name = "steve/spring-lock-washer"
version = "1.0.0"
runtime = "steve"
license = "MIT"
summary = "Metric curved spring washers (DIN 137 A) and external tooth lock washers (DIN 6797 A), M2 to M10."
description = """Curved spring washers, DIN 137 form A (M2 to M10): the annulus curved about one axis to its free height \
h max. External tooth lock washers, DIN 6797 form A (M2 to M8): envelope geometry, the flat blank (the teeth's shape \
is not given by the standard).

Centred on the origin, lying on the XY plane. Dimensions: see the README."""
tags = ["fastener", "washer", "spring-washer", "curved-washer", "tooth-lock-washer", "din-137", "din-6797", "metric"]

[parameters.size]
type = "choice"
default = "M4"
choices = ["M2", "M2.5", "M3", "M4", "M5", "M6", "M8", "M10"]
label = "Screw size"

[parameters.style]
type = "choice"
default = "curved"
choices = ["curved", "tooth"]
label = "Style"
description = "curved: DIN 137 A (M2 to M10); tooth: DIN 6797 A external teeth (M2 to M8)."

[parameters.material]
type = "choice"
default = "spring-steel"
choices = ["spring-steel", "stainless"]
label = "Material"

[[presets]]
id = "DIN137A-M2"
title = "Curved spring washer M2 (DIN 137 A)"
params = { size = "M2", style = "curved" }
aliases = ["DIN 137 A M2", "DIN 137 M2", "curved spring washer M2", "DIN 137A M2"]
standard = "DIN 137 A"

[[presets]]
id = "DIN137A-M2.5"
title = "Curved spring washer M2.5 (DIN 137 A)"
params = { size = "M2.5", style = "curved" }
aliases = ["DIN 137 A M2.5", "DIN 137 M2.5", "curved spring washer M2.5", "DIN 137A M2.5"]
standard = "DIN 137 A"

[[presets]]
id = "DIN137A-M3"
title = "Curved spring washer M3 (DIN 137 A)"
params = { size = "M3", style = "curved" }
aliases = ["DIN 137 A M3", "DIN 137 M3", "curved spring washer M3", "DIN 137A M3"]
standard = "DIN 137 A"

[[presets]]
id = "DIN137A-M4"
title = "Curved spring washer M4 (DIN 137 A)"
params = { size = "M4", style = "curved" }
aliases = ["DIN 137 A M4", "DIN 137 M4", "curved spring washer M4", "DIN 137A M4"]
standard = "DIN 137 A"

[[presets]]
id = "DIN137A-M5"
title = "Curved spring washer M5 (DIN 137 A)"
params = { size = "M5", style = "curved" }
aliases = ["DIN 137 A M5", "DIN 137 M5", "curved spring washer M5", "DIN 137A M5"]
standard = "DIN 137 A"

[[presets]]
id = "DIN137A-M6"
title = "Curved spring washer M6 (DIN 137 A)"
params = { size = "M6", style = "curved" }
aliases = ["DIN 137 A M6", "DIN 137 M6", "curved spring washer M6", "DIN 137A M6"]
standard = "DIN 137 A"

[[presets]]
id = "DIN137A-M8"
title = "Curved spring washer M8 (DIN 137 A)"
params = { size = "M8", style = "curved" }
aliases = ["DIN 137 A M8", "DIN 137 M8", "curved spring washer M8", "DIN 137A M8"]
standard = "DIN 137 A"

[[presets]]
id = "DIN137A-M10"
title = "Curved spring washer M10 (DIN 137 A)"
params = { size = "M10", style = "curved" }
aliases = ["DIN 137 A M10", "DIN 137 M10", "curved spring washer M10", "DIN 137A M10"]
standard = "DIN 137 A"

[[presets]]
id = "DIN6797A-M2"
title = "External tooth lock washer M2 (DIN 6797 A)"
params = { size = "M2", style = "tooth" }
aliases = ["DIN 6797 A M2", "DIN 6797 M2", "external tooth lock washer M2", "star washer M2"]
standard = "DIN 6797 A"

[[presets]]
id = "DIN6797A-M2.5"
title = "External tooth lock washer M2.5 (DIN 6797 A)"
params = { size = "M2.5", style = "tooth" }
aliases = ["DIN 6797 A M2.5", "DIN 6797 M2.5", "external tooth lock washer M2.5", "star washer M2.5"]
standard = "DIN 6797 A"

[[presets]]
id = "DIN6797A-M3"
title = "External tooth lock washer M3 (DIN 6797 A)"
params = { size = "M3", style = "tooth" }
aliases = ["DIN 6797 A M3", "DIN 6797 M3", "external tooth lock washer M3", "star washer M3"]
standard = "DIN 6797 A"

[[presets]]
id = "DIN6797A-M4"
title = "External tooth lock washer M4 (DIN 6797 A)"
params = { size = "M4", style = "tooth" }
aliases = ["DIN 6797 A M4", "DIN 6797 M4", "external tooth lock washer M4", "star washer M4"]
standard = "DIN 6797 A"

[[presets]]
id = "DIN6797A-M5"
title = "External tooth lock washer M5 (DIN 6797 A)"
params = { size = "M5", style = "tooth" }
aliases = ["DIN 6797 A M5", "DIN 6797 M5", "external tooth lock washer M5", "star washer M5"]
standard = "DIN 6797 A"

[[presets]]
id = "DIN6797A-M6"
title = "External tooth lock washer M6 (DIN 6797 A)"
params = { size = "M6", style = "tooth" }
aliases = ["DIN 6797 A M6", "DIN 6797 M6", "external tooth lock washer M6", "star washer M6"]
standard = "DIN 6797 A"

[[presets]]
id = "DIN6797A-M8"
title = "External tooth lock washer M8 (DIN 6797 A)"
params = { size = "M8", style = "tooth" }
aliases = ["DIN 6797 A M8", "DIN 6797 M8", "external tooth lock washer M8", "star washer M8"]
standard = "DIN 6797 A"