Comparison : Item # PTC2500625, Partial Thread Mild Steel Weld Stud, Thread Size 1/4-20, Length Before Weld 5/8"
Item # PTC2500750, Partial Thread Mild Steel Weld Stud, Thread Size 1/4-20, Length Before Weld 3/4"
Item # PTC2500875, Partial Thread Mild Steel Weld Stud, Thread Size 1/4-20, Length Before Weld 7/8"
Item # PTC2501000, Partial Thread Mild Steel Weld Stud, Thread Size 1/4-20, Length Before Weld 1"
Item # PTC2501125, Partial Thread Mild Steel Weld Stud, Thread Size 1/4-20, Length Before Weld 1-1/8"