Instruction Video:

Installation instructions Farmer screw/Overlap screw

Façade screw (external) for wood stud

  • Function: Drill tip with diameter adapted to suit sheet metal, drills very quickly in sheet metal up to 2 x 1.25 mm. Wood thread provides solid anchoring in timber. EPDM rubber for watertight seal. The head’s low-profile pan design fits superbly to most external façade panels as well as other external attachments.
  • Track type bit: TX 20.
  • Material: Case hardened steel and EPDM rubber.
  • Coating: Zinc-plated 20 my. Powder coated with polyester lacquer, for outdoor use.
  • Installation instructions: A power screwdriver with a speed of 1,500-2,500 rpm is recommended.
  • Sizing: About 6-8 pcs/m².
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 Colour Art.no E-number Quantity Pack. MB
4.8 35 Black RAL 9005 P683422 100 Plastic box 12
4.8 35 Black RAL 9005 683422 100 Packaging 12
4.8 35 Black RAL 9005 SB683422 10 Pack 10
4.8 35 Brick red RAL 8004 683433 100 Packaging 12
4.8 35 Brick red RAL 8004 SB683433 10 Pack 10
4.8 35 Dark red RAL 3009 683455 100 Packaging 12
4.8 35 Dark red RAL 3009 SB683455 10 Pack 10
4.8 35 Silver RAL 9006 683477 100 Packaging 12
4.8 35 Silver RAL 9006 SB683477 10 Pack 10
4.8 35 White RAL 9010 P683444 100 Plastic box 12
4.8 35 White RAL 9010 683444 100 Packaging 12
4.8 35 White RAL 9010 SB683444 10 Pack 10
NOTE: Packs are only sold in multiples of ten.
  • Information material

    You can order the information material you are interested in here. It will be delivered by post within a few days.