7/32'' x 1 1/2'' big head plunger bolts are for standard 3/4'' frame. The spring loaded plunger pops into a 1/4'' hole. Plunger bolt set includes bolt, cap and spring. Use our two step high speed drill bit to drill proper size hole into screen frame. See screening tools category.
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These plunger bolts were the exact same as the originals that were installed in 1982.
These Plunger Bolts were perfect replacements for the ones that were in my 27 year old window screens. No modifications were required and they can be installed with only a pair of pliers.