Nuts

Part Number	Description / PDF	Quantity
4707 Keystone Electronics Corp.	HEX NUT 0.197" STEEL M2.5	2147483647
0601024DLWN Richco, Inc. (Essentra Components)	DECO WING NUT 10-24 THREAD 7/16	900
05M100150CN Richco, Inc. (Essentra Components)	CAP NUT M10 X 1.5 THREAD 18.0 HE	1000
1404984 Phoenix Contact	JAM NUT 0.709" PG9	4
3/8-24 AJ 6 APM Hexseal	HEX SEAL NUT 9/16" STEEL 3/8-24	0
0401032HNS Richco, Inc. (Essentra Components)	HEX NUT 10-32 THREAD .196 HEIGHT	656
709940400 Würth Elektronik Midcom	PLASTIC HEXAGON NUT M4	9907
0425020HNS Richco, Inc. (Essentra Components)	HEX NUT 1/4-20 THREAD .258 HEIGH	799
90480A007 TubeDepot	632 MACHINE SCREW NUT	339
0400832HNPC Richco, Inc. (Essentra Components)	HEX NUT 8-32 THREAD .130 HEIGHT	990
0601024DECOWN Richco, Inc. (Essentra Components)	DECO WING NUT 10-24 THREAD 7/16	1000
0500832LCN Richco, Inc. (Essentra Components)	CAP NUT, NATURAL, NYLON 6/6, #8-	4819
0537516CNB Richco, Inc. (Essentra Components)	CAP NUT 3/8-16 THREAD .620 HEIGH	348
0631218DECOWN Richco, Inc. (Essentra Components)	DECO WING NUT 5/16-18 THREAD 29/	998
04M160200WFHN Richco, Inc. (Essentra Components)	HEX FLANGE NUT, M16 X 2 THREAD,	1000
06M060100DLWN Richco, Inc. (Essentra Components)	DECO LOCK WING NUT M6 X 1 THREAD	1000
1-330249-1 TE Connectivity AMP Connectors	JAM NUT 0.496" 3/8-32	4346
1790901A47 C&K	HEX NUT 9/16" M12	1463
KNF-40 Richco, Inc. (Essentra Components)	KWIK NUT 0.370" NYLON M4	3000
1449 Keystone Electronics Corp.	HEX NUT 5/16" BRASS 1/4-32	125577800

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