Reamers and how to use them - NEMES
2006-1-2 · taper reamer C is for finishing or adjusting taper bores in sprockets (motorcycle) or small pulleys. Use in a lathe ensures true-running of the sprocket or pulley. A taper broach D, which has a scraping rather than a cutting action, 997 is for opening out drilled holes to take taper pins-as when a collar is pinned to a shaft, the pin then driving in firmly.
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