140mm is 5.51181102 inches
130mm is 5.11811024 inches
120mm is 4.72440945 inches
92mm is 3.62204724 inches
90mm is 3.54330709 inches
80mm is 3.1496063 inches
74mm is 2.91338583 inches
70mm is 2.75590551 inches
60mm is 2.36220472 inches
50mm is 1.96850394 inches
40mm is 1.57480315 inches
30mm is 1.18110236 inches
these are close to exact so round to nearest tenth or hundredth
130mm is 5.11811024 inches
120mm is 4.72440945 inches
92mm is 3.62204724 inches
90mm is 3.54330709 inches
80mm is 3.1496063 inches
74mm is 2.91338583 inches
70mm is 2.75590551 inches
60mm is 2.36220472 inches
50mm is 1.96850394 inches
40mm is 1.57480315 inches
30mm is 1.18110236 inches
these are close to exact so round to nearest tenth or hundredth









(if one gets the right type), and a dremel with a sideways bit will at best struggle if not fail entirely. The Dremel is good for light weight aluminum and acrylic...





