The stainless steel bolts that hold it together cost ... Jaques Besson. The first nuts and bolts appeared in the middle 1400's. The bolts were just screws with straight sides and a blunt end.
Description: SLOTTED, PHILLIPS TYPE 18-8 STAINLESS STEEL MATERIAL 1.25 INCH 1.418 INCH OVERALL LENGTH 20 TPI 1/4 INCH NOMINAL SIZE ROUND HEAD STYLE HEX NUT TYPE HEAD WIDTH 0.458 INCH HEAD HEIGHT 0.168 ...
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