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Total cost for 1 FSU (not acounting for cost reduction due to quantity): $211.59

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titleRequires: off the shelf modification, shoulder bolt, bushing, castle nut and washers

Off the shelf modification:

25.4mm bushings need to be cut into two 10mm bushings

Shoulder bolt: Thread length too small, need longer bolt94361A119

97345A447 - https://www.mcmaster.com/94361A11997345A447/:

  • $7$10.5473

  • 10-32 thread

  • 50.8mm 54mm long (2inches2 1/8 inches)

  • Required length is 51mm so 0.2mm of threads would be under preasurethere is an additional 3mm

Bushing

6381K42 - https://www.mcmaster.com/6381K42/:

  • $5.30

  • 6.35 → 9.525mm conversion (1/4 → 3/8 inches)

  • 25.4mm long (1 inch)

  • Needs to be cut into two 10mm parts

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titleRequires: M10, M8, 10-32

M8: x1 (need 1 per wheel)

93760A222 - https://www.mcmaster.com/93760A222/:

  • $3.52 pkg. 5

M10: x1 (need 5 per wheel)

93760A233 - https://www.mcmaster.com/93760A233/:

  • $6.87 pkg. 5

10-32: x1 (need 2 per wheel) Does not work for 10-32 bolt

91853A510 - https://www.mcmaster.com/91853A510/:

  • $11.15 pkg. 5

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