Hex 6 Spacer, Standoff 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 mm; M4 Pin M6

thingiverse

There are Hex Key Wide 6 mm spacers available in lengths of 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100 mm. Each spacer features the same M6 pin, which is 6 mm long. The thread length varies by spacer size: the 10 mm spacer has a 7 mm thread, while the 20 mm spacer boasts a 17 mm thread. The 30 mm spacer takes it to 27 mm, and all other spacers have threads measuring 27 mm in length as well.