Comparison : Item # M-29600, Solid - Threaded/Reamed - Inch
Item # M-29610, Solid - Threaded/Reamed - Inch
Item # 29611, Solid - Threaded/Reamed - Inch
Item # 29612, Solid - Threaded/Reamed - Inch
Item # 29613, Solid - Threaded/Reamed - Inch