【PREMIUM MATERIAL】 - Diameter: 125 mm (4.92 in). The 4-jaw mini lathe chuck body is made of cast iron that has passed rigorous quality tests. So it is rigid and durable.
· 【REVERSIBLE JAW SET】 - The lathe chuck is equipped with three inward stepped jaws that can be stepped inward or outward to hold raw materials of different shapes.
· 【ENHANCED FLEXIBILITY】 - The T chuck key of the lathe part allows the installation of various workpieces. And easy operation reduces changeover time for your convenience.
· 【OF HIGH PRECISION】 - The 4-jaw lathe chuck works accurately, bearing tolerance of ≤0.07 mm (0.003 in) to ensure satisfying metal processing.
· 【REMARKABLE VERSATILITY】 - This chuck has a compact construction. It is suitable for installation on a metal lathe chuck and clamping workpieces of various shapes.
Chuck Body Material: Cast Iron
Jaws Material: 40CR Steel
Bevel Gear Material: 40CR Steel
Pinions Material: 20CR Steel
Chuck Diameter: 125 mm (4.92")
Internal Jaw Clamping Range: 7-57 mm (0.276"-2.244")
External Jaw Clamping Range: 48-125 mm (1.89"-4.92")