OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap is a 3/8"-24 UNF thread-cutting tool for steel and stainless steel, featuring an H4 / 2B-3B tolerance class, 3-flute design, and modified bottoming chamfer (MPN 1645038244).
SKU 3G-OTH-219026
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 is a 3/8"-24 UNF thread-cutting tool for steel and stainless steel, featuring an H4 / 2B-3B tolerance class, 3-flute design, and modified bottoming chamfer (MPN 1645038244).
Frequently Asked Questions
What is the OSG spiral flute tap 3/8-24 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for CNC and manual tapping applications where chip clearance is critical.
What are the specifications of the OSG 1645038244 tap?
The OSG 1645038244 is a 3/8-24 UNF spiral flute tap with a H4 / 2B-3B tolerance class, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The H4 limit ensures precise thread fit for 2B-3B class holes.
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 facility. Contact us for availability and lead time on the OSG 1645038244 spiral flute tap.
How to select the correct OSG tap for stainless steel?
For stainless steel, choose a spiral flute tap like the OSG 1645038244 with a modified bottoming chamfer to reduce torque and improve chip evacuation. Ensure the tap has a H4 tolerance for 2B-3B thread fit. Use appropriate cutting fluid and rigid tapping speeds for best results.
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.
