LEWA Upper Expansion Screw - 18mm


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Ridges in body of these screws provide stable anchorage in acrylic.

  • 18mm Expansion
  •  20mm L x 8.6mm W x 4mm D
More Information
Type Traditional Linear
Length 20 mm
Width 8.6 mm
Depth 4 mm
Arch Upper
Spring Loaded No
Movement per Rotation 0.9mm
Contains Friction No
Activation Points 1 Point
Expansion Amount 18mm
Used For Haas
Non-Backup Feature No
Non-Separating Feature No
Acrylic Born Acrylic Applications
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