4-Star Knob for M8 Hex Nut
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Published on August 5, 2010
Description
This is a derivative of "Knob for a 1/4in. Hex Screw by noobcake":
thingiverse.com/thing:3596
I had a problem tightening a couple of metric M8 threaded clamps on my old drill press using the stock "7 bump knob" (2nd photo shows original and improved version). They never worked right and after looking at Noobcake's design, thought his would work way better. It did.
There are 2 changes to the original design. The knob's hex opening now fits an M8 threaded hex nut and there is a hole through the knob to accommodate the 3" bolt shaft on the clamp.
thingiverse.com/thing:3596
I had a problem tightening a couple of metric M8 threaded clamps on my old drill press using the stock "7 bump knob" (2nd photo shows original and improved version). They never worked right and after looking at Noobcake's design, thought his would work way better. It did.
There are 2 changes to the original design. The knob's hex opening now fits an M8 threaded hex nut and there is a hole through the knob to accommodate the 3" bolt shaft on the clamp.
Instructions
Print using your favorite SkeinForge settings. I set INFILL SOLIDITY RATIO to 0.3 in the FILL menu which provided a lot of strength to the star fingers. You might do some sanding on the back and front with 220A as needed. The M8 (means 8mm I think) hex nut should press fit into the opening after you clean out the leftover plastic cobweb.
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