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Custom Nuts & Washers

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Custom Nuts at National Bolt & Nuts

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.

Specifications:

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

*We can manufacture many custom fasteners to your specification*

Dowels & Pins
Hose Couplings
Nails
Rivets
Screws
Shackles
Shaft Couplings
Studs

Bolt Types

*We can manufacture many custom bolts to your specification*

Anchor
Bent

Eye
Hook
J
U

Carriage
Countersunk
Elevator
Lag
T-Handle
T-Slot
Flange
Carriage
Bent
Plow

Bolt & Screw Head Types

*We can manufacture many custom head types to your specification*

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

*We can manufacture many custom thread types to your specification*

ACME
Drywall
Machine
Self-Tapping
Self-Drilling Drive Screws
Self-Drilling
Type 17
Type 23
Type 25
Type A
Type AB
Type B
Type F
Wood
UNC
UNF

Grades

*We can manufacture to many custom grades meeting your specification*

2
5
8
8.8
10.9
12.9

Bolt & Screw Drive Types

*We can manufacture many custom drive types to your specification*

Combination
Hex/Hexagonal
Phillips
Six Lobe
Slotted
Socket
Square
Tamper Resistant
Torx

Nut Types

*We can manufacture many custom nut types to your specification*

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
Chromate
Chrome
Color Coated
Galvanized
Nickel Plated
Painted
Phosphate
Polished
PTFE
Silver Plated
Teflon
Zinc Plated

Industry Standards

ANSI - American National Standards Institute

ANSI B 18.2.4 2M
ANSI B 28.2.4 1M

DIN

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

Min
$60

Max
Several Million units

Low Volume to High Volume

File Formats

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
3D ACIS Model File
SolidWorks (SLDPRT,SLDDRW,SLDDRT)
STEP - Standard for the Exchange of Product Model Data
SurfCam (DSN)
TIFF - Tagged Image File Format

Diameter

Min
M2
#4

Max
M80
4 in