JimErn Posted February 15, 2020 Report Posted February 15, 2020 8 hours ago, Rockytime said: Can you hold a #72 drill in it? Page says it will hold a 1/32'd bit, so no 1/32'd is 0.0313" #72 is 0.0250" OCtoolguy 1 Quote
Scrolling Steve Posted February 15, 2020 Report Posted February 15, 2020 I have used the Seyco drill for several years and love it ! OCtoolguy 1 Quote
BadBob Posted February 15, 2020 Report Posted February 15, 2020 13 hours ago, Rockytime said: Can you hold a #72 drill in it? Yes, it will hold a #72 bit. However, is near the bottom end. a .025 (#75) diameter bit works, but the next smaller size I have .023 diameter will not work. If I close the chuck all the way it slide right in. That was much harder than I had expected. I spent an hour hunting for and measuring bits. I have some so tiny that if I ever dropped them they would be gone for ever. I almost needed tweezers to pick them up. OCtoolguy 1 Quote
BadBob Posted February 15, 2020 Report Posted February 15, 2020 (edited) 18 hours ago, Rockytime said: Can you hold a #72 drill in it? Double post. Edited February 15, 2020 by BadBob OCtoolguy 1 Quote
OCtoolguy Posted February 15, 2020 Report Posted February 15, 2020 4 hours ago, BadBob said: Yes, it will hold a #72 bit. However, is near the bottom end. a .025 (#75) diameter bit works, but the next smaller size I have .023 diameter will not work. If I close the chuck all the way it slide right in. That was much harder than I had expected. I spent an hour hunting for and measuring bits. I have some so tiny that if I ever dropped them they would be gone for ever. I almost needed tweezers to pick them up. I used to sell an add-on drill bit set from the numbered sets. It was comprised of 61-80 in a tiny metal index. The carburetor guys bought tons of them for opening up jets and cleaning out air-bleeds. About $20 at the time. Quote
teachnlearn Posted February 16, 2020 Report Posted February 16, 2020 (edited) Fractional measurement of a number 72 bit is 0.025 inches. 1/32 works out 0.03125. RJF Read from activity page and double posted an answer someone else put. Edited February 16, 2020 by teachnlearn OCtoolguy 1 Quote
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