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Material: Forged Steel
Bolt: 3/8"- 16 Thread
Head Size: 3/8" Square, 15/16" Diameter Flange, 5/8" Depth including Flange
7" Bed Bolts are for wood and rope beds where tendon end of bed rail slips into mortise cut into bed post. Bed Bolt is then added to create a strong rigid joint between wooden bed-posts and bed-rails by drawing them tightly together.
Rope beds were used in the 1700's - 1800's. Bed rails had short wooden pegs the entire length of rail. A rope was wound in and out around pegs. This created a rope mesh to support their feather "tick", the forerunner of the mattress.
Measure depth of Head- channel. must-be deep enough to contain 5/8" head including flange.
Measure channel less Head-channel: must-be long enough to accommodate bolt length less head & flange.
Historically thread-size of old/antique nuts varied. Our bolts screw into a 3/8"- 16 nut, 3/8 refers to bolt diameter, 16 refers to the number of threads per inch. If your bed has existing nuts It will be necessary to determine nut thread size. Nuts must be replaced if size is different than 3/8"- 16.