The SUPRA-S Quick-action Drill Chucks are designed for efficient tool clamping in both stationary and hand-operated drills, providing a secure hold and enhanced performance. Crafted from hardened and superfinished steel, these durable chucks feature a strong retaining ring and deliver concentricity up to 0.17 mm for precise operation. Ideal for clockwise rotation only, they include a unique self-tightening function that increases clamping force proportionally with cutting force, ensuring a reliable grip during use. With quick and easy tool clamping, the SUPRA-S chucks combine robustness and convenience for professional drilling applications.

Features
• Built from toughened, superfinished steel for long-lasting durability
• Reinforced retaining ring for stable and secure operation
• Versatile design for use with both stationary and handheld drills
• Clockwise rotation-specific design for dependable functionality
• High concentric accuracy with up to 0.17 mm precision
• Automatic tightening feature boosts grip strength as cutting force intensifies
• Fast, straightforward tool clamping for convenient handling