral Flute Tap (7/16"-28 UNEF) is a H4 / 2B-3B, bottoming-chamfer, V Coated Powdered Metal tap with 3 flutes (MPN 1650512508). Designed for threading steel and stainless steel, it delivers precise internal…
SKU 3G-OTH-217856
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
The OSG Spiral Flute Tap (7/16"-28 UNEF) is a H4 / 2B-3B, bottoming-chamfer, V Coated Powdered Metal tap with 3 flutes (MPN 1650512508). Designed for threading steel and stainless steel, it delivers precise internal threads in blind-hole applications.
Frequently Asked Questions
What is the OSG spiral flute tap 1650512508 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 bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG 7/16"-28 UNEF spiral flute tap?
The OSG tap has a thread size of 7/16"-28 UNEF, with a H4 / 2B-3B tolerance class. It features 3 flutes, a bottoming chamfer, and a V coating on powdered metal. The manufacturer part number is 1650512508. It is suitable for threading blind holes in steel and stainless steel.
Where to buy OSG taps in worldwide?
You can source OSG 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 time. We provide genuine OSG cutting tools for manufacturing and maintenance applications.
How to select the correct OSG spiral flute tap for steel?
Select based on thread size, pitch, and hole type. For blind holes in steel, use a spiral flute tap with bottoming chamfer. The OSG 1650512508 is designed for 7/16"-28 UNEF threads. Ensure the tap tolerance (H4) matches the required thread class (2B-3B). Use appropriate cutting fluid for steel to extend tool life.
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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.
