Custom Nuts & Washers
Emcor Fasteners manufactures a broad selection of custom nuts and washers that meet various applications and market needs. If an application requires a custom nut, Emcor Fasteners can deliver with our variety of design options.
TYPES OF NUTS AVAILABLE
Our expert team has the knowledge, skills, and equipment needed to manufacture a variety of custom-tailored nuts in low to high production volumes. The types of custom nuts we offer are:
- Two-way: Reversible
- Anchor: Best for applications where access to one side of a structure is limited
- Cap: Domed end on one side
- Castle: Castellated with slots cut into one end
- Conical: Tapered
- Coupling: Threaded to join two male threads
- Finished hex: Six-sided to ensure bolt stays in place
- Flex lock: Resist impact and shock
- Heavy hex: Larger and thicker for large-diameter bolts
- Hex flange: Wide flange on one end to distribute pressure
- Hex jam: Thinner with flat corners
- Keps: Free-spinning washer attached for easier assembly
- Nylon insert: Inner-diameter insert to resist turning
- Nylon patch: Nylon covering in inner diameter for increased grip
- Nylon pellet: Uses smaller nylon insert to provide seal
- Semi-finished hex: Six-sided nut with only the thread and bearing surface machined
- Serrated hex flange: Non-spinning washers attached at bottom
- Slotted hex: Six-sided with locking mechanism slots
- Square: Four-sided nuts with greater resistance to loosening
- Thumb: Knurled outside surface for easier manual tightening
- Top lock: Deformed top thread section acting as locking “zone”
- Wing: Contains two metal wings for easier manual tightening
All of these can be manufactured to English, British, or metric sizing standards and a wide range of industry standards, including DIN, ANSI, IFI, ISO, JIS, SAE, and ASTM.
CUSTOM NUTS – MATERIALS AND FINISHES
Material selection for your component is important, as different physical and chemical characteristics can improve the performance of your application greatly. Please select the right material to ensure your part meets the requirements and restrictions of the application.
The materials we offer for our custom nut solutions are:
SPECIFICATIONS
- Alloy steels
- Aluminum
- Beryllium
- Brass
- Silicone bronze
- Carbon steel
- Magnesium
- Molybdenum
- Monel
- Inconel
- Nickel
- Stainless steel
- Tin
- Titanium
- Various plastics
- Nylon
In addition to our manufacturing capabilities, we also offer treatment and finishing services to facilitate the delivery of a strong and durable nut. For example, we provide heat treatment to enhance the nut’s hardness and a range of finishes-from automotive and black oxide to silver and zinc plating-to improve the nut’s functional and aesthetic qualities.
COMMON INDUSTRIAL APPLICATIONS
Our custom nuts find use across a diverse set of industries. Some of the most common industrial applications for our custom nuts include:
- Boilers
- Bridges
- Construction machinery
- Engineered plumbing
- Engines
- Hydraulics
- Impellers
- Jewelry
- Machine tools
- Water treatment plants
Similar to our custom nuts, our custom washers are available in a variety of materials with different finishes and standards compliances to suit various customer needs.
TYPES OF WASHERS AVAILABLE
The types of washers we custom manufacture are:
USS Flat Washers
Helical Spring Lock Washers
SAE Flat Washers
Structural Washers
Metric Lock Washers
Metric Flat Washers
Beveled Washers
- Beveled: Angled for structural applications
- Flange: Raised inside diameter
- Flat: Used to increase the bearing surface of a nut or fastener’s head
- Hardened: Provide tightness to joints and distribute pressure
- Lock: Prevents nuts from turning and slipping
- Beveled: Angled for structural applications
- Flange: Raised inside diameter
- Flat: Used to increase the bearing surface of a nut or fastener’s head
- Hardened: Provide tightness to joints and distribute pressure
- Lock: Prevents nuts from turning and slipping
Emcor Fasteners: YOUR SOURCE FOR QUALITY FASTENERS
Emcor Fasteners manufactures a wide range of standard nuts and washers to accommodate various industrial applications. However, when an off-the-shelf product does not meet the unique specifications of an application, we offer custom-tailored fastener solutions. For additional information on the types of fasteners we have available, visit our complete guide on fasteners. To learn more about our custom nuts and washers or partner with us for your fastener needs, contact us or request a quote today.
