Nuts

Part Number	Description / PDF	Quantity
CGLN-M16-BK Richco, Inc. (Essentra Components)	LOCK NUT 0.866" NYLON M16	553
0501024LCN Richco, Inc. (Essentra Components)	CAP NUT, NATURAL, NYLON 6/6, #10	4945
0831218TNAB Richco, Inc. (Essentra Components)	THUMB NUT, KNURLED, 5/16-18 THRE	992
0456224HJN Richco, Inc. (Essentra Components)	HEX JAM NUT 9/16-24 THREAD .250	943
05M060100CN Richco, Inc. (Essentra Components)	CAP NUT M6 X 1 THREAD 12.0 HEIGH	1000
05M050080LCN Richco, Inc. (Essentra Components)	LOCKING CAP NUT M5 X .8 THREAD 1	1000
0800632TNAB Richco, Inc. (Essentra Components)	THUMB NUT, KNURLED, #6-32 THREAD	3490
04M320150WFHN Richco, Inc. (Essentra Components)	HEX FLANGE NUT, M32 X 1.5 THREAD	1000
0475010HJN Richco, Inc. (Essentra Components)	HEX JAM NUT 3/4-10 THREAD .250 H	878
0637524DECOWN Richco, Inc. (Essentra Components)	DECO WING NUT 3/8-24 THREAD 29/6	1000
0501032LCNB Richco, Inc. (Essentra Components)	LOCKING CAP NUT, #10-32 THREAD,	500
05M080125CNB Richco, Inc. (Essentra Components)	CAP NUT M8 X 1.25 THREAD 15.0 HE	0
06M060100DWN Richco, Inc. (Essentra Components)	DECO WING NUT M6 X 1 THREAD 13.4	850
04M025045HN Richco, Inc. (Essentra Components)	HEX NUT, NATURAL, NYLON, M2.5 X	19406
05M060100LCN Richco, Inc. (Essentra Components)	LOCKING CAP NUT M6 X 1 THREAD 12	1000
0800832TNA Richco, Inc. (Essentra Components)	THUMB NUT KNURLED 8-32 THREAD .3	1088
0400632HNS Richco, Inc. (Essentra Components)	HEX NUT 6-32 THREAD .146 HEIGHT	6131
0400832HNS Richco, Inc. (Essentra Components)	HEX NUT 8-32 THREAD .170 HEIGHT	349
CGLN-M32-BK Richco, Inc. (Essentra Components)	LOCK NUT 1.614" NYLON M32	339
04M050080HN Richco, Inc. (Essentra Components)	HEX NUT, NATURAL, NYLON, M5 X .8	10664

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