3 Inch Black Oxide Stud And Hex Nut B7 Grade Half Inch 13 Thread Pack 4

3-Inch Black Oxide Stud and Hex Nut, B7 Grade, 13 Thread Pack 4
✔️ 3 in (76.2 mm) length, 1/2 in (12.7 mm) dia, 13 TPI, pack 4

High-strength B7 alloy all-thread with black oxide finish, designed for high-temperature and high-pressure bolting. Suitable for securing flanges, valves, and fittings in pressure vessels and industrial piping. Quenched and tempered for maximum strength and corrosion resistance.

✅ 125,000 psi (860 MPa) minimum tensile strength
✅ 105,000 psi (725 MPa) minimum yield strength
✅ 16% minimum elongation in 2 inches (50 mm)
✅ 50% minimum reduction of area
✅ 3 in (76.2 mm) length, 1/2 in (12.7 mm) dia, 13 TPI, pack of 4
✅ Black oxide coated B7 chromium-molybdenum alloy for high-temp, high-pressure bolting

💡 What is a high-strength stud and hex nut used for in heavy-duty bolting?
In industrial bolting, these fasteners are used to create secure, durable joints that can withstand high temperatures and pressures.

- Handy for securing flanges, valves, and fittings in high-temperature or high-pressure systems
- Maintains preload and sealing under thermal cycling
- Offers corrosion resistance in harsh service