Self-sealing Fasteners Specifications

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Threaded Fasteners

	Type
	Your choices are...
	Screw / Bolt		A screw is a wide-encompassing type of hardware fastener that attributes its mechanical capabilities to the helical groove that extends around the circumference of the device's shank. These threads provide the friction and traction that serves a screw's purpose: to assemble or position two workpieces in relation to each other. While used synonymously, screws and bolts are not mechanical clones.
	Nut		Nuts are a type of hardware fastener with a tapped inner diameter. They are used with a mating threaded bolt or rod to secure components. There are many sizes and varieties of nuts; each with a fastening purpose.
	Rivet		Rivets are headed pins with a point that passes through two pieces of material. Beating or pressing down the point causes it to spread out and form a second head. Rivets can be used to connect two plates or pieces of material together.
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	Fastener Head Style
	Your choices are...
	Pan Head		A style of machine screw head.
	Hex Head		A style of screw or bolt head that has six flat vertical sides for driving.
	Fillister Head		Fillister head screws are similar to pan heads except the top corners are not rounded.
	Flat Head		A flat head screw has a head that lays flush with the surface.
	Socket Cap Head		A socket cap screw provides for an Allen wrench drive.
	Oversized Head		Some styles of screw and bolt heads are made oversized.
	Tamper Proof		Tamper-proof screws cannot be loosened once driven in, although they can be tightened.
	Other		Other unlisted, specialized, or proprietary head styles.
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	Drive
	Your choices are...
	Slotted		Slotted heads have a straight groove that cuts across the diameter of the head. They use a standard blade screwdriver.
	Philips		A type of driving slot used in screws. The design is shaped like a "+" sign.
	Allen		An Allen head screw has a hexagonal shaped hole in which you place a matching wrench.
	Special Six Lobe Head / Torx®		Special six lobe or Torx® drive head is similar to a Phillips head except it has six points instead of four.  Torx® is a registered trademark of CAMCAR/TEXTRON Inc.
	Other		Other unlisted, specialized or proprietary drive types.
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	English Size
	Your choices are...
	2		The number size screw - 2
	3		The number size screw - 3
	4		The number size screw - 4
	5		The number size screw - 5
	6		The number size screw - 6
	8		The number size screw - 8
	10		The number size screw - 10
	12		The number size screw - 12
	1/4"		Fractional size screw or bolt - 1/4 inch.
	5/16"		Fractional size screw or bolt - 5/16 inch.
	3/8"		Fractional size screw or bolt - 3/8 inch.
	7/16"		Fractional size screw or bolt - 7/16 inch.
	1/2"		Fractional size screw or bolt - 1/2 inch.
	9/16"		Fractional size screw or bolt - 9/16 inch.
	5/8"		Fractional size screw or bolt - 5/8 inch.
	3/4"		Fractional size screw or bolt - 3/4 inch.
	7/8"		Fractional size screw or bolt - 7/8 inch.
	1"		Fractional size screw or bolt - 1 inch.
	Other		Other unlisted, specialized, or proprietary English sizes.
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	Metric Size
	Your choices are...
	M2		Metric screws and nuts for size - M2.
	M2.5		Metric screws and nuts for size - M2.5.
	M3		Metric screws and nuts for size - M3.
	M3.5		Metric screws and nuts for size - M3.5.
	M4		Metric screws and nuts for size - M4.
	M5		Metric screws and nuts for size - M5.
	M6		Metric screws and nuts for size - M6.
	M8		Metric screws and nuts for size - M8.
	M10		Metric screws and nuts for size - M10.
	M12		Metric screws and nuts for size - M12.
	M14		Metric screws and nuts for size - M14.
	M16		Metric screws and nuts for size - M16.
	M18		Metric screws and nuts for size - M18.
	M20		Metric screws and nuts for size - M20.
	M22		Metric screws and nuts for size - M22.
	M24		Metric screws and nuts for size - M24.
	M27		Metric screws and nuts for size - M27.
	M30		Metric screws and nuts for size - M30.
	Other		Other unlisted, specialized, or proprietary metric sizes.
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Rivets

	Rivet Head Types
	Your choices are...
	Round Head		The rivet has a round head.
	Flat Head		The rivet has a flat head with angles sides and matches flush with work surface.
	Other		Other unlisted, specialized, or proprietary rivet heads.
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	Hole Diameter
	Your choices are...
	3/32		The diameter of the hole the rivet is designed to fit - 3/32.
	1/8		The diameter of the hole the rivet is designed to fit - 1/8.
	5/32		The diameter of the hole the rivet is designed to fit - 5/32.
	3/16		The diameter of the hole the rivet is designed to fit - 3/16.
	1/4		The diameter of the hole the rivet is designed to fit 1/4.
	5/16		The diameter of the hole the rivet is designed to fit - 5/16.
	3/8		The diameter of the hole the rivet is designed to fit - 3/8.
	Other		Other unlisted, specialized, or proprietary rivet hole diameters.
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Materials

