{
 "object": "involute-splines-iso-4156-metric-module",
 "license": "CC BY 4.0, Xem Studio",
 "files": [
  {
   "name": "spline-shaft-iso-4156-m0-5-z30",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m0-5-z30.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m0-5-z30.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 0.5, 30 teeth: pitch Ø15 mm, major Ø15.5 mm, minor (root) Ø14.25 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m1-z20",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-z20.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-z20.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 1, 20 teeth: pitch Ø20 mm, major Ø21 mm, minor (root) Ø18.5 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m1-z30",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-z30.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-z30.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 1, 30 teeth: pitch Ø30 mm, major Ø31 mm, minor (root) Ø28.5 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m1-5-z16",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-5-z16.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-5-z16.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 1.5, 16 teeth: pitch Ø24 mm, major Ø25.5 mm, minor (root) Ø21.75 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m1-5-z24",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-5-z24.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m1-5-z24.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 1.5, 24 teeth: pitch Ø36 mm, major Ø37.5 mm, minor (root) Ø33.75 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m2-z16",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m2-z16.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m2-z16.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 2, 16 teeth: pitch Ø32 mm, major Ø34 mm, minor (root) Ø29 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m2-z24",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m2-z24.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m2-z24.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 2, 24 teeth: pitch Ø48 mm, major Ø50 mm, minor (root) Ø45 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m2-5-z18",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m2-5-z18.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m2-5-z18.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 2.5, 18 teeth: pitch Ø45 mm, major Ø47.5 mm, minor (root) Ø41.25 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m3-z14",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m3-z14.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m3-z14.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 3, 14 teeth: pitch Ø42 mm, major Ø45 mm, minor (root) Ø37.5 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  },
  {
   "name": "spline-shaft-iso-4156-m3-z20",
   "step": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m3-z20.step",
   "stl": "/files/hardware/involute-splines-iso-4156-metric-module/spline-shaft-iso-4156-m3-z20.stl",
   "note": "ISO 4156 30° flat-root external spline shaft section, module 3, 20 teeth: pitch Ø60 mm, major Ø63 mm, minor (root) Ø55.5 mm; basic tooth (thickness half the circular pitch, no tolerance, effective-variation shift esv = 0), true involute flank carried down to the root circle (root fillet not modelled); the 25 mm length is an example, no chamfer, no bore"
  }
 ]
}