Nuts
Complete range of hex nuts, lock nuts, flange nuts, and specialty nuts in all grades and materials. Fully certified to ASTM, SAE, ISO, and DIN standards for industrial, structural, and commercial applications.
All Grades
Grade 2/5/8, 8/10/12, A563, A194
All Types
Hex, lock, flange, castle, cap nuts
All Sizes
M1.6 to M100, #2 to 4"
Certified
ASTM, SAE, ISO, DIN compliant
Nut Types We Supply
Comprehensive range of nuts for every application from general machinery to specialized industries
Hex Nuts (Standard & Heavy Hex)
Six-sided nuts for general purpose and heavy-duty structural applications
STANDARDS
ASME B18.2.2, DIN 934/6915, ISO 4032/4033
Typical Applications:
- •General machinery
- •Structural steel
- •Equipment assembly
- •Construction
Nylon Insert Lock Nuts (Nylock)
Self-locking nuts with nylon insert to prevent loosening from vibration
STANDARDS
DIN 985, ISO 7040/7042, IFI-100
Typical Applications:
- •Automotive
- •Aerospace
- •Vibrating equipment
- •Mobile machinery
Flange Nuts (Serrated & Non-Serrated)
Nuts with integrated flange acting as built-in washer for load distribution
STANDARDS
DIN 6923, ISO 4161, JIS B1190
Typical Applications:
- •Automotive assembly
- •Electrical equipment
- •Sheet metal
- •HVAC
Castle Nuts (Slotted Nuts)
Nuts with slots for cotter pin insertion to prevent loosening
STANDARDS
ASME B18.2.2, DIN 935, ISO 7036
Typical Applications:
- •Automotive suspension
- •Steering systems
- •Aircraft
- •Safety-critical joints
Cap Nuts (Acorn Nuts)
Domed nuts providing finished appearance and thread protection
STANDARDS
DIN 1587, ISO 4775, ASME B18.6.4
Typical Applications:
- •Decorative applications
- •Furniture
- •Handrails
- •Exposed fasteners
Wing Nuts
Hand-tightened nuts with projecting wings for tool-free installation
STANDARDS
DIN 315, ASME B18.17, ISO 8673
Typical Applications:
- •Quick assembly/disassembly
- •Fixtures
- •Jigs
- •Temporary fastening
Weld Nuts (Square & Hex)
Nuts designed for permanent welding to sheet metal or structures
STANDARDS
DIN 929, ISO 10664, Custom specs
Typical Applications:
- •Sheet metal fabrication
- •Automotive panels
- •Chassis
- •Enclosures
T-Nuts (Tee Nuts)
Nuts with prongs for embedding into wood or soft materials
STANDARDS
DIN 1624, Custom fabrication
Typical Applications:
- •Woodworking
- •Furniture assembly
- •Climbing holds
- •Soft material fastening
Coupling Nuts (Threaded Rod Connectors)
Long nuts for connecting two threaded rods end-to-end
STANDARDS
ASME B18.2.2, Custom lengths
Typical Applications:
- •Threaded rod extension
- •Hanging systems
- •Adjustable assemblies
- •Tie rods
Jam Nuts (Thin Nuts)
Low-profile nuts used as lock nuts or in limited space applications
STANDARDS
ASME B18.2.2, DIN 439, ISO 4035
Typical Applications:
- •Lock nut applications
- •Tight clearances
- •Adjustment locking
- •Panel mounting
Complete Nut Specifications
Comprehensive technical information on grades, sizes, finishes, and materials
Nut Type Details
Select from the tabs above to view detailed specifications for grades, sizes, finishes, and materials. Or scroll up to browse our complete nut type collection with application details and standards.
📋 Quick Reference
- •Hex Nuts: Most common, general purpose
- •Lock Nuts: Vibration-resistant with nylon insert
- •Flange Nuts: Built-in washer for load distribution
- •Castle Nuts: Safety with cotter pin retention
- •Heavy Hex: Structural steel applications
✓ Quality Assurance
- ✓ASTM, SAE, ISO, DIN compliant
- ✓Full material traceability with MTRs
- ✓Hardness and proof load testing
- ✓Thread inspection per standards
- ✓ISO 9001:2015 certified
Industry Applications
Trusted nut solutions across multiple industries worldwide
Construction & Structural
- Steel structures
- Bridges & buildings
- Heavy equipment
- Precast concrete
Automotive & Transport
- Vehicle assembly
- Suspension systems
- Engine components
- Rail infrastructure
Oil & Gas
- Pipe flanges
- Pressure vessels
- Refineries
- Offshore platforms
Manufacturing
- Heavy machinery
- Production equipment
- Assembly lines
- Material handling
Aerospace & Defense
- Aircraft assembly
- Military equipment
- Space systems
- Precision fastening
Electrical & Electronics
- Electrical panels
- Power distribution
- Electronics enclosures
- Switchgear