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Black Forest
02-26-2013, 11:06 AM
I bought these two clamps on Ebay. They looked quite useful. What looks like a square head bolt is actually a T-nut. It is too small for my machines T-slots so I will make two T-nuts with that diameter threaded hole. They should be very handy to use on the drill press for a quick holddown clamp. the long slotted part is 120mm long. What is not obvious is the piece right above the square looking head has a raised bump that goes into the slot on the piece above. By sliding the clamp back and forth you can adjust how much you can fit under the clamp. It will clamp about up to 35 mm thick workpiece.


http://i853.photobucket.com/albums/ab91/burnandreturn/clamps-1_zps9039af7e.jpg

Jon Heron
02-26-2013, 12:26 PM
Those look very slick!
What size is the bolt?
Where they a one of or is there more?
Cheers,
Jon

Black Forest
02-26-2013, 12:47 PM
only the two clamps. There are no marking on the clamps. The bolt is 8mm. The description called them engravers clamps.