Boat washer (A4 stainless steel)

  • Function: Washer (round boat washer) as set out in DIN 9021A/ISO 7093.
  • Material: Stainless steel (A4).
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 D1 M Art.no Quantity Pack. MB
6.4 18 1.6 55764 100 Packaging 40
8.4 24 2 55784 100 Packaging 40
10.5 30 2.5 557105 100 Packaging 12
13 37 3 55713 100 Packaging 12
17 50 3 557179 50 Packaging 12
22 60 4 557219 25 Packaging 12
  • Information material

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