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what is the difference in length of the barrels? the el-cheapo's may not extend into the pre-drilled hole far enough to be secure. Personnally, I would want at least 3/4" barrel length into each hole. If money is an issue, you may want to reconsider your installation to surface mounting the plywood. What are the walls of your house made of? Check out hurricanedepot.com for hardware examples. I invested $1200 to cover all my windows (including 2 sliding doors) with .050 corrugated aluminum panels (dade county approved). That price included all mounting hardware. Easy installation. |