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Bolt Type:

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Bolt Type
   Bolt Type       
   Your choices are...         
   Anchor Bolt       An anchor bolt can be embedded in concrete or masonry and is used for construction or structural assemblies.  
   Carriage Bolt       Carriage bolts are round or flat headed bolts used to fasten metal to wood. Typically, the underside of the bolt head has a square cast-in pattern to hold the bolt in place while the nut is tightened. 
   Elevator Bolt       An elevator bolt has a flat, plain or countersunk head and a square neck that holds the bolt in place while the nut is tightened. Elevator bolts are used mainly with conveyor systems. 
   Flange Bolt       A flange bolt has a ridge or skirt (flange) around the bolt head that distributes the clamping load when the bolt is tightened. The flange works like a washer. Flange bolts are sometimes called frame bolts. 
   Hanger Bolt       Hanger bolts are used in a variety of applications. They have a wood screw thread on one end and a standard machine screw thread on the other. The center section between the two threads is unthreaded. 
   Hexagon Bolt / Tap Bolt       Hexagon bolts have a six-sided head and a body with a machine screw thread. A tap bolt is a fully-threaded hexagon bolt. 
   Lag Bolt       Lag bolts have a course-pitch, threaded body and a square or hexagonal head for driving with a wrench. Lag bolts are designed to fasten wood and similar materials. They produce their own screw thread when tightened. Lag bolts are also referred to as lag screws. 
   Machine Bolt       Machine bolts are fully-threaded, small-caliber bolts for joining metal parts. They are screwed into pre-threaded holes and can be fitted with a nut. Machine bolts are more commonly referred to as machine screws. 
   Plow Bolt       A plow bolt has a countersunk flat head, a square neck, and a unified thread pitch. 
   Sex Bolt       A sex bolt is a two-piece bolt assembly that consists of an externally-threaded machine screw and a mating, hollow, threaded nut with a head. 
   Shoulder Bolt       Shoulder bolts have an unthreaded shank that is long in comparison to its threaded portion, which is located under the head.  Shoulder bolts are used to locate one machine part to another, or as a plain bearing in places where rotary or sliding motion is required. Precision shoulder bolts are manufactured with varying diameter and shoulder-length tolerances.  Shoulder bolts are also called shoulder screws or stripper bolts. 
   Square Head Bolt       Square head bolts have a four-sided, square head and a body with a machine screw thread. 
   Structural Bolt       Structural bolts are used to connect framing of various types. There are many different types of structural bolts. 
   Stud Bolt       A stud bolt is a fully-threaded fastener used to hold two objects together. Stud bolts are used in conjunction with hex nuts on each end, while a stud is threaded, pressed or otherwise secured to an object on one end and a nut is used on the other. 
   T-Head Bolt       A T-head bolt has a flat, T-shaped head which either fits into a slot or can be gripped with a wrench for tightening. 
   Toggle Bolt       A toggle bolt typically has an expanding wing-type nut. The wings on the nut lay flat when pushed through the opening and expand when through the opening. Typically, toggle bolts are used to attach heavy objects to gypsum wallboards. 
   U-Bolt       U-bolts have threads on each end and can be bent into a semicircular U-shape or a shape with two right angles.  
   Other       Other, unlisted or proprietary bolt types. 
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Bolt Diameter
   Inch       
   Your choices are...         
   # 0000       # 0000 fasteners have an inner diameter of 0.021 in. 
   # 000       # 000 fasteners have an inner diameter of 0.034 in. 
   # 00       # 00 fasteners have an inner diameter of 0.047 in. 
   # 0       # 0 fasteners have an inner diameter of 0.060 in. 
   # 1       # 1 fasteners have an inner diameter of 0.073 in. 
   # 2       # 2 fasteners have an inner diameter of 0.086 in. 
   # 3       # 3 fasteners have an inner diameter of 0.099 in. 
   # 4       # 4 fasteners have an inner diameter of 0.112 in. 
   # 5       # 5 fasteners have an inner diameter of 0.125 in. 
   # 6       # 6 fasteners have an inner diameter of 0.138 in. 
   # 7       # 7 fasteners have an inner diameter of 0.151 in. 
   #  8       # 8 fasteners have an inner diameter of 0.164 in. 
   # 9       # 9 fasteners have an inner diameter of 0.177 in. 
   # 10       # 10 fasteners have an inner diameter of 0.190 in. 
   # 12       # 12 fasteners have an inner diameter of 0.216 in. 
   # 14       # 14 fasteners have an inner diameter of 0.242 in. 
   1/4"       1/4" fasteners have an inner diameter of .250 in. 
   # 16       # 16 fasteners have an inner diameter of 0.268 in. 
   # 18       # 18 fasteners have an inner diameter of 0.294 in. 
   5/16"       5/16" fasteners have an inner diameter of .3125 in. 
   # 20       # 20 fasteners have an inner diameter of 0.320 in. 
   # 24       # 24 fasteners have an inner diameter of 0.372 in. 
   3/8"       3/8" fasteners have an inner diameter of .375 in. 
