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STS Reaming Head RTU ID Thread
Chip Back 45° or 20° Lead

 
RTU heads are ID threaded and will fit all standard single tube bars. Under favorable cutting conditions, an excellent hole quality is obtained. Cutting edge may be reground several times before discarding the head. Instruction available upon request. Supplied with standard chip-breaker dimension unless otherwise specified. For both blind and through hole reaming. In reaming through holes, the exit end of the part must be sealed off.
 
 Schematics and product specifications appear below. To request a catalog please complete our Catalog Request Form.

 
 
Reaming Head RTU Schematic
 




Standard
ID Thread
NOTE:
When ordering RTU Chip Back Reaming heads be sure to indicate 20° or 45° lead.
 
Part # Diameter (mm) Tube Diameter (mm) U (mm) L (mm)
RTU -150CB 14.51-15.00 12-1 3 52
RTU -155CB 15.01-15.50 12-2 3 52
RTU -160CB 15.51-16.00 13-1 3 52
RTU -165CB 16.01-16.50 13-2 3 52
RTU -172CB 16.51-17.25 14-1 3 52
RTU -180CB 17.26-18.00 14-2 3 52
RTU -190CB 18.01-19.00 15 3 52
RTU -199CB 19.01-19.99 16.5 3 52
RTU -219CB 20.00-21.99 18 3 57
RTU -249CB 22.00-24.99 20 3 57
RTU -269CB 25.00-26.99 22 3 67
RTU -299CB 27.00-29.99 24 3 67
RTU -319CB 30.00-31.99 26 3 67
RTU -339CB 32.00-33.99 28 3 67
RTU -369CB 34.00-36.99 30 3 80
RTU -399CB 37.00-39.99 33 3 80
RTU -439CB 40.00-43.99 36 3 80
RTU -469CB 44.00-46.99 39 3 90
RTU -519CB 47.00-51.99 43 5 90
RTU -569CB 52.00-56.99 47 5 90
RTU -609CB 57.00-60.99 51 5 90
RTU -650CB 61.00-65.00 56 5 90
 
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