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 7500 Length Type Long Flute

7500 Length Type Long Flute Type Spiral Extended Reach Yes Shank Type Straight-Cylindrical Material Removal Type Roughing & Finishing Shank Diameter (Decimal Inch) 0

Model #: RS-SBRFR75-9

Mfg #: H63A-75SF6

Item #: 96249164

Model #: 10004174

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 7500 Length Type Long FluteItem #: 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