McMaster 2815A13 Jacobs Taper-Mount Keyed Drill Chuck, Number 3, for 0.04" to 1/2" Bit Shank Size, Model 14N 2090-8-8S 32 lb Material Alloy Steel

32 lb Material Alloy Steel Includes Steel Holder Tether Style Tether Capable

for 1/2" Tube OD

Mounting Hole Center to Center 150 mm

Seal Material EPDM

McMaster 2815A13 Jacobs Taper-Mount Keyed Drill Chuck, Number 3, for 0.04" to 1/2" Bit Shank Size, Model 14N 2090-8-8S 32 lb Material Alloy SteelSecure bits into your drill press, milling machine, or lathe. These chucks are keyed, so they grip bits tightly to prevent slipping under heavy loads. Use the included key to tighten and loosen the jaws. Attach these chucks to your machine with a Jacobs taper arbor. To maximize grip and minimize runout, choose a chuck where your drill bit diameter falls in the middle of the bit shank size range. Jacobs Jacobs chucks are the most widely used drill