   7/16"       7/16" fasteners have an inner diameter of .4375 in. 
   1/2"       1/2" fasteners have an inner diameter of .500 in. 
   5/8"       5/8" fasteners have an inner diameter of .625 in. 
   3/4"       3/4" fasteners have an inner diameter of .750 in. 
   7/8"       7/8" fasteners have an inner diameter of .875 in. 
   1"       1" fasteners have an inner diameter of 1.000 in. 
   1 1/8"       1 1/8" fasteners have an inner diameter of 1.125 in. 
   1 1/4"       1 1/4" fasteners have an inner diameter of 1.250 in. 
   1 3/8"       1 3/8" fasteners have an inner diameter of 1.375 in. 
   1 1/2"       1 1/2" fasteners have an inner diameter of 1.500 in. 
   1 3/4"       1 3/4" fasteners have an inner diameter of 1.750 in. 
   2"       2" fasteners have an inner diameter of 2.000 in. 
   2 1/4"       2 1/4" fasteners have an inner diameter of 2.250 in. 
   2 1/2"       2 1/2" fasteners have an inner diameter of 2.500 in. 
   2 3/4"       2 3/4" fasteners have an inner diameter of 2.750 in. 
   3"       3" fasteners have an inner diameter of 3.000 in. 
   Other       Other, unlisted inch sizes. 
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   Metric       
   Your choices are...         
   M1.6       M1.6 fasteners have an inner diameter of 1.6 mm. 
   M2       M2 fasteners have an inner diameter of 2.0 mm. 
   M2.5       M2.5 fasteners have an inner diameter of 2.5 mm. 
   M3       M3 fasteners have an inner diameter of 3.0 mm. 
   M3.5       M3.5 fasteners have an inner diameter of 3.5 mm. 
   M4       M4 fasteners have an inner diameter of 4.0 mm. 
   M5       M5 fasteners have an inner diameter of 5.0 mm. 
   M6       M6 fasteners have an inner diameter of 6.0 mm. 
   M8       M8 fasteners have an inner diameter of 8.0 mm. 
   M10       M10 fasteners have an inner diameter of 10.0 mm. 
   M12       M12 fasteners have an inner diameter of 12.0 mm. 
   M14       M14 fasteners have an inner diameter of 14 mm. 
   M16       M16 fasteners have an inner diameter of 16 mm. 
   M18       M18 fasteners have an inner diameter of 18 mm. 
   M20       M20 fasteners have an inner diameter of 20 mm. 
   M22       M22 fasteners have an inner diameter of 22 mm. 
   M24       M24 fasteners have an inner diameter of 24 mm. 
   M25       M25 fasteners have an inner diameter of 25 mm. 
   M26       M26 fasteners have an inner diameter of 26 mm. 
   M27       M27 fasteners have an inner diameter of 27 mm. 
   M28       M28 fasteners have an inner diameter of 28 mm. 
   M30       M30 fasteners have an inner diameter of 30 mm. 
   M32       M32 fasteners have an inner diameter of 32 mm. 
   M33       M33 fasteners have an inner diameter of 33 mm. 
   M35       M35 fasteners have an inner diameter of 35 mm. 
   M36       M36 fasteners have an inner diameter of 36 mm. 
   M38       M38 fasteners have an inner diameter of 38 mm. 
   M40       M40 fasteners have an inner diameter of 40 mm. 
   M42       M42 fasteners have an inner diameter of 42 mm. 
   M48       M48 fasteners have an inner diameter of 48 mm. 
   M56       M56 fasteners have an inner diameter of 56 mm. 
   M64       M64 fasteners have an inner diameter of 64 mm. 
   Other       Other, unlisted metric sizes. 
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Length
   Length       The length of the fastener. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Material
   Material       
   Your choices are...         
   Aluminum       Aluminum is a bluish, silver-white, malleable, ductile, light, trivalent, metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.  Aluminum is lighter than steel, but not as strong. 
   Brass       Brass provides good strength, excellent high-temperature ductility, reasonable cold ductility, good conductivity, excellent corrosion resistance, good bearing properties and low magnetic permeability. 
   Bronze / Copper Base Alloy       A copper base alloy is metal composed of copper as the main alloying metal and one or more other metals, such as tin, zinc, or phosphorus.  Silicon bronze is one typical fastener alloy. 
   Copper       Copper is a common, reddish, metallic element that is both ductile and malleable. Copper is one of the best conductors of heat and electricity. It also exhibits good corrosion resistance. 
   Molybdenum       Molybdenum is a chemical element with the symbol Mo and an atomic number of 42.  Molybdenum has a very high melting point (the sixth highest of any element) and is commonly used in high-strength steel alloys. 
   Plastic       Products are made of thermoplastic materials. 
   Steel       Steel is a commercial iron that contains carbon in any amount up to about 1.7 percent as an essential alloying constituent. Many grades of carbon and alloy steels are used as fastener materials. Steel may require coating for protection against corrosion. 
