Also known as Chicago screws, our selection of Aluminum Screw Posts include 4 Sizes:
T-228 Overall: 1/2"long Two piece Screw Post fits 7/32"diameter hole. $.30 each
T-229 Overall: 5/8"long Two piece Screw Post fits 7/32"diameter hole. $.35 each
T-230 Overall: 3/4"long Two piece Screw Post fits 7/32"diameter hole. $.39 each
T-231 Overall: 1"long Two piece Screw Post fits 7/32"diameter hole. Sold per each $.45 each
Please note that if you want these to stay permanently in place, a touch of super glue inside the barrel will do the trick!