High-Grip Magnetic Holdfasts – up to 183 kg Holding Power -Adjustable Magnetic Clamps for Welding & Assembly

SKU: E939
Regular price £36.05
In stock
Next Working Day Delivery – Order by 11am (Mon–Fri)

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The EM-Series Magnetic Holdfasts by Eclipse Magnetics deliver robust and versatile magnetic clamping and work-holding solutions, designed for welding, assembly, handling and fixture integration. With quick-action screw-release handles, and models offering up to 183 kg holding power, these units turn any ferrous surface into a reliable and adjustable anchoring point for production and fabrication setups.

Key Features

  • Compact magnetic holdfast units with screw-release handle for rapid engage/disengage. 
  • Four size variants available — model E939 to E942 — covering holding forces from 20 kg to 183 kg. 
  • Pre-machined fixing holes (PCD) for secure mounting into work holding or fixture frames. 
  • Durable build for industrial work holding, welding fixtures or assembly jigs.  

Typical Applications

  • Clamping work-pieces on welding tables, fabrication benches or machining fixtures.
  • Fixture integration in assembly lines to hold parts during bonding, riveting or inspection.
  • Magnetic anchoring of components in handling systems, transport or positioning setups.
  • Use within modular work holding frames where quick repositioning of hold-points is required.

Technical Data

Model No. Diameter (mm) Height (mm) Fixing Holes / PCD Weight (kg) Pull Force (kg)
E939 44.5 44.5 2 × M8 / 31.75 0.6 20
E940 54 49.2 2 × M8 / 38.1 1.0 40
E941 70 64.5 2 × M8 / 50.8 2.0 88
E942 101.6 74.6 3 (N/A PCD) 4.7 183

Order by 11am to get delivered next working day!

*Subject to stock. If same-day dispatch isn’t possible, we’ll contact you.

Next working day service is charged at £6.50.

Additional charges will be imposed by our couriers for delivery to remote area, a surcharge may be levied to cover carriage to these areas.

Free delivery on orders over £150.

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Buy in bulk

Variant Quantity Price Total
High-Grip Magnetic Holdfasts – up to 183 kg Holding Power -Adjustable Magnetic Clamps for Welding & Assembly , Ø44.5x44.5mm Magnetic Welding Aids , Eclipse Magnetics
Ø44.5x44.5mm E939
Regular price £36.05
£0.00
Regular price £36.05
£0.00
High-Grip Magnetic Holdfasts – up to 183 kg Holding Power -Adjustable Magnetic Clamps for Welding & Assembly , Ø54x49.2mm Magnetic Welding Aids , Eclipse Magnetics
Ø54x49.2mm E940
Regular price £48.41
£0.00
Regular price £48.41
£0.00
High-Grip Magnetic Holdfasts – up to 183 kg Holding Power -Adjustable Magnetic Clamps for Welding & Assembly , Ø70x64.5mm Magnetic Welding Aids , Eclipse Magnetics
Ø70x64.5mm E941
Regular price £92.70
£0.00
Regular price £92.70
£0.00
High-Grip Magnetic Holdfasts – up to 183 kg Holding Power -Adjustable Magnetic Clamps for Welding & Assembly , Ø101.6x74.6mm Magnetic Welding Aids , Eclipse Magnetics
Ø101.6x74.6mm E942
Regular price £185.40
£0.00
Regular price £185.40
£0.00
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