The top thread will have a tension selector—often a knob on the front of the machine. The bobbin thread’s tension is usually adjusted with a screw on the bobbin case (righty-tighty, lefty-loosey).

The top thread will have a tension selector—often a knob on the front of the machine. The bobbin thread’s tension is usually adjusted with a screw on the bobbin case (righty-tighty, lefty-loosey).

We’ve all been there – that last stubborn screw, the one thing between you and some real progress on a repair or restoration. It’s stuck tight with thread-locking fluid, and using… ...

Engineers and manufacturers looking to reduce tension and extend the service life of machines and systems now find a solution in norelem’s flat head screw with tolerance compensation. Used to connect ...

The Titen Turbo line of concrete and masonry screw anchors feature a patented thread design to deliver smooth driving with less torque and superior holding power. Simpson Strong-Tie Co. Inc ...

For example, applying the Motosh equation to an M12-1.75 angehead screw with friction coefficients μ t and μ n equal to 0.15, shows that each additional 1,000 N of tension produces 0.28 N-m of ...

Clinton Victor Johnson, an expert in screw-thread gauging technology, died Monday. He was 97. A founder of The Johnson Gage Co. in 1940 with his brothers Paul W. Johnson and Stanley G. Johnson ...