Nuts

Part Number	Description / PDF	Quantity
CT0048-10-03 Quest Manufacturing	ZINC M10 HEX NUT FOR CABLE TRAY	0
1417660 Phoenix Contact	LOCK NUT 22.0MM POLYAMIDE M16	0
0600632DECOWN Richco, Inc. (Essentra Components)	DECO WING NUT 6-32 THREAD 5/16 H	963
7211 975 Altech Corporation	M16 LOCKNUT BLACKPA	19927850
CGLN-NPT-3/4-BK Richco, Inc. (Essentra Components)	LOCK NUT 1.417" NYLON NPT-3/4	1680
NY HN 256 B&F Fastener Supply	HEX NUT 3/16" NYLON 2-56	5180
04M080125HN Richco, Inc. (Essentra Components)	HEX NUT, NATURAL, NYLON, M8 X 1.	0
0631218DLWN Richco, Inc. (Essentra Components)	DECO WING NUT 5/16-18 THREAD 29/	1000
0425020LPNS Richco, Inc. (Essentra Components)	HEX WASHER NUT 1/4-20 THREAD .68	1000
04M060100WFHN Richco, Inc. (Essentra Components)	HEX FLANGE NUT, M6 X 1 THREAD, 1	1762
1737020000 Weidmuller	LOCK NUT 1.417" BRASS M32	7120
SSNUT50-C Panduit Corporation	STAINLESS STEEL, 1/2-13 HEX NUT	0
HNSS 102 B&F Fastener Supply	HEX NUT 3/8" STN STEEL 10-32	1500
1456 Keystone Electronics Corp.	HEX NUT 1/2" BRASS 3/8-32	1481838300
7213-SS RAF	7/16HD X 9/32 X 8-32 THD	44
4709 Keystone Electronics Corp.	HEX NUT 0.275" STEEL M4	79026700
7211 981 Altech Corporation	LOCKNUT NYLON M20 GRY	11006250
0450020HN Richco, Inc. (Essentra Components)	HEX NUT 1/2-20 THREAD .430 HEIGH	999
HNSS 050 13 B&F Fastener Supply	HEX NUT 3/4" STN STEEL 1/2-13	380
0412527PJN Richco, Inc. (Essentra Components)	HEX JAM NUT 1/8-27 THREAD .11 HE	2000

Nuts

1. Overview

Nuts are threaded fasteners with internal threads designed to mate with bolts or screws to secure mechanical components. As critical elements in assembly systems, nuts provide removable joints that maintain structural integrity under various operational conditions. Their importance spans across industries requiring precision engineering, vibration resistance, and load-bearing capabilities.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Hex Nuts	Standard six-sided design with coarse/fine threads, economical and versatile	General machinery assembly
Lock Nuts	Integrated anti-loosening features (nylon insert, distorted thread)	Automotive powertrain systems
Flange Nuts	Integrated washer face reduces surface pressure	Sheet metal applications
Weld Nuts	Projection weld design for permanent metal joining	Steel structure fabrication
Cap Nuts	Protective enclosure for threaded ends	Exterior architectural components

3. Structure and Composition

Typical nut configurations feature a prismatic or cylindrical body with chamfered corners. Key structural elements include:

Hexagonal wrenching surfaces (90% of standard nuts)
Internal ISO metric or Unified thread profiles
Material compositions: Carbon steel (8.8-12.9 grade), Stainless Steel (A2/A4), Brass, Aluminum
Surface treatments: Zinc plating, Geomet coating, Dacromet

4. Key Technical Specifications

Parameter	Importance
Tensile Strength (800-1200 MPa)	Determines load capacity in clamping applications
Hardness (HRC 20-39)	Affects wear resistance and torque performance
Thread Class (6H, 4H)	Defines fit precision with mating bolts
Vibration Resistance	Critical for dynamic load applications
Corrosion Resistance	Measured via salt spray testing ( 72h)

5. Application Fields

Automotive: Engine assembly, chassis systems
Aerospace: Aircraft engine mounts, landing gear
Construction: Steel frame connections, bridge structures
Electronics: PCB mounting, enclosure assembly
Renewable Energy: Wind turbine tower connections

6. Leading Manufacturers and Products

Manufacturer	Representative Products
ITW Shakeproof	Nord-Lock wedge-locking washers and nuts
PEM	SF series flush weld nuts
Hilti	IN fastening systems for concrete applications
Yamawa	High-precision JIS standard nuts

7. Selection Recommendations

Key selection criteria:

Material compatibility with mating bolt (e.g., A2 stainless nut with A2 bolt)
Environmental factors: Temperature range (-50 C to +300 C), chemical exposure
Torque requirements: Proof load specifications
Case Study: Wind turbine tower connections require M64 10.9 grade nuts with 10 m zinc coating

Industry Trends Analysis

Current development directions include:

Advanced materials: Carbon fiber-reinforced polymer nuts for weight reduction
Smart fasteners: Integrated strain sensors for real-time load monitoring
Manufacturing innovation: Cold forming processes achieving G05 dimensional accuracy
Sustainability: Bio-based coatings replacing traditional zinc plating