Channel Magnets, Flexible Magnets Magnetic Holdfasts

"King-sized" pot magnets, holdfasts have exceptionally strong grip. Each holdfast is equipped with a screw-down releasing handle which doubles as a carrying handle. With north and south poles on the same plane, these ultra-powerful magnets can be used singly or together to make welding and other assembly jigs.

Round Holdfasts
Cat # Diameter Height Hole Centers # of Holes Hole Dia. Pull
in mm in mm in mm in mm lbs kg
SM939 1-3/4 44.5 1-3/4 44.5 1-1/4 31.8 2 M8 threaded 44 20.0
SM941 2-3/4 69.9 2-1/2 63.5 2 50.8 2 M8 threaded 194 88
SM942 4 101.6 3 74.6 2-3/4 69.1 3 21/64 8.4 403 183

Square Holdfasts
Cat # Cube Side Height Hole Centers # of Holes Hole Dia. Pull
in mm in mm in mm in mm lbs kg
SM938 3-3/4 95.3 3-3/4 95.3 3-5/32 80.3 8 21/64 8.4 472 214