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Nuts (fasteners)

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Published: 30 November 2018
Fig. 20 Examples of joints using threaded fasteners. (a) Bolt and nut. (b) Screw and internally threaded hole. (c) Stud, nut, and internally threaded hole More
Image
Published: 01 November 1995
Fig. 3 Mechanical fastening with bolts, nuts, and washers More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
...-corrosion cracking, hydrogen embrittlement, and liquid-metal embrittlement of bolts and nuts. The article explains the most commonly used protective metal coatings for ferrous metal fasteners. Zinc, cadmium, and aluminum are commonly used for such coatings. The article also illustrates the performance...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001018
EISBN: 978-1-62708-161-0
... Abstract This article discusses the properties of threaded fasteners made from carbon and low-alloy steels containing a maximum of 0.55% carbon. It provides guidelines for the selection of steels for bolts, studs, and nuts intended for use at temperatures between -50 and 370 deg C. The article...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... and fuel leaks around the fastener Fretting Load-carrying capacity has been significantly improved by increasing the head diameter of fasteners in order to distribute loads over a greater surface area. The bases of nuts and collars were similarly increased. Fasteners for composites should fit...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006501
EISBN: 978-1-62708-207-5
... into a suitable recess, such as with anchor bolts or rivet bushing (stake nut) fasteners ( Fig. 9 ). Fig. 9 Internally threaded rivet bushing (stake nut) joined to mating stamped sheet metal part Tube Flanging Tube flanging joins together a tube or partially hollow component with a mating part...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003323
EISBN: 978-1-62708-176-4
... or with a breakaway audit of the tightened fastener. This procedure assumes that the relationship between torque and tension is known, such that, for example, the nut factor, or K , from the simple equation T = KDF (where T is torque, D is diameter, and F is clamping force) is established and known to have...
Image
Published: 01 January 2005
experiencing the combined effects of a retaining rope, seawater, and sand. The pointed end of the bolt was related to galvanic corrosion effects between the bolt (anode) and the surrounding stainless steel nut (cathode). Control: The fastener was not designed for the particular purpose, and the dissimilar More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
... screws or bolts, nuts and washers, molded-in threads, self-threading screws, rivets, spring-steel fasteners, press fits, and snap fits. The article explains solvent bonding used for thermoplastic parts, and tabulates the solvent types used with various plastics. It also describes the surface preparation...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003427
EISBN: 978-1-62708-195-5
... heads (as well as nuts and collars) should be designed with as much bearing surface area as practicable. The 130° reduced-height shear head originated during development of a suitable blind fastener specifically designed for composite structures and introduced to the industry in 1980 ( Ref 1...
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Published: 01 January 1994
Fig. 5 Torque-tension test results for H-11, 22-4-22 threaded fasteners and alloy steel FN22 locknuts, coated with ion vapor deposited (IVD) aluminum or cadmium. ○, bolt and nut with IVD aluminum and cetyl alcohol; ●, bolt with cadmium and nut with cadmium; Δ, bolt with IVD aluminum and nut More
Image
Published: 01 January 2000
Fig. 35 Thread-stripping areas in bolted assemblies. P , pitch; L e , effective grip length of the fastener; d 2 , bolt pitch diameter; d 3 , bolt root diameter; D 2 , nut pitch diameter; D 3 , nut root diameter More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
... in bending and containing semi-elliptical cracks ( Ref 51 ), and surface-cracked shafts in bending with shoulder fillets ( Ref 63 ). Fasteners The growth of a fatigue crack in a bolt of a bolt-nut combination has been modeled using finite element analysis and fracture mechanics ( Ref 64 ). Stress...
Image
Published: 31 October 2011
Fig. 5 Schematic illustration of some general mechanical fastening methods and fasteners, including (a) nail in wood, (b) metal pin (with locking Cotter pin) in metal, (c) upset rivet in metal, (d) self-tapping screw in wood, (e) nut and bolt in metal, (f) mating eyelets and grommets (commonly More
Image
Published: 01 January 2005
Fig. 17 The obvious bleed of rust from a carbon steel nut used in an otherwise galvanized steel structure is the result of careless selection by a fitter. The inspector or supervisor missed the error; the rust is not apparent until time (weeks to months) allows the steel to corrode. Control More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001322
EISBN: 978-1-62708-170-2
... substrate corrosion control performance when applied to threaded fasteners, connectors, and general hardware ( Ref 2 , 3 ). The technical performance benefits and limitations associated with cadmium coatings are well established. However, over the past decade, environmental and worker health...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004004
EISBN: 978-1-62708-185-6
..., such as screws, bolts, nuts, rivets, and specialized fasteners. Cold heading is used to produce automotive components, such as gear blanks, ball studs, piston pins, sparkplug shells, valve spring retainers, engine poppet valves (intake and exhaust), and transmission shafts. The bearing industry uses cold heading...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004139
EISBN: 978-1-62708-184-9
... to constant saltwater soaking. These items should be of noncorrosive materials, such as stainless steels and Delrin. The bow roller should be checked periodically for wear and corrosion of the roller shaft, and all through-deck fastenings should be inspected periodically for corrosion and/or loose nuts...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005551
EISBN: 978-1-62708-174-0
... Schematic illustration of some general mechanical fastening methods and fasteners, including (a) nail in wood, (b) metal pin (with locking Cotter pin) in metal, (c) upset rivet in metal, (d) self-tapping screw in wood, (e) nut and bolt in metal, (f) mating eyelets and grommets (commonly known as snaps...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003428
EISBN: 978-1-62708-195-5
... Brush Sealing Brush sealing is used to overcoat the collar, buck rivet tail, or other nut element of the installed fastener ( Fig. 7 ). This process uses a lower-viscosity material and short assembly times. Detackifier may be used over the brushable sealant. This process is used in pressure areas...