FEX combi screw, combination thread, flat countersunk head, cross recess H, drill point, titanium silver

  • Application: The FEX screw-and-washer assembly 4.2 x 35 mm is suitable only for plastic windows with steel reinforcement, not for wooden windows
  • Very high load-bearing capacity, suitable for sash windows with modern triple glazing

Special features

Cross recess H

Flat countersunk head with restraining ribs

Bevelled head flanks and restraining ribs under the head.

Combination thread

Fine thread for metal, coarse thread for plastic.

SPAX typical ground serrations

Quick and secure fastening.

Drill point

Drill point for optimum drilling performance in manual and automatic operation.

Titanium silver A3J

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