How to Remove a Stubborn Nut/Bolt : 15 Steps (with Pictures) - Instructables
Torque Wrenches Online: Worried About Under- or Over-Tightening?
Amazon.com: Yuyuvan Tee Nut M6x17.5x1.4mm Carbon Steel Screw in Round Base Strong Bolt Long to Hold Tight Mount Hardware Insert Neat Thread Seat in Wood Secure Easy Install Not Rust for Furniture