left hand thread Heavy Profile Hex Nuts

Turning these nuts to the left causes them to tighten. To keep pieces that move counterclockwise from loosening, use them with left-hand rods and screws. They can support heavier loads by spreading them over a greater area and are about 10% taller and wider than standard-profile hex nuts.

left hand thread Grade 5 heavy profile hex nut

Turning these nuts to the left causes them to tighten. To keep pieces that move counterclockwise from loosening, use them with left-hand rods and screws. They can support heavier loads by spreading them over a greater area and are about 10% taller and wider than standard-profile hex nuts.