Light duty all‑steel clamps, 660‑S series

Product details
  • The 660-S Series clamps are a premium light-duty option ideal for everyday use
  • Made in Germany with high-quality materials for long-lasting durability
  • Clamp rail and fixed jaw are formed from a single piece of BESSEY cold drawn steel
  • After bending and forming, the rail is heat-treated for maximum strength
  • Patented rail profile ensures reliable clamping performance under pressure
  • Drop-forged, force-optimized arm provides consistent, dependable force
  • Standard swivel pressure pads offer solid and reliable contact with your workpiece
  • Provides up to 726 lbs of clamping force with clamping capacities from 8 to 18 inches
Brochure Download
spareparts = Show Spareparts
Order number Clamping capacity Throat depth Clamping force Approx. weight
inches inches lbs lbs
660-S8 spareparts
8 4 726 2.06
660-S12 spareparts
12 4 726 2.42
660-S18 spareparts
18 4 726 2.93
  • Metal construction
  • Furniture and joinery works
  • Interior fittings
  • DIY
  • Locksmith work
  • For clamping resiliently, elastically and powerfully
  • Use the product only in its original condition.
  • Use the product only for its intended purpose. Improper use can cause personal injury or property damage.
  • Wear safety goggles to protect your eyes.
  • Wear protective gloves to protect your hands.
  • Wear safety footwear to protect your feet.
  • The handle must always be free of oil and grease to prevent slipping.
  • Keep the product out of reach of children.
  • Small parts must not be swallowed or inserted into body openings.
  • Check the product for damage before each use and make sure that all moving parts are working properly.
  • A damaged product must not be used.
  • Follow the care instructions for each product – see www.bessey.de.
  • Use only original BESSEY spare parts.
  • The Clamping tool must not be used for lifting, pulling or leaning.
  • The clamping tool must not be used to secure cargo during transportation.
  • The clamping tool may only be tightened by hand without any additional aids.
  • The clamping tool must not be used for permanent installation.
  • Regularly check that the end stop is working properly when using clamps.
  • High quality steel rail ensures durability, stability, and a corrosion resistant finish for long-lasting performance
  • Steel T-bar handle delivers strength and reliable operation for tough tasks
  • Heat treated ACME threaded spindle ensures smooth adjustments and high wear resistance
  • Drop forged steel sliding arm resists wear, providing consistent performance under heavy use
  • Regular maintenance is essential to ensure a secure hold and prevent the sliding arm from slipping.
  • Clean the rails using a suitable solvent to remove dirt and debris.
  • Keep the rail free of contaminants such as grease, oil, dried glue, wax, and silicone-based release agents, as these can affect performance.
  • Use a steel brush to clean the rails for optimal grip.
  • Clean and oil the pressure plate regularly.
  • Regularly clean and oil the spindle to maintain smooth operation and prevent wear.

Product video Light duty all-steel clamps, 660-S series

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