Knurling Wheel - 1/4″ Hole Dia., 3/4″ Knurl Dia., 3/8″ Width (30 TPI) - Series KP American Standard Tongue & Groove - Hard Top Jaws for 3 Jaw Scroll Chucks 15" inches Mfg #: 340-016

Mfg #: 340-016

Mfg #: 81425

Mfg #: 05920-220

Item #: GM20141604002

Knurling Wheel - 1/4″ Hole Dia., 3/4″ Knurl Dia., 3/8″ Width (30 TPI) - Series KP American Standard Tongue & Groove - Hard Top Jaws for 3 Jaw Scroll Chucks 15" inches Mfg #: 340-016Item #: SE40KPS230 Brand: Generic USA Model #: SE40KPS230 Product Specifications Arbore Hole Diameter 1 4 Threads per Inch (TPI) 30 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