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GN 300.7
Adjustable handles
with torque amplifier, zinc alloy and stainless steel
Specifications
Lever body
Die-cast zinc alloy
Epoxy resin coating
- Black, RAL 9005, matte finish SW
- Black, RAL 9005, satin finish SZ
- Orange, RAL 2004, matte finish OS
- Red, RAL 3000, matte finish RS
- Silver, RAL 9006, matte finish SR
- Chrome CR
Ball bushing
AISI 630 stainless steel featuring a ring of balls to enhance tightening torque efficiency.
Retaining screws
AISI 304Cu stainless steel
Return spring
Stainless Steel AISI 301
Standard executions
- GN 300.7 (d1): AISI 420 stainless steel clamp with threaded hole
- GN 300.7 (d1-l2): AISI 303 stainless steel clamp with threaded hole
Information
Features
GN 300.7 adjustable handles allow for the application of higher clamping force.
The clamping element does not rest directly on the surface to be clamped. Clamping is achieved via a wide-based support bushing containing a ring of balls that does not rotate on the surface. The bushing minimises friction between the part that rotates with the lever during the tightening operation and the support bushing, which remains stationary.
Instructions for use
Instructions for use
To adjust while tightening, lift the lever to disengage the teeth of the clamping element and return it to the starting position. Upon releasing the lever, the return spring automatically re-engages the teeth.
When a 360° rotation of the lever is not possible, the clamping element can be easily screwed in (after having disengaged the lever), by turning the screw with hexagonal socket head.
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