OSG Spiral Flute Tap: 3/8"-32 UNEF, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (3/8"-32 UNEF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1650505908).
SKU 3G-OTH-219023
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 (3/8"-32 UNEF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1650505908).
Frequently Asked Questions
What is the OSG spiral flute tap 3/8-32 UNEF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the bottom of the hole, making it ideal for precision applications requiring UNEF threads.
What are the specifications of the OSG spiral flute tap 3/8-32 UNEF?
This OSG tap has a 3/8-32 UNEF thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 1650505908. It is designed for threading steel and stainless steel, with the H3 limit ensuring precise fit for class 2B or 3B internal threads.
Where to buy OSG spiral flute taps worldwide?
You can source OSG spiral flute taps worldwide through 3G Electric. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap model 1650505908.
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, use taps with H3 tolerance and modified bottoming chamfer for blind holes. Ensure the tap matches the required thread class (2B or 3B). OSG taps are engineered for chip evacuation and thread accuracy in tough materials.
Used in
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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.
