Construction screw (external) for beam max 6 mm

  • Function: Drill tip and threads adapted for anchoring to steel up to 6 mm. The wings mill out the hole in the timber. When the drill tip passes through the steel the wings break off. The grooves under the head sink the screw.
  • Drive type: TX 25 and 30.
  • Material: Case hardened steel.
  • Surface treatment: Zincotech Ag, type approved for corrosivity class C4, no. 0167/07, for outdoor use.
  • Installation instruction: A power screwdriver with a speed of 1,000-2,000 rpm are recommended.
Unit Guide
D Diameter
D1 Outer diameter
G Thread length
H Head diameter
L Length
M Thickness
MB Mother box
Drill cap. mm Drill capacity mm
Max comp. thick. app. mm Max component thickness application mm
Min. drill depth mm Minimum drill depth mm
Screw dim. mm Screw dimension mm
Surface treat. Surface treatment
D L G Bits/Socket Min drill cap. mm Max drill cap. mm Max comp. thick. app. mm Art.no Quantity Pack. MB
4.8 45 42 25 1.3 3 25 B3345 5000 Bulk pack
4.8 45 42 25 1.3 3 25 3345 400 Packaging 8
5.5 50 46 25 1.3 6 25 B3350 3000 Bulk pack
5.5 50 46 25 1.3 6 25 3350 250 Packaging 8
5.5 70 66 25 1.3 6 45 B3370 2500 Bulk pack
5.5 70 66 25 1.3 6 45 3370 200 Packaging 8
6.3 100 95 30 1.3 6 70 B33100 1200 Bulk pack
6.3 100 95 30 1.3 6 70 33100 100 Packaging 8
6.3 120 115 30 1.3 6 90 B33120 700 Bulk pack
6.3 120 115 30 1.3 6 90 33120 100 Packaging 8
  • Information material

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