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Threaded Rod
Threaded rod is a fastening bar or a rod threaded along its length. Thread
direction is an important specification to consider. Choices include right hand,
left hand, or both right hand and left hand. Right hand threads are configured
so that clockwise rotation tightens the threaded rod to a fastener. Left hand
threads are less common, but well-suited for applications in which motor
vibration would cause right handed threads to loosen. When thread direction is
not specified, the default direction is usually to the right. Left handed
threads are usually listed explicitly. Threaded rod with both right hand threads
and left hand threads have right threads at one end of the rod, and left threads
at the opposite end. This dual thread style is used for specialty assemblies
such as turnbuckles.
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Threaded
rod can be made of aluminum, brass, bronze, silicon bronze, copper, and
proprietary alloys such as Inconel® and Incoloy® (Special
Metals Corp.) Aluminum is a bluish, silver-white, malleable, ductile, light,
trivalent, metallic element with good electrical and thermal conductivity, high
reflectivity, and resistance to oxidation. Brass has good strength, excellent
high-temperature ductility, reasonable cold ductility, good conductivity,
excellent corrosion resistance, good bearing properties and low magnetic
permeability. Copper is a reddish metallic element that is ductile and malleable
and is one of the best conductors of heat and electricity. Bronze contains
copper as its main alloying metal. Silicon bronze is another common material for
threaded rod.
Steel, stainless steel, and titanium threaded rod is commonly available. Steel
is iron that contains carbon in any amount up to about 1.7 percent as an
essential alloying constituent. Stainless steel is chemical and corrosion
resistant and can have relatively high stress ratings. Other types of steel
include carbon steel, alloy steel, and hardened steel. Titanium is strong,
lightweight, and suitable for a variety of aerospace and medical applications.
When alloyed with steel, titanium adds strength and oxidation resistance to
threaded rods.
Metallic threaded rod can be anodized, treated with black oxide, chrome
galvanized, phosphate coated, or plated with silver, gold, tin, zinc, or zinc
chromate. Non-metallic threaded rod can be made of plastic, fiber-reinforced
plastic, nylon, polyvinyl chloride (PVC), polyvinylidene fluoride (PVDF),
polytetrafluoroethylene (PTFE), or synthetic rubber.
Related keywords:
Anchors
Bolts
Captive
Fasteners Hook
and Loop Fasteners Industrial
Pins Lockbolts
Locknuts,
Precision
Nails
Nuts
Quick
Connect Fasteners Retaining
Rings and Snap Rings Rivets
Screws
Self-sealing
Fasteners
Snap
Fasteners Specialty
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Spring
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Studs
Threaded
Assemblies
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Inserts Threaded
Rod Washers
Wave
Washers Zippers
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