   Hardened Steel       Steel can be hardened in a number of ways. Methods include quenching techniques in oil and water, and passing the steel through induction chambers. During processing, the rapid cooling of steel freezes, traps and packs the carbon atoms inside the shrunken iron crystals. The resulting steel is very hard and brittle. Hardened steel is strong, but cannot absorb much shock or impact without breaking. 
   Stainless Steel       Stainless steel is chemical and corrosion resistant and can have relatively high stress ratings. Many grades are used in fasteners. Often, stainless steel does not require an anti-corrosion coating; however, most stainless steels cannot be hardened to the same degree as carbon steels. 
   Superalloy       Superalloys are high-performance alloys that exhibit the following features: mechanical strength, good surface stability, resistance to corrosion and oxidation, and resistance to creep at high temperatures.  Common superalloys include Hastelloy®, Inconel®, Incoloy®, and Monel®. The attributes of Hastelloy® alloys include high resistance to uniform attack and localized corrosion resistance. It also provides stress corrosion cracking resistance, and ease of welding and fabrication. Hastelloy is a registered trademark of Haynes International, Inc. Inconel® and Incoloy® (Special Metals Corporation) provide good strength and excellent resistance to oxidation and carbonization in high temperatures environments, and in many aqueous environments. These proprietary materials are used in process piping, heat exchangers, heating element sheathing and nuclear steam generator tubing. Typically, Inconel and Incoloy are used at service temperatures below 650° C (1200° F). Monel® (Special Metals Corporation) is a proprietary, high-strength alloy that offers resistance to a range of corrosive media, including seawater, hydrofluoric and sulfuric acids, and alkalis.  
   Titanium       Titanium is a hard, lustrous, silvery element that is relatively abundant in the Earth's crust. It is valued for its lightness, strength, and corrosion resistance.  Titanium is used widely in the aerospace industry and in medical products such as replacement joints. When alloyed with other metals, especially steel, titanium adds strength and oxidation resistance. 
   Exotic Metals       Exotic metals and alloys have specialized properties. This category includes materials such as Hastelloy®, Monel®, beryllium copper, beryllium nickel, niobium, tantalum, titanium, and zirconium. 
   Other       Other unlisted, specialized, or proprietary metallic materials. 
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Fastener Standards
   Fastener Standards       
   Your choices are...         
   AIA / NAS       Dimensional and material standards for aircraft fasteners are developed by the Aerospace Industries Association (AIA) and/or its National Aerospace Standards Committee (NASC). All drawings and specifications have a NAS or NASM prefix. NAS is an acronym for National Aerospace Standards. NASM is an acronym for National Aerospace Standards, Metric. 
   AN / MS       Dimensional standards for aircraft fasteners are developed by the Aeronautical Standards Group. All drawings have a prefix of AN or MS. Products are suitable for army, navy, or air force use.  
   ASME / ANSI       The American Society of Mechanical Engineers (ASME) B18 standard specifies all ASME B18 fastener products with a single 18-digit PIN code system. Approved by the American National Standards Institute (ANSI) and adopted by the U.S. Department of Defense, the ASME B18.24 PIN system is a self-contained code that covers 788 unique B18 fastener types from 72 ASME B18 source documents. The PIN code system is fully parametric, uniform across all fastener types, and is intended as a digital alternative to the traditional plain text fastener product callout prescribed in the "Designation" or "Ordering" section of the applicable source document. 
   BS       Dimensional and material standards developed by the British Standards Institution.  Standards are designated with a BS prefix.  The British Standards International (BSI) Kitemark indicates that products are tested regularly against the requirements of an appropriate BSI standard, and that the manufacturer's quality system is assessed at least twice a year to ensure continued quality production.  
   DIN       DIN is an acronym for Deutsches Institut für Normung (DIN), a German national organization for standardization. Most metric fasteners are manufactured according to DIN standards. Although DIN predates the International Standards Organizations (ISO), DIN standards are being revised to more closely match ISO standards. Ordering DIN fasteners requires three pieces of information: the DIN identifier, which defines the style of the fastener; the material (e.g., 8.8 Steel, 316 Stainless, Hastelloy C276); and the coating or plating (if any). 
   ISO       The International Standards Organization (ISO) is a worldwide federation of national standards organizations from over 100 countries. ISO's mission is to facilitate the international exchange of goods and services, and to foster cooperation in the spheres of intellectual, technological, and economic activity. ISO standards for metric fasteners are gaining recognition rapidly. They will probably become global standards. 
   JIS       Japanese Industrial Standard (JIS) is largely based on DIN; however, some standards have been modified to meet the needs of the Japanese market. Most of the fasteners used in electronic equipment manufactured in Japan comply with the JIS standard. 
   SAE       Fasteners meet standards developed by the Society of Automotive Engineers (SAE), a worldwide organization that establishes industry standards for the testing, measurement, and design of automobiles and their components. 
   Other       Other unlisted, specialized, or proprietary fastener standards. 
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