	Fastener Materials
	Your choices are...
	Aluminum		A bluish silver-white malleable ductile light trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.
	Alloy Steel		Alloy steels are combinations of carbon steel and other steels in low concentrations such as manganese, chromium.
	Brass		Brass comes with good strength, excellent high temperature ductility and reasonable cold ductility, good conductivity, excellent corrosion resistance, good bearing properties and low magnetic permeability.
	Bronze		Bronze is an alloy of copper and tin and sometimes other elements; also it can be any copper-base alloy containing other elements in place of tin.
	Carbon Steel		A commercial iron that contains carbon in any amount up to about 1.7 percent as an essential alloying constituent. It is malleable when under suitable conditions, and is distinguished from cast iron by its malleability and lower carbon content.
	Hastelloy®		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®		It is a metal alloy made up of approximately 76% Nickel, 17% Chromium, and 7% Iron. There are other alloy combinations but they all have the same characteristics. Their primary use is for applications where extreme heat and strength are required such as aircraft jet engines.  Inconel is a registered trademark of the Special Metals Corporation.
	Molybdenum		Molybdenum is silvery white, very hard, but is softer and more ductile than tungsten. It is a valuable alloying agent, as it contributes to the hardenability and toughness of quenched and tempered steels. It also improves the strength of steel at high temperatures.
	Stainless Steel		Stainless steel is chemical and corrosion resistant and can have relatively high pressure ratings.
	Plastic		Plastic used here is a generic term to cover such materials as nylon, polypropylene, and other types of plastics.
	Teflon®		Polytetrafluoroethylene (PTFE) is an insoluble compound that exhibits a high degree of chemical resistance and a low coefficient of friction. It is sometimes marketed in proprietary classes of materials such as Teflon®, a registered trademark of DuPont Dow Elastomers.
	Other		Other unlisted, specialized, or proprietary body materials.
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	Sealing Materials
	Your choices are...
	AFLAS™		Highly fluorinated, carbon backboned polymers used in applications to resist harsh chemical and ozone attack with a good thermal stability. AFLAS™ offers low compression set and excellent aging characteristics. Suggested operating temperature (-10° to 300° F). AFLAS is a trademark of the Asahi Glass Co., Ltd.
	Buna-N		Good resistance to petroleum hydrocarbons and fuels. Widely used with most oils, hydraulic fluids, and alcohol. Many compound variations are available for specific applications. Suggested operating temperature (-30° to 275° F). Trade names include Breon® (BP Chemicals), Chemigum® (Goodyear), Hycar® (B F Goodrich), Krynac® (Polysar Ltd.), Nipol® (Zeon Chemicals), Nysyn® NBR, (DSM Elastomers), Paracril® (Uniroyal Chemical), and Perbunan® (Mobay).
	Butyl		Butyl is a common term used for the isobutylene isoprene elastomer. It is known for its resistance to water, steam, alkalis, and oxygenated solvents. It has low gas permeation and is capable of providing high-energy absorption (dampening) and good hot tear strength. Suggested operating temperature (-75° to 250° F).
	Ethylene Propylene		Ethylene propylene (EPDM) offers good resistance to sunlight, weathering and ozone. It has poor resistance to petroleum oils and fuel. Good heat and compression set resistance. Suggested operating temperature (-70° to 275° F). Trade names include Nordel® (DuPont Dow Elastomers), Vistalon® (Exxon Mobil Chemical), Epsyn® (DSM Elastomers), Royalene® (Uniroyal Chemical), and Epcar® (B.F. Goodrich).
	Fluorosilicone (FVMQ, FMQ, FPM, FSI)		The mechanical and physical properties are very similar to silicone. However, fluorosilicone offers improved fuel and mineral oil resistance but poor hot-air resistance in comparison. Suggested operating temperature (-100° to 350° F). Trade names include FSE® (General Electric Co.), Silastic® (Dow Chemical), and Sylon® (3M Corporation).
	Kalrez®		High temperature and chemical resistance. Low compression set. Retains its elasticity and recovery properties better than other high temperature elastomers. Suggested operating temperature (-40° to 600° F). Kalrez® is a registered trademark of DuPont Dow Elastomers.
	Neoprene		A synthetic rubber that resists degradation from sun, ozone, and weather. It performs well in contact with oils and many chemicals. Neoprene remains useful over a wide temperature range, displays outstanding physical toughness, and resists burning inherently better than exclusively hydrocarbon rubbers. Neoprene also offers resistance to damage caused by flexing and twisting. Suggested operating temperature (-45° to 230° F). DuPont Dow originally engineered neoprene.
	Nitrile		Good resistance to petroleum hydrocarbons and fuels. Widely used with most oils, hydraulic fluids, and alcohol. Many compound variations are available for specific applications. Suggested operating temperature (-30° to 275° F). Trade names include Breon® (BP Chemicals), Chemigum® (Goodyear), Hycar® (B F Goodrich), Krynac® (Polysar Ltd.), Nipol® (Zeon Chemicals), Nysyn® NBR, (DSM Elastomers), Paracril® (Uniroyal Chemical), and Perbunan® (Mobay).
	Polysulphide		Polyphenylene sulfide (PPS) is a heat resistant crystalline polymer with simple chemical construction. This polymer has a high melting point of about 280o C, outstanding chemical resistance and is non-burning without any flame retardant chemicals. Brand names include: Fortron® (Hoechst Celanese), Lubricomp® (LNP), Ryton® (Phillips), Supec® (GE).
	Polyurethane		Polyurethane is a diverse class of materials exhibiting good elongation, recovery and toughness properties. They are flexible and have good abrasion resistance. (NOTE: The urethanes of the plastics industry are so named because the repeating units of their structures resemble the chemical urethane.) Trade names include Texin® (Bayer), Adiprene® and Vibrathane® (Uniroyal Chemical), Estane® (B F Goodrich), Genthane® (General Tire and Rubber), Millathane®, and Pellethane® (Dow Chemical).
	Silicone Rubber		Silicones are polymers in which organics groups, such as methyl and phenyl groups are bonded to the silicone atoms in chains of inorganic siloxanes (Si-O-Si). Their properties include heat, cold and weather resistance, electrical insulation, release, water repellency and defoaming.
	PTFE - Teflon®		Polytetrafluoroethylene (PTFE) is an insoluble compound that exhibits a high degree of chemical resistance and a low coefficient of friction. It is sometimes marketed in proprietary classes of materials such as Teflon®, a registered trademark of DuPont Dow Elastomers.
	Viton®		A range of fluoropolymer elastomers whose formulation can be tailored to a reasonable extent to meet the needs of individual end-uses. They are normally black and have high heat, oil and chemical resistance but indifferent low temperature performance. With the exception of Kalrez® (Dow DuPont Elastomers) perfluorinated elastomer, they are about the most highly temperature resistant of all commercially available elastomers. Viton® is a registered trademark of DuPont Dow Elastomers.
	Other		Other unlisted, specialized, or proprietary sealing materials.
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Coatings or Finishes

