High performance multi-material big gullet tungsten carbide hole cutters in sizes from 5/8- to 6 3/4-in. diameter and 2 3/8-in. cutting depth. Cut holes 10 times as fast and three times as large using ...
Objective—To study exposure to cobalt and chromium in saw maintenance rooms and test respiratory health among saw filers at lumber mills. Hard-metal lung disease is associated with cobalt in the ...