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Types of Bolts and Nuts

Bolts and nuts in a variety of types and sizes are necessary for anything from machinery to construction equipment to automobiles. From screws and washers to fasteners and rivets, these supplies are available at home improvement stores or online. Buy in bulk from wholesalers to get lots of supplies, like hex bolts and anchors, at once. They come in many different durable materials, such as stainless steel, chrome, aluminum, and brass, used in conjunction with wood or cables. Check out these top terms for bolts and nuts.

  • Screw Threads – Helical structures that switch between rotational and linear movement. The ridge wraps around a helix shaped cylinder or cone, called a straight thread and tapered thread, respectively.
  • U bolts – Metal fixings that resemble the letter U in shape, featuring a pin or screw bolt closure that ensures a closed clamp.
  • Lock Nuts – A type of nut that fits into a piece of pipe and screws onto another pipe, joining the two.
  • Carriage Bolts – Large bolts featuring a round head, used in applying wooden panels.
  • Lag Bolts – Driven in with a wrench, these heavy woodscrews feature a square or hexagonal head.
  • Cap Screws – Threaded screws that fasten and join parts in construction and machine design, secured with screw threads.
  • Flange – A rim or collar that juts out on a wheel or pipe, with the main purpose of strengthening an object in place or to another object.
  • Rivets – Metal bolts or pins that hold two metal plates together. They are inserted through aligned holes and hammered on one end to make a second head.
  • Eye bolts – Used to attach cables, eye bolts are screws with a loop on one end and threads on the other.
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    Fiesta Nugra
    N/A, Arlington, VA 22204
    Contact Fiesta Nugra in Arlington, VA, for nutritious nuts and grains. (202) 352-0166 nuts, arlington, va
    (202) 352-0166
    Big Bolt Nut
    3719 Nelm Street, Leesburg, VA 20176
    We are specialist manufacturers for stainless steel Hex bolts, nuts, Stud bolts and washers which are used in water treatment, sewage treatment, waste water treatment and desalination plants.
    (981) 598-9856
    Automated Fastening Systems
    5700 Sunnyside Ave Ste F, Beltsville, MD 20705
    (301) 507-6200
    Posner Industries
    8641 Edgeworth Dr, Capitol Heights, MD 20743
    (301) 350-1000
    Posner Industries
    4003 Westfax Dr, Chantilly, VA 20151
    (703) 631-3313
    Potomac Steel & Supply Inc
    7801 Loisdale Rd, Springfield, VA 22150
    (703) 550-7300
    Posner Industries
    4600 Wedgewood Blvd Ste J, Frederick, MD 21703
    (301) 668-4450
    Revcar Fasteners Inc
    4613 Wedgewood Blvd, Frederick, MD 21703
    (301) 682-6903
    Gem Specialties Inc
    5830 Kirby Rd, Clinton, MD 20735
    (301) 297-8700
    British Metrics
    150 Airport Dr Unit 6, Westminster, MD 21157
    (410) 857-3990
    L A Benson Company Inc
    1801 E Fayette St, Baltimore, MD 21231
    (410) 342-9225
    Hillcrest Fasteners
    370 Mcglaughlin Rd, Gettysburg, PA 17325
    (717) 642-6181
    Posner Industries
    44180 Airport View Dr Ste 1, Hollywood, MD 20636
    (301) 373-6390
    Totally Stainless
    1945 Heidlersburg Rd, Aspers, PA 17304
    (717) 677-8811
    Gaumer Industries
    150 Derbyshire St, Chambersburg, PA 17201
    (717) 263-1882

    Nuts and bolts come in a variety of types and sizes. Other fasteners such as screws and rivets are often sold alongside them. Fasteners also include washers and other plumbing supplies. Most are made of metal. Wooden pegs are used by carpenters and in constructing all wood buildings. Plastic screws may sometimes be used. The metals used are most often stainless steel, aluminum or brass. Chrome plating is sometimes used when a fastener is highly visible. Nuts are generally tightened onto their bolts using a socket wrench. Some may be hand tightened. This type of nut generally has wings. The most common kind of nut is the hex nut, with a six sided shape. Square nuts are also found, as are ones with flanges. Cap nuts have domed tops, and are sometimes used for appearance. Although nuts are sometimes hand tightened, tools are generally used to provide extra torque and secure them more thoroughly. There are also various kinds of bolts including eye bolts and anchor bolts. Most bolts have a 'male' thread, with the thread on the outside. Rarely a 'female' thread, on the inside of the bolt, is used in conjunction with a second bolt or screw. Eye bolts are often used to run rope for lifting items. Nuts and bolts are generally intended for purposes where the fastener needs to be relatively easily undone. Permanent fastening is generally done with rivets. It is also possible to lock a nut to a bolt by various means, some of which are permanent. Nuts and bolts may be measured in Imperial or metric sizes. Some are made for very specific purposes, such as connecting rod bolts found in car engines. Carriage bolts and lag bolts are generally used to secure wood. Most nuts, bolts and fasteners are machine made.
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