Knurling Wheel - 1/4″ Hole Dia., 3/4″ Knurl Dia., 3/8″ Width (20 TPI) - Series KP Acme Serrated Key Type - Pointed Soft Jaws Chuck Size 12" inches Outside Diameter (Inch) 4 Arbor

Outside Diameter (Inch) 4 Arbor Hole Thread Size 5/8-11 Wire Type Stringer Bead Fill Material Stainless Steel Face Width (Inch) 5/16 Trim Length (Inch) 0

Overall Length (mm): 17

5mm *Thread: M22x1

Model #: RS-SBRFR75-9

Product Specifications Cutting Diameter (DC) 17/32″ Cutting Edge Material HSS Connection Diameter Machine Side (DCONMS) 0

Knurling Wheel - 1/4″ Hole Dia., 3/4″ Knurl Dia., 3/8″ Width (20 TPI) - Series KP Acme Serrated Key Type - Pointed Soft Jaws Chuck Size 12" inches Outside Diameter (Inch) 4 ArborItem #: SE40KPS220 Brand: Generic USA Model #: SE40KPS220 Product Specifications Arbore Hole Diameter 1 4 Threads per Inch (TPI) 20 Outer Diameter 3 4 Angle 90 Degrees Material HSS Tool Type Knurling Wheel KP Pitch Circular PackSize 1 Style Straight Remarks Circular Pitch Knurls 30 Spiral Knurls 
KP Series Circular Pitch Knurls
The circular Pitch Knurl System is the older system and has been in use many years. The spacing of the teeth