Kozelo Keyed Drill Chuck Set 3-16mm (1/8"-5/8") with R8 Shank, High Carbon Steel | Heavy Duty Lathe Drill Chuck R8 Arbor (B18) for Precision Drilling, CNC Machining

• Specification: Clamping Range: 3-16 mm / 1/8"-5/8", Shank Diameter: 31.267 mm / 1.23 inch, Shank Length: 141 mm / 5.55 inch, Drill Type: B18, Hardness: HRC50, Package Content: 1Pcs Drill Chuck, 1Pcs Chuck Wrench
• Material & Integrated Forming - Forged from premium high carbon steel, this drill chuck is dense, rigid and impact-resistant. One-piece cold pressing creates a precise compact structure. It delivers great concentricity with low runout for smooth, stable precision machining. Adopting Type B short taper structure at the rear, the self-locking taper fits tightly for firm locking. It stays secure without loosening or falling off even at high rotating speeds
• Tough & Durable Build - Treated with integral quenching and tempering, the heavy duty drill chuck reaches a hardness of HRC50. Balancing hardness and toughness, the surface is wear and scratch resistant, and the body stays sturdy during long hours of heavy workshop use, suitable for continuous heavy duty workshop operations
• Versatile Uses - Shank Built with standard R8 shank, the chuck conversion adapter fits most bench drills, lathes, milling machines, boring machines and CNC equipment. The taper locks steadily to prevent shift, supporting universal use on various machines
• Easy Clamping & Operation - Comes with a dedicated tightening wrench. The wrench driven design enables easy jaw opening and closing. Tools can be mounted and removed effortlessly for fast tool changes

Material & Integrated Forming - Forged from premium high carbon steel, this drill chuck is dense, rigid and impact-resistant. One-piece cold pressing creates a precise compact structure. It delivers great concentricity with low runout for smooth, stable precision machining. Tough & Durable Build - Treated with integral quenching and tempering, the heavy duty drill chuck reaches a hardness of HRC50. Balancing hardness and toughness, the surface is wear and scratch resistant, and the body stays sturdy during long hours of heavy workshop use, suitable for continuous heavy duty workshop operations. Type B Short Taper Connection - Adopting Type B short taper structure at the rear, the self-locking taper fits tightly for firm locking. It stays secure without loosening or falling off even at high rotating speeds. Versatile Uses - Shank Built with standard R8 shank,the chuck conversion adapter fits most bench drills, lathes, milling machines, boring machines and CNC equipment. The taper locks steadily to prevent shift, supporting universal use on various machines. Easy Clamping & Operation - Comes with a dedicated tightening wrench. The wrench driven design enables easy jaw opening and closing. Tools can be mounted and removed effortlessly for fast tool changes. Specification Clamping Range: 3-16 mm / 1/8"-5/8" Shank Diameter: 31.267 mm / 1.23 inch Shank Length: 141 mm / 5.55 inch Drill Type: B18 Package Content: 1Pcs Drill Chuck, 1Pcs Chuck Wrench