Machine key with flat parallel sides fitting keyways.
Mechanical EngineeringFastenersMachinery
Current best complexity is 28:
Parallel Keys can be discovered in Concepts, categorized under Mechanical Engineering, Fasteners, Machinery. Machine key with flat parallel sides fitting keyways.
It has been discovered by 1 board and crafted 2 times, first appearing 2 months ago. Parallel Keys can be created from 1 recipe, and goes on to appear as an ingredient in 3 others.
Parallel Keys was first discovered by Hello5184's board 2 months ago. They also hold the lowest-complexity recipe, at 28.
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