Worm Shaft 4.5M
Worm Shaft with 4.5M pitch with bearing to bearing length 165 and total lenght of 390. Match with Worm Gear 148 OD, 30T.
Worm Shaft with 4.5M pitch with bearing to bearing length 165 and total lenght of 390. Match with Worm Gear 148 OD, 30T.
NONE
Pure metal with no residues and no protective layers on surface
Surface Treatment
A layer of chemical coating to prevent iron from rust and gives a black finish
PHOSPHATE
A layer of chemical coating to improve corrosion resistance and friction properties
HEAT TREATMENT
Component is heated to high temperature for hours to improve strength and makes harder