Type 1MD - 5/16-18 x 2-1/2 Thru Bolt & Finish Washer
Mounting Options
Type 5MD Back to Back Mtg on 1-3/4" Door, Type 6MD Concealed Mtg on Metal Door, Type 7MD Concealed Mtg on Wood Door, Type 9MD Decorative Blind Head, Type 10MD Back to Back Mtg on Glass Door