OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute
OSG Spiral-Flute Taps for Steel & Stainless Steel.
SKU 3G-OTH-217764
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.
Need installation or engineering help?
Ask a question
Product Description
OSG Spiral-Flute Taps for Steel & Stainless Steel.
Frequently Asked Questions
What is OSG spiral flute tap #4-40 UNC 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 and enabling clean threads in deep or blind-hole applications common in automotive, aerospace, and general manufacturing.
What are the specifications of OSG spiral flute tap #4-40 UNC?
This OSG tap has a #4-40 UNC thread size, H3 / 2B-3B tolerance class, 3 flutes, and a modified bottoming chamfer. It is designed for steel and stainless steel. The manufacturer part number is 1722008.
Where to buy OSG spiral flute tap #4-40 UNC worldwide?
3G Electric supplies and delivers OSG spiral flute taps worldwide. We handle full logistics and customs clearance to ensure your order reaches any global destination. Contact us for availability and lead time on this #4-40 UNC tap.
How to select the right spiral flute tap for steel?
For steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG #4-40 UNC. The spiral flute design clears chips from blind holes. Match thread size, tolerance (H3 / 2B-3B), and material compatibility to your workpiece for optimal thread quality.
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.
