Knurling Wheel - 1/4″ Hole Dia., 3/4″ Knurl Dia., 3/8″ Width (21 TPI) - Series KP Tire Item #: 00562462

Item #: 00562462

Mfg #: ER40-0875

Item #: 19212257

Series: 5533

131 *Style: ER *Tap Size: 5/32 or #8 *Type: Floating Tap

Knurling Wheel - 1/4″ Hole Dia., 3/4″ Knurl Dia., 3/8″ Width (21 TPI) - Series KP Tire Item #: 00562462Item #: SE40KPR221 Brand: Generic USA Model #: SE40KPR221 Product Specifications Arbore Hole Diameter 1 4 Threads per Inch (TPI) 21 Outer Diameter 3 4 Angle 90 Degrees Material HSS Tool Type Knurling Wheel KP Pitch Spiral PackSize 1 Style Right Hand 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