The table bearing quality and size and design will determine how much extra clamp weight it can handle. Also, sprung-loaded tables like an LP12 or old Duals will need to be adjusted for the new weight.
As for a hockey puck, they drill quite nicely. Just use a 0.281" drill bit (9/32). The puck will then fit snugly.
jh
As for a hockey puck, they drill quite nicely. Just use a 0.281" drill bit (9/32). The puck will then fit snugly.
jh