
SPU POSITIVE 11° CLEARANCE FLAT TOP SQUARE INSERTS FOR MEDIUM MACHINING 90° d 11° R l t ANSI ISO feed ap l d t R Number Number (ipr) (inch) SPU321 SPUN090304 .008 (.004-.012) .059 (.039-.138) 0.358 0.375 0.125 0.016 SPU322 SPUN090308 .012 (.006-.016) .059 (.039-.138) 0.343 0.375 0.125 0.031 SPU421 SPUN120304 .008 (.004-.012) .098 (.039-.197) 0.484 0.375 0.125 0.016 SPU422 SPUN120308 .012 (.006-.016) .098 (.039-.197) 0.469 0.500 0.125 0.031 SPU423 SPUN120312 .016 (.008-.020) .098 (.039-.197) 0.453 0.500 0.125 0.047 SPU531 SPUN150404 .008 (.004-.012) .118 (.059-.275) 0.606 0.625 0.187 0.016 SPU633 SPUN190412 .016 (.008-.020) .157 (.059-.354) 0.701 0.750 0.187 0.047 For use in holder CSDPN, see page 1044. CT3000 TT3500 TT6030 TT8115 TT8125 Grade K10 K20 P20 P30 Part Number SPU321 SPU322 SPU421 SPU422 SPU423 SPU531 SPU633 =P =M =K =N =S =H 977