Jacobs Chuck Medium Duty Plain Bearing Chucks, K0, Jacobs 0JT Female

Fluted sleeve standard on all models except 6200, 6206, 6204, 6208, 31138, which are smooth and ground. Jaws center-ground for absolute straightness and alignment. Jaws specially treated to ensure extended thread life and high gripping surface hardness. One-piece sleeve eliminates crack between driving teeth often found in other designs. Through-hardened sleeve teeth, nose, and keyholes for wear resistance

Attributes:

Bit/Blade Mounting Size [Max] = 0.156 in, Bit/Blade Mounting Size [Min] = 0.04 in, Finish = Smooth Sleeve, Housing Diam = 0.8 in, Key Size = K0, Mechanism = Plain Bearing, Mounting = Tapered; Jacobs 0JT Female, Overall Length [Max] = 1.45 in, Overall Length [Min] = 1.1 in, Type = Keyed, Wt. = 2 oz. (1 EACH = 1 EACH)