Suitable for the following industries

Reference Sizes Table

Size d1 d7 d8 dp l4
444 1.75 2.5 0.138 2.125 0.941
539 2.125 2.875 0.138 2.5 1.063
666 2.625 3.625 0.177 3.125 1.256
Size d1 d7 d8 dp l4
444 44.4 63.5 3.5 53.9 23.9
539 53.9 73 3.5 63.5 27
666 66.6 92.1 4.5 79.4 31.9