Nuts

Part Number	Description / PDF	Quantity
0600832DLWN Richco, Inc. (Essentra Components)	DECO WING NUT 8-32 THREAD 5/16 H	3990
0850013TNA Richco, Inc. (Essentra Components)	THUMB NUT KNURLED 1/2-13 THREAD	1000
0837516TNA Richco, Inc. (Essentra Components)	THUMB NUT KNURLED 3/8-16 THREAD	1000
04M030050WFHN Richco, Inc. (Essentra Components)	HEX FLANGE NUT M3 X .5 THREAD 6.	4683
0701024SLN Richco, Inc. (Essentra Components)	LOCK AND FLANGE NUT, NATURAL, NY	9740
0500832SCN Richco, Inc. (Essentra Components)	SLOTTED THUMB NUT, NATURAL, NYLO	2980
0500832LCNB Richco, Inc. (Essentra Components)	LOCKING CAP NUT, #8-32 THREAD, .	500
0437532HDN Richco, Inc. (Essentra Components)	DRESS NUT 3/8-32 THREAD .615 OD	0
CGLN-PG13.5-BK Richco, Inc. (Essentra Components)	LOCK NUT 1.062" NYLON PG13.5	682
0625020DECOWN Richco, Inc. (Essentra Components)	DECO WING NUT 1/4-20 THREAD 17/3	0
0501024SCN Richco, Inc. (Essentra Components)	THUMB NUT KNURLED SLOTTED 10-24	1000
0425028HN Richco, Inc. (Essentra Components)	HEX NUT, NATURAL, NYLON, 1/4-28	18645
04M050080HNDIN34814 Richco, Inc. (Essentra Components)	HEX NUT M5 X .8 THREAD 4.7MM MAX	843
0437516HHJN Richco, Inc. (Essentra Components)	HEX JAM NUT 3/8-16 THREAD .219 H	1000
0601024WN Richco, Inc. (Essentra Components)	WING NUT 10-24 THREAD .48 HEIGHT	990
0401024HN Richco, Inc. (Essentra Components)	HEX NUT, NATURAL, NYLON, #10-24	28725
0431224HJN Richco, Inc. (Essentra Components)	HEX JAM NUT 5/16-24 THREAD .190	1000
0631218WN Richco, Inc. (Essentra Components)	WING NUT 5/16-18 THREAD .72 HEIG	1000
0601024WNA Richco, Inc. (Essentra Components)	WING NUT 10-24 THREAD .63 HEIGHT	1000
05M100150CNB Richco, Inc. (Essentra Components)	CAP NUT M10 X 1.5 THREAD 18.0 HE	1000

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