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Best Auto Feed Drilling Machine
Here is a picture of one of our parts we drill and tap. Notice the top piece where the yellow is. The yellow is a protective cap but that hole is drilled and taped. The thickness of the top is no more that 1.5" thick. We were using standard type drill bits in several steps to achieve larger... -
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Best Auto Feed Drilling Machine
Thanks for you replies. I just found out that its all about the tapping which requires much more torque than hole cutting. I am changing from standard (2 or 3 step) drill bits to using an annular hole bit for one pass then tap. Just talked to a drill manufacturer who basically said a magnetic... -
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Best Auto Feed Drilling Machine
I am looking for an easier system to drill and tap our cast iron service saddle pipe clamps that are used in the waterworks industries. Currently we are using an older Carlton Radial Arm Drill Machine but would like to find a smaller drill that can handle this work. We drill from 1/2" to 2"...