SPECIFICATIONS
| Category | Details |
|---|---|
| Industry Focus | Agricultural, Automotive, Construction, Electronics, Food Processing, Heavy Machinery, Marine, Mining, Nuclear, Oil, Gas, Petroleum, Energy, Medical, Transportation |
| Intended Application | Boilers, Bridges, Construction Machinery, Engineered Plumbing, Engines, Hydraulics, Impellers, Jewelry, Machine Tools, Water Treatment Plants |
| Materials (Metals) | Alloy Steels, Aluminum, Beryllium, Brass, Silicone Bronze, Carbon Steel, Magnesium, Molybdenum, Monel, Inconel, Nickel, Stainless Steel, Tin, Titanium |
| Materials (Plastic Polymers) | Various Plastics, Nylon |
| Standard | British, English, Metric |
| Hardening Specification | Heat Treated to any custom Specification |
| Fastener Types | Dowels & Pins, Hose Couplings, Nails, Rivets, Screws, Shackles, Shaft Couplings, Studs |
| Bolt Types | Anchor, Bent, Eye, Hook, J, U, Carriage, Countersunk, Elevator, Lag, T-Handle, T-Slot, Flange, Plug, Bent, Plow |
| Bolt & Screw Head Types | Binding, Button, Fillister, Flat, Flat Undercut, Headless, Hexagon, Indented Hexagon, One-Way, Oval, Pan, Pentagon, Phillips, Round, Shoulder, Square Shoulder, Socket, Trimmed Hex, Truss, 12-Point |
| Thread Types | ACME, Drywall, Machine, Self-Tapping, Self-Drilling Drive Screws, Self-Drilling, Type 17, Type 23, Type 25, Type AB, Type B, Wood, UNC, UNF |
| Grades | 2, 5, 8, 8.8, 10.9, 12.9 |
| Bolt & Screw Drive Types | Combination, Hex/Hexagonal, Phillips, Six Lobe, Slotted, Socket, Square, Tamper Resistant, Torx |
| Nut Types | 2-Way, Anchor, Cap, Castle, Conical, Coupling, Finished Hex, Flex Lock, Heavy Hex, Hex Flange, Hex Jam, Keps, Nylon Insert, Nylon Patch, Nylon Pellet, Semi-Finished Hex, Serrated Hex Flange, Slotted Hex, Square, Thumb, Top Lock, Wing |
| Finish | Automotive, Black Oxide, Brass Plated, Cadmium, Chrome, Chrome Plated, Color Coated, Galvanized, Nickel Plated, Phosphate, Polished, PTFE, Silver Plated, Zinc Plated |
| Industry Standards | ANSI – American National Standards Institute (e.g., ANSI B 18.2.4 M), DIN 934, DIN 970, ISO – International Organization for Standardization (e.g., ISO 4032, ISO 4033), UTS – Unified Thread Standard (e.g., UNC, UNF, UNEF, UNS, NPT, NPTF) |
| Production Volume | Min: 60, Max: Several Million units |
| File Formats | AutoCAD (DWG/DXF), BMP – Bit Mapped Graphics, Catia (CATDrawing, CATPart), Delcam (DGK, DMT), DXF – Drawing Interchange Format, GIF – Graphics Interchange Format, IGES – Initial Graphics Exchange Specification, Inventor (IDW, IPT), IronCAD (ICD/ICS), JPG or JPEG – Joint Photographic Experts Group, MasterCam (MDX, MC8, MC9, SET), PDF – Portable Document Format, Pro-E or Pro/Engineer (DRW, PRT, XPR), SAT, 3D ACS Model File, SolidWorks (LDRPRT, SLDPRW, SLDDRT), STEP – Standard for the Exchange of Product Model Data, SurfCam (DSM), TIFF – Tagged Image File Format |
| Diameter | Min: M2, #4, Max: M80, 4 in |