	Your choices are...
	Anodizing		A process to produce an oxide film or coating on metals and alloys by electrolysis. The metal to be treated is made the anode in an electrolytic cell and its surface is electrochemically oxidized. Anodization can improve certain surface properties, such as corrosion resistance, abrasion resistance, hardness, appearance, etc.
	Black Oxide		Black oxide is a temporary coating used to retard corrosion while the part is in storage.
	Bright Nickel		An electroplating process to produce a bright, corrosion resistant finish to the surface of metals or plastics.
	Cadmium Plating		An electroplating process used to protect iron and steel that produces a bright, ductile finish.
	Chromium Plating		An electroplating process that deposits varying amounts of chromium on a surface. When used for commercial purposes it is called "hard chrome plating". For non-commercial uses it is combined with amounts of nickel, which is applied to the work surface prior to chrome plating.
	Copper Plating		Copper plating is an electrodeposit process where copper is deposited on the surface of a metal. There are a large number of methods to electrodeposit copper.
	Chromate Finish		Chromating is a chemical process where the treated surface is modified to accept other coatings. Typically chromating is done on aluminum and zinc.
	Dull Nickel		Dull nickel is deposited by electroplating. Unlike bright nickel, which is hard, dull nickel is soft and ductile like copper and tarnishes slowly. It is good against corrosion.
	Passivation		Passivation is the process of removing iron and other iron compounds from the surface of stainless steel without affecting the qualities of the stainless steel. This allows the treated surface to form a thin, protective oxide layer that resists corrosion.
	Silver Plating		Silver is electroplated onto other metals such as copper or zinc. This process helps to protect these metals from corrosion and increases their electrical and thermal conductivities.
	Zinc Plating		Zinc is electrodeposited on metal surfaces to provide a good, corrosion resistant finish that is also attractive like chrome.
	Other		Other unlisted, specialized, or proprietary coatings or finishes.
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