*Stock Parts a B-7 All thread yellow Zinc Plated
*Studs come four to a package & two high collar washer per stud
*High collar washers are used to prevent the last thread in the case from galling and to lock the stud in place to prevent it from backing out when removing the nut
*Thread sizes are SAE course thread
*Custom legnths can be made upon request
*SAE fine thread can be made upon request
*Studs are used with Seal Gland Nuts to mount mechanical seal on the pump.