Manual Self Centering Lathe Chuck 3 Jaws 4 Jaws 3.17mm 5mm

Experience precision and versatility with the Manual Self Centering Lathe Chuck, crafted for reliable performance in demanding workshop environments. Available in 3-jaw and 4-jaw configurations, this chuck features a strong zinc alloy body and steel jaws to withstand tough conditions while delivering accurate holding power. Its self-centering design minimizes runout, with a tolerance of 0.002 inch or less, so you get consistently tight workholding across a variety of materials. The wide clamping range and easy jaw adjustment via the chuck key mean quicker setups and more time focused on your work. Perfect for lathe machines, grinding machines, or milling machines, this compact chuck balances strength and convenience for everyday machining tasks. At intercyprus.com since 2002 — trusted for quality and reliability.

Benefits & Tips

• Efficient all-around clamping: The self-centering chuck grips materials from multiple directions for secure, even holding and reduced vibration during machining.
• Fast setup: Jaw adjustment is quick with the included chuck key, enabling faster installations and more productive work days.
• Wide compatibility: Internal and external jaws, along with a large clamping range, suit a variety of industrial parts and applications on lathe, grinding, and milling machines.

Product specifications

• Type: 3 jaws, 4 jaws (optional)
• Connecting shaft: 3.17 mm, 5 mm, 8 mm (optional)
• Material: zinc alloy + stainless steel
• Chunk diameter: approx. 50 mm / 2.0 in
• Chunk thread diameter: 12 mm
• Chunk thread pitch: 1 mm
• Package size: 90 x 70 x 45 mm / 3.5 x 2.8 x 1.8 in
• Package weight: 226 g / 8.0 oz
• Origin: Mainland China
• Certifications: CE

Package includes:

• 1 x Chunk
• 1 x Connecting Shaft
• 2 x Screws
• 1 x Wrench for Chunk
• 1 x Wrench for Connecting Shaft Screws

Warnings / Reminders

• Ensure proper mounting to the spindle and use the correct connecting shaft size (3.17 mm, 5 mm, or 8 mm) before operation.
• Operate manually and verify that the jaws are fully engaged before starting work; avoid applying side loads or over-tightening.
• Keep hands and clothing clear during tightening and maintenance, and wear appropriate eye protection while machining.