Comparison : Item # JPHW 4420, JPHW 4420 - 1/2-13 Weld Stud with 3 Projections Under the Head
Item # JPHW 3328, JPHW 3328 - 3/8-16 Weld Stud with 3 Projections Under the Head
Item # JPHW 3332, JPHW 3332 - 3/8-16 Weld Stud with 3 Projections Under the Head
Item # JPHWM 10035, JPHWM 10035 - M10 x 1.50 Weld Stud with 3 Projections Under the Head
Item # JPHWM 10040, JPHWM 10040 - M10 x 1.50 Weld Stud with 3 Projections Under the Head