RUKO STS-Set 5-Piece 4-Jaw Independent Lathe Chuck Set 100 mm

With a 100 mm 4-jaw independent chuck and a maximum rotational speed of 3000 RPM, this RUKO set delivers precise clamping for lathes and milling machines. The hardened steel jaws provide a firm grip on workpieces from 3 mm to 100 mm.

Overview

The RUKO STS-Set 5-piece 4-jaw independent chuck set is engineered for precision workholding. The 100 mm chuck features four independently adjustable, reversible jaws, allowing accurate centering of round, square, and irregular workpieces. The high-quality cast iron body and hardened steel jaws ensure durability and long service life.

What stands out

• 4-jaw independent design for precise centering
• Reversible jaws for internal and external clamping
• Hardened steel jaws with high wear resistance
• Plain back mounting (DIN 6350 Form A)
• Includes chuck key and mounting bolts

Technical details

• Chuck diameter: 100 mm
• Through-hole diameter: 25 mm
• External clamping range: 3 - 90 mm
• Internal clamping range: 30 - 100 mm
• Max. rotational speed: 3000 RPM
• Body material: High-quality cast iron
• Jaw material: Hardened steel
• Jaw hardness: HRC 58-62
• Jaw width: 18 mm
• Jaw height: 30 mm
• Standard: DIN 6350

Our verdict

A robust and precise 4-jaw chuck set for demanding machining tasks, offering independent jaw adjustment and a wide clamping range.