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Offset chopping bit
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A chisel chopping bit with one wing considerably wider than the other, as measured from the center of the bit.
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Off-sider, английский
A driller or drill crewman working on the opposite shift.
N rod bit, английский
A canadian standard noncoring bit having a set diameter of 2.940 inches. more commonly called a 215/i6 n drill-rod bit. ns bit. letter name for a step-face core bit having the same set diameters as a pennsylvania standard n bit. see n 2. n 3 inch. see n 2. n 3-inch bit. see n 2. ntt. letter name for an n-range experimental-size and -design diamond-drill rod that was discarded and superseded in 1954 by the dcdma standard-size and -design drill rod designated by the letter name nw. see appendix, table 1.
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