Module 0.4 M0.4 Plastic Worm, Suitable For 2.0mm Shaft of Motor

Available in three different lengths

Size, measured by hand

The size of the non-threaded part

They are all 4.9mm in diameter

Length 7.4mm worm

The length of the 7.4mm worm weighs 0.07g

Length 8.9mm worm

The length is 8.9mm and the worm weighs 0.08g

Length 11.5mm worm

The 11.5mm worm weighs 0.14g