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** Minimum order value: $100

With the ability to produce a variety of nut types, including, but not limited to, conical, coupling, finished hex, and serrated hex flange, National Nut & Bolt can manufacture our custom nuts to meet our client's particular requirements. And, we can heat treat our quality products to match your hardening specifications. Employing a range of material options such as plastics, nylon, silicone bronze, and inconel, our custom nuts can be built to either English, British or metric standards.

Meeting high industry standards, our custom nuts have happily served the needs of multiple industries, including marine, mining, food processing and transportation. And, we offer a variety of finishing options, ranging from Teflon and phosphate to brass, silver and nickel plated.

Built to be used for a broad assortment of diverse applications such as jewelry, construction machinery, bridges, and impellers, we invite you to contact our company today to learn more about our high-quality custom nuts.
Unit of Measure


Industry Focus

N/A Agricultural Automotive Construction Electronics Energy Food Processing Heavy Machinery Marine Medical Mining Nuclear Oil, Gas, Petroleum Transportation

Intended Application

N/A Boilers Bridges Construction Machinery Engineered Plumbing Engines Hydraulics Impellers Jewelry Machine Tools Water Treatment Plants

Materials (Metals)

N/A Alloy Steels Aluminum Beryllium Brass Carbon Steel Inconel Magnesium Molybdenum Monel Nickel Silicone Bronze Stainless Steel Tin Titanium

Materials (Plastic Polymers)

N/A Nylon Various Plastics


N/A British English Metric

Hardening Specification

N/A Heat Treated to any custom Specification

Fastener Types

N/A *We can manufacture many custom fasteners to your specification*
Dowels & Pins
Hose Couplings Nails Rivets Screws Shackles Shaft Couplings Studs

Bolt Types

N/A *We can manufacture many custom bolts to your specification*
Bent Bent
  • Eye
  • Hook
  • J
  • U
Carriage Countersunk Elevator Flange Lag Plow T-Handle T-Slot

Bolt & Screw Head Types

N/A *We can manufacture many custom head types to your specification*
12-Point Button Fillister Flat Flat Undercut Headless Hexagon Indented Hexagon One-Way Oval Pan Pentagon Phillips Round Shoulder Socket Square Shoulder Trimmed Hex Truss

Thread Types

N/A *We can manufacture many custom thread types to your specification*
Drywall Machine Self-Drilling Self-Drilling Drive Screws Self-Tapping Type 17 Type 23 Type 25 Type A Type AB Type B Type F UNC UNF Wood


N/A *We can manufacture to many custom grades meeting your specification*
10.9 12.9 5 8 8.8

Bolt & Screw Drive Types

N/A *We can manufacture many custom drive types to your specification*
Hex/Hexagonal Phillips Six Lobe Slotted Socket Square Tamper Resistant Torx

Nut Types

N/A *We can manufacture many custom nut types to your specification*
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


N/A Automotive Black Oxide Brass Plated Cadmium Chromate Chrome Color Coated Galvanized Nickel Plated Painted Phosphate Polished PTFE Silver Plated Teflon Zinc Plated

Industry Standards

N/A ANSI - American National Standards Institute
  • ANSI B 18.2.4 2M
  • ANSI B 28.2.4 1M
  • DIN 934
  • DIN 970
ISO - International Organization for Standardization
  • ISO 4032
  • ISO 4033
UTS - Unified Thread Standard
  • UNC
  • UNF
  • UNEF
  • UNS
  • NPT
  • NPTF

Production Volume

N/A Low Volume to High Volume Max : Several Million units Min : 60

File Formats

N/A 3D ACIS Model File AutoCAD (DWG,DWZ) BMP - Bit Mapped Graphics Catia (CATDrawing,CATPart) Delcam (DGK, DMT) DXF - Drawing Interchange Format, or Drawing Exchange Format GIF - Graphics Interchange Format IGES - Initial Graphics Exchange Specification, ANSI file format. Inventor (IDW, IPT) IronCAD (ICD,ICS) JPG or JEPG - Joint Photographic Experts Group MasterCam (MDX, MC8, MC9, SET) PDF - Portable Document Format Pro-E or Pro/Engineer (DRW,PRT,XPR) SAT SolidWorks (SLDPRT,SLDDRW,SLDDRT) STEP - Standard for the Exchange of Product Model Data SurfCam (DSN) TIFF - Tagged Image File Format


N/A Max : M80 (4 in) Min : M2 (#4)