4-Jaw Independent Lathe Chucks, Plain Back Diameter of the chuck:6"/150mm (0557-0006) A full frequency range is

A full frequency range is available for broad detection abilities

and measuring the hardness (depth of the indentation)

0048" 0222-0874 1/32-3/8" 33JT 0

216"  1/32"

Each parallel is about 4 inches long

4-Jaw Independent Lathe Chucks, Plain Back Diameter of the chuck:6"/150mm (0557-0006) A full frequency range is4 Jaw Independent Lathe Chucks, Plain Back Plain Back, semi steel body. These chucks have one set of reversible jaws. Jaws are hardened and ground. Independent jaw movement, suitable for machining all kinds of special shaped work pieces. 1 set of setting screws. 1 hexagon wrench. Item Diameter Center Hole D1 D2 D3 H H1 h z d Max Input Torque (Nm) Max Speed(r min) 0557 0003 3" 80mm 0. 866" 2. 165" 2. 598" 0. 866" 2. 323" 1. 654" 0. 138" 4 M6 25 4000