This auction is for a bag of 100 pentagonal head bolts (3/8-16x1 1/4). I acquired these brand new penta bolts as overstock from a huge natural gas and electricity company in the North East. Pentagonal bolts have various uses in industry including in manhole covers, in covers for gas and water shutoff valves, and other high security measures.
This is the National Course Thread, Two Piece, "Little Giant" Adjustable Die Stock & Tap set. series of tap & dies, in sizes ranging from 1/4 to 3/4", is as solid as the day it was made! The box is a bit weak and could use a good 100 year cleanup & restoration!
for sale is a Penetrometer kit, contrast resolution phantom tool for various Xray and fluoro testing proceedures. general xray vascular fluoro c-arms ect. this tool is used but in great condition.
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