Nuts Built for Secure Fastening
Grade One Fasteners supplies industrial nuts engineered for reliable thread engagement, secure fastening and consistent performance across demanding engineering and industrial applications.
Available in multiple materials, grades, sizes and configurations, our nuts can be supplied to applicable international standards and customer-specific requirements.
Precision Threads
Accurate threading for dependable engagement, proper fit and reliable assembly performance.
Secure Locking
Designed to provide secure fastening and dependable connection under demanding conditions.
Material Options
Available in carbon steel, alloy steel, stainless steel and other material options.
Application Ready
Suitable for engineering, industrial, structural and demanding fastening applications.
Engineered Nuts for Every Application
Explore our range of industrial nuts available in different designs, materials, grades and specifications for demanding fastening applications.
Featured Nut Types
Hex Nuts
Versatile six-sided nuts for general engineering, industrial and structural fastening applications.
View Product →Heavy Hex Nuts
Heavy-duty nuts designed for structural and high-strength bolting applications.
View Product →Lock Nuts
Locking nut solutions designed to resist loosening under vibration and demanding conditions.
View Product →Flange Nuts
Integrated flange design providing increased bearing surface and secure fastening.
View Product →More Nut Types
Castle Nuts
View Product →Wing Nuts
View Product →Square Nuts
View Product →Cap Nuts
View Product →Coupling Nuts
View Product →Jam Nuts
View Product →Slotted Nuts
View Product →Nyloc Nuts
View Product →Dome Nuts
View Product →T Nuts
View Product →Weld Nuts
View Product →K-Lock Nuts
View Product →Serrated Flange Nuts
View Product →Self Locking Nuts
View Product →Eye Nuts
View Product →Knurled Nuts
View Product →Materials, Grades & Standards
Materials Available
- Carbon Steel
- Alloy Steel
- Stainless Steel (304, 316, 316L)
- Duplex & Super Duplex Steel
- Brass
- Aluminium
- Special Alloys
Grades
- 4.6 / 4.8
- 5.6 / 5.8
- 8.8 / 10.9 / 12.9
- A2-70 / A4-70 / A4-80
- B7 / B16
- 2H / DH
- Other Custom Grades
Standards
- ASTM A194 / ASME SA194
- ASTM A563 / ASME SA563
- ASTM F594 / ASTM F467
- DIN 934 / DIN 936 / DIN 985
- ISO 4032 / ISO 4033
- BS / GB / JIS Standards
- As per Customer Specification
Nut Size Range & Dimensions
Industrial nuts are available in a wide range of sizes, thread configurations and dimensional specifications to suit different fastening requirements.
Standard & Custom Sizes
Nuts can be supplied in various sizes, thread forms and configurations according to applicable standards, drawings and customer requirements.
Typical Nut Dimensions
| Size | Nominal Diameter | Nut Width | Thread Type |
|---|---|---|---|
| M6 | 6 mm | 10 mm | Metric |
| M8 | 8 mm | 13 mm | Metric |
| M10 | 10 mm | 16 mm | Metric |
| M12 | 12 mm | 18 mm | Metric |
| M16 | 16 mm | 24 mm | Metric |
| M20 | 20 mm | 30 mm | Metric |
| M24 | 24 mm | 36 mm | Metric |
| M30+ | 30 mm+ | As Standard | Metric |
Quality Checked for Reliable Performance
Every nut is inspected against defined dimensional, material and performance requirements to ensure consistency and dependable fastening performance.
Dimensional Inspection
Nut dimensions, width, height and other critical measurements are checked against specifications.
Thread Inspection
Internal threads are inspected for accuracy, fit, pitch and dimensional conformity.
Material Verification
Material identification and applicable grade requirements are verified as specified.
Hardness Testing
Hardness verification can be performed according to the applicable material and specification.
Surface Inspection
Surface condition, finish and visible defects are checked to meet required specifications.
Documentation
Inspection reports and relevant quality documents can be provided as required by the customer.
Nut Applications Across Industries
Our industrial nuts are used wherever secure, reliable and consistent fastening is required across demanding applications.
Oil & Gas
Used in pipelines, equipment, structural assemblies and demanding oil & gas installations.
Power Generation
Suitable for equipment, structural connections and power plant fastening applications.
Engineering
Reliable fastening solutions for machinery, fabricated assemblies and engineering equipment.
Construction
Used in structural connections, steelwork and construction fastening requirements.
Automotive
Suitable for vehicle components, assemblies and automotive engineering applications.
Shipbuilding
Used for marine structures, equipment and shipbuilding fastening applications.
Petrochemicals
Designed for fastening requirements in process plants, equipment and petrochemical facilities.
Infrastructure
Reliable nut solutions for infrastructure, heavy structures and large-scale projects.
Application Requirement? Tell us your nut type, size, material, grade and application requirements for the right fastening solution.
Discuss Your Requirement →Tell Us Your Requirement. We'll Handle the Rest.
Share your nut type, size, material, grade, standard or drawing with our team. Get the right fastening solution for your application and project requirements.