Size Tool Rolls

This line of finished size tool rolls for Davenport Automatics is available in a wide variety of sizes for "off the shelf use." Our size tool rolls will reduce grinding cost and time typically associated with standard roll modification. Manufactured from AISI 52100 steel. We guarantee roll concentricity to be less than 0.0001. Our size tool rolls and pins will accommodate all three Davenport sizing tool holders. Inventory always available from stock and competitively priced.

Clearance Dimension on all rolls except NP8 Series
Nowak guarantees roll concentricity between DIM A (O.D) and I.D. less than .0001  
For proper roll selection use this chart in conjunction with Davenport table of corrected diameters for Sizing Tool Holders

 
Size Tool Roll (Dimension A x Dimension B)
NP2-550 Size Tool Roll .550 x .125
NP2-600 Size Tool Roll .600 x .125
NP2-650 Size Tool Roll .650 x .125
NP2-700 Size Tool Roll .700 x .125
NP2-750 Size Tool Roll .750 x .125
NP2-800 Size Tool Roll .800 x .125
NP2-850 Size Tool Roll .850 x .125
NP2-900 Size Tool Roll .900 x .125
NP3-550 Size Tool Roll .550 x .187
NP3-600 Size Tool Roll .600 x .187
NP3-650 Size Tool Roll .650 x .187
NP3-700 Size Tool Roll .700 x .187
NP3-750 Size Tool Roll .750 x .187
NP3-800 Size Tool Roll .800 x .187
NP3-850 Size Tool Roll .850 x .187
NP3-900 Size Tool Roll .900 x .187
NP4-550 Size Tool Roll .550 x .250
NP4-600 Size Tool Roll .600 x .250
NP4-650 Size Tool Roll .650 x .250
NP4-700 Size Tool Roll .700 x .250
NP4-750 Size Tool Roll .750 x .250
NP4-800 Size Tool Roll .800 x .250
NP4-850 Size Tool Roll .850 x .250
NP4-900 Size Tool Roll .900 x .250
NP5-550 Size Tool Roll .550 x .312
NP5-600 Size Tool Roll .600 x .312
NP5-650 Size Tool Roll .650 x .312
NP5-700 Size Tool Roll .700 x .312
NP5-750 Size Tool Roll .750 x .312
NP5-800 Size Tool Roll .800 x .312
NP5-850 Size Tool Roll .850 x .312
NP5-900 Size Tool Roll .900 x .312
NP6-550 Size Tool Roll .550 x .375
NP6-600 Size Tool Roll .600 x .375
NP6-650 Size Tool Roll .650 x .375
NP6-700 Size Tool Roll .700 x .375
NP6-750 Size Tool Roll .750 x .375
NP6-800 Size Tool Roll .800 x .375
NP6-850 Size Tool Roll .850 x .375
NP6-900 Size Tool Roll .900 x .375
NP7-550 Size Tool Roll .550 x .437
NP7-600 Size Tool Roll .600 x .437
NP7-650 Size Tool Roll .650 x .437
NP7-700 Size Tool Roll .700 x .437
NP7-750 Size Tool Roll .750 x .437
NP7-800 Size Tool Roll .800 x .437
NP7-850 Size Tool Roll .850 x .437
NP7-900 Size Tool Roll .900 x .437
NP8-500 Size Tool Roll .500 x .500
NP8-550 Size Tool Roll .550 x .500
NP8-600 Size Tool Roll .600 x .500
NP8-650 Size Tool Roll .650 x .500
NP8-700 Size Tool Roll .700 x .500
NP8-750 Size Tool Roll .750 x .500
NP8-800 Size Tool Roll .800 x .500
NP8-850 Size Tool Roll .850 x .500
NP8-900 Size Tool Roll .900 x .500