Knurling Wheel - 1/4" Hole Dia; 3/4" Dia; 20 TPI; Straight 3.0mm x 60 Serrations - Hard Jaws Chuck Size 18" to 24" inches Inside Diameter (Inch) 3/8 Outside

Inside Diameter (Inch) 3/8 Outside Diameter (Inch) 5/8 Wall Thickness (Inch) 1/8 Material PVC Maximum Working Pressure (psi) 20 Color Clear Standard Coil Length (Feet) 10 Length (Ft) 10 Hardness 65A

Product Specifications Series 32 Minimum Drill Diameter (Decimal Inch) 1

*Brand Name: Collis *Drill Size: Letter P *Morse Taper Shank: 2

740 *Model Number: 4124A8R *Mount: A2-8 *Mount Recess: 5

but physically applying a knurl on small diameters may not be possible

Knurling Wheel - 1/4" Hole Dia; 3/4" Dia; 20 TPI; Straight 3.0mm x 60 Serrations - Hard Jaws Chuck Size 18" to 24" inches Inside Diameter (Inch) 3/8 OutsideItem #: GG35RS20HS Manufacturer: Dorian Mfg #: 26509 Technical Specifications: *Brand Name: Dorian *Class: Knurls *Hole: 1 4 *Material: High Speed Steel *OD: 3 4 *Pitch: Circular *Series: R *Style: Straight *Thickness: . 197 *Type: Knurling Wheel *TPI: 20 Description: *Circular Pitch Knurls are made to extremely high standards from the finest materials available *Knurls are individually hob cut and lapped to a smooth hard finish to give longer life