OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (1/2"-20 UNF) is a bottoming-chamfer tap with 3 flutes, designed for threading steel and stainless steel. It features a V Coated Powdered Metal construction with an H3 / 2B-3B tolerance class…
SKU 3G-OTH-218989
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Spiral Flute Tap (1/2"-20 UNF) is a bottoming-chamfer tap with 3 flutes, designed for threading steel and stainless steel. It features a V Coated Powdered Metal construction with an H3 / 2B-3B tolerance class (MPN 1650512808).
Frequently Asked Questions
What is OSG spiral flute tap 1/2-20 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its bottoming chamfer allows threading close to the hole bottom, while the V coating on powdered metal provides wear resistance for production tapping.
What are the specifications of OSG spiral flute tap 1650512808?
The OSG tap has a 1/2-20 UNF thread, H3 / 2B-3B tolerance, 3 flutes, bottoming chamfer, and V coated powdered metal construction. It is designed for threading blind holes in steel and stainless steel.
Where to buy OSG spiral flute tap 1/2-20 UNF worldwide?
3G Electric supplies OSG taps worldwide. We handle full logistics and customs clearance to deliver this spiral flute tap to your facility. Contact us for pricing and lead time on this OSG 1650512808 tap.
How to select the right spiral flute tap for steel?
For blind holes in steel, choose a spiral flute tap with a bottoming chamfer like this OSG model. Ensure thread size (1/2-20 UNF) and tolerance class (H3 / 2B-3B) match your application. V coating improves tool life in 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.
