The new R07 CINCOM is compact and has a maximum machining diameter of Φ 7 mm. It specializes in machining small-diameter parts, thus offering a wider range of high-precision work pieces for specialized parts. Rotary Guide Bushing The new R07 features a compact rotary guide bushing unit developed exclusively for high-speed, high-precision machining. With this new rotary guide bushing the R07 can perform metal cutting at speeds of up to 12,000 rpm. Without the rotary guide bushing the cutting speeds go up to 16,000 rpm. The sub-spindle delivers 10,000 rpm.