Type SR

Type SR
The KSH Type SR plastic screw is a durable, adaptable fastener designed to close threaded openings in filter bottoms or secure concrete bushings to formwork. Built with a variable thread length, it can be easily adjusted to suit the thickness of the formwork, ensuring a tight and reliable seal. Manufactured by KSH Germany and supplied exclusively in New Zealand by Absorb It Ltd, the Type SR screw delivers consistent, proven performance for water treatment and construction applications alike—combining precision engineering with easy installation.

Slot Size by Colour

  • crop_square 0.2mm Slot Size - Ivory
  • crop_square 0.3mm Slot Size - Green
  • crop_square 0.35mm Slot Size - White
  • crop_square 0.5mm Slot Size - Grey
  • crop_square 0.7mm Slot Size - Yellow
  • crop_square 0.8mm Slot Size - Blue
  • crop_square 1.0mm Slot Size - Black
  • crop_square 1.5mm Slot Size - Orange
  • crop_square 2.0mm Slot Size - Green

Watch the Orthos 4-Part Filter Nozzle Series

Deepen your understanding of filtration system design with the Orthos’ four-part video series — Filter Nozzles 101, 102, 103, and 104.

Explore everything from material selection and screen slot widths to pressure drop dynamics and advanced tailpipe construction for air scour systems.

Whether you’re an engineer, designer, or filtration specialist, these videos unpack the science behind high-performance nozzle systems — helping you optimise efficiency, durability, and performance in every project.

Watch the Series