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Proper Bolt Torque:
Why It Matters & How to Do It Right
Proper bolt torque is critical to the performance and longevity of any connection. This guide walks through the real factors that affect torque accuracy, from grade and diameter to surface condition and lubrication, and outlines the methods professionals use to ensure reliable tension in the field. Inside, you’ll discover one solution that can make the difference between “tight enough” and truly secure.
What You’ll Get from this Guide:
- Why proper torque is essential for joint integrity and safety
- How grade, size, finish, and lubrication influence required torque
- How to interpret and apply torque charts correctly on-site
- Step-by-step tightening and inspection best practices
- One overlooked field-ready check for added confidence
For over a century, Portland Bolt has supplied custom bolts and fasteners to projects worldwide. This guide combines our technical expertise and practical field knowledge, giving fabricators and contractors a reliable reference for getting torque right every time.