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Conventional Machine Reaming Head RTU
ID Thread Chip Forward 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. Instructions available upon request. Supplied with standard chip-breaker dimension unless otherwise specified. They are easily adapted without modification to a gun-drilling machine and in combination with a coolant adapter, also to lathes, milling machines and machining centers. Can be used for through hole reaming only. Unitac boring bars are available.
 
 Schematics and product specifications appear below. To request a catalog please complete our Catalog Request Form.
 
RTU Reaming Head Schematic
 




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