Definition of Cross bit
1. Noun. A rock drill having cruciform cutting edges; used in mining.
Cross Bit Pictures
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Lexicographical Neighbors of Cross Bit
Literary usage of Cross bit
Below you will find example usage of this term as found in modern and/or classical literature:
1. Transactions of the American Institute of Mining, Metallurgical and (1922)
"FIRST DRILL BITS USED The drill formerly used had a cross bit, having a straight taper from the cutting edge, the ends of the wings being straight or square ..."
2. The Subways and Tunnels of New York, Methods and Costs: With an Appendix on by Gilbert Haskell Gilbert, Lucius Irving Wightman, William Lawrence Saunders (1912)
"The power-sharpener has changed all this, and the American standard cross-bit as made in these machines is now used. As a result the capacity of the drills ..."
3. Handbook of Rock Excavation, Methods and Cost by Halbert Powers Gillette (1916)
"Rand drill with 60-lb. air pressure at the compressor., showed an average speed per minute of 0.28 in. for the ordinary cross-bit, and 0.60 in. for the ..."
4. Rock Drilling: With Particular Reference to Open Cut Excavation and by Richard Turner Dana, William Lawrence Saunders, Construction Service Company (1911)
"Rand drill with 6o-lb. air pressure at the compressor, showed an average speed per minute of 0.28 in. for the ordinary cross-bit, and 0.659 in. for the ..."
5. Mining Engineers' Handbook by Robert Peele (1918)
"A, standard American cross-bit. В has an excess clearance angle (16°) ... D, Brunton bit, which combines the easy-sharpening qualities of the cross-bit with ..."
6. American Sewerage Practice by Leonard Metcalf, Harrison Prescott Eddy (1915)
"It is as easily re-sharpened as the regular square cross bit. "The X-bit itself is shown in E. It is designed to prevent rifles. This the hand-sharpened ..."
7. Rock Drills: Design, Construction, and Use by Eustace M. Weston (1910)
"As a result of this competition it was found that the tubular bit drilled 51 £ per cent, faster than the cross-bit, and that the diameter of the bottom of ..."
8. Handbook of Construction Cost by Halbert Powers Gillette (1922)
"... drills using the cross bit, and $5 for solid-steel piston drills, th cross bit. - - - Important Considerations—Based on the Information secured during ..."