Miscellaneous

Image Part Number Description / PDF Quantity Rfq
2502500250

2502500250

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .250 OD, 1/4 IN L

3000

2502500125

2502500125

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .250 OD, 1/8 IN L

2975

013118ABTS075

013118ABTS075

Richco, Inc. (Essentra Components)

THREADED STUD ADHESIVE 5/16-18 T

500

2501250187

2501250187

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .125 OD, 3/16 IN

2900

2501250375

2501250375

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .125 OD, 3/8 IN L

4990

2501870125

2501870125

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .187 OD, 1/8 IN L

3000

2500930500

2500930500

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .093 OD, 1/2 IN L

4795

2502500750

2502500750

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .250 OD, 3/4 IN L

5000

2500620375

2500620375

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .062 OD, 3/8 IN L

2980

2501250125

2501250125

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .125 OD, 1/8 IN L

3000

2503120750

2503120750

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .312 OD, 3/4 IN L

4900

2500930250

2500930250

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .093 OD, 1/4 IN L

2995

2501870750

2501870750

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .187 OD, 3/4 IN L

9999

2500470375

2500470375

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .047 OD, 3/8 IN L

3000

2502500239

2502500239

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .250 OD, 15/64 IN

1996

2500470500

2500470500

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .047 OD, 1/2 IN L

3000

012520ABTS050

012520ABTS050

Richco, Inc. (Essentra Components)

THREADED STUD ADHESIVE 1/4-20 TH

500

2503120375

2503120375

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .312 OD, 3/8 IN L

3000

2500470125

2500470125

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .047 OD, 1/8 IN L

3000

27RSFP001

27RSFP001

Richco, Inc. (Essentra Components)

SIGN FASTENER PIN, FOR 27RSFK001

1900

Miscellaneous

1. Overview

Miscellaneous hardware components refer to specialized mechanical elements that do not fall into standard fastener categories but are critical for structural integrity, functionality, and system integration. These components enable precise load distribution, vibration damping, cable management, and environmental protection in modern engineering systems. Their importance has grown with advancements in automation, miniaturization, and multi-functional design requirements across industries.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Washers & SpacersDistribute load, prevent loosening, maintain spacingAerospace bolted joints, plumbing systems
Cable Ties & ClipsOrganize and secure wiring harnessesAutomotive wiring, data centers
Vibration DampersIsolate mechanical vibrationsIndustrial machinery, HVAC systems
Threaded InsertsProvide durable threads in soft materialsAerospace composites, plastic enclosures
Anti-Rotation PinsPrevent rotational movement in assembliesRobotics, precision instruments

3. Structure and Composition

Typical components feature: - Material Core: Steel alloys (8.8-12.9 grade), stainless steel (A2/A4), aluminum (6061-T6), or engineered polymers (nylon 6/6, PEEK) - Surface Treatment: Zinc plating (5-25 m), passivation, anodizing, or polymer coatings - Geometric Features: Precision-machined internal threads (M1.6-M24), tolerance class 6H/6g - Specialized Elements: Integrated O-rings, self-locking mechanisms, or conductive paths

4. Key Technical Specifications

ParameterTypical RangeImportance
Tensile Strength400-1,200 MPaDetermines load capacity
Vibration Resistance0-3,000 Hz operational rangeSystem stability in dynamic environments
Temperature Range-60 C to +300 CMaterial performance under thermal stress
Corrosion Resistance1,000-4,000h salt spray test ratingLong-term durability
Electrical Conductivity0.01-60 MS/mESD protection requirements

5. Application Fields

  • Automotive: Engine mounts, sensor fixation systems
  • Aerospace: Composite panel fastening systems
  • Electronics: PCB grounding clips, heat sink retainers
  • Renewable Energy: Solar panel vibration dampers
  • Medical Devices: Sterilizable surgical instrument fasteners

6. Leading Manufacturers and Products

ManufacturerKey ProductsTechnical Features
MISUMIFS Type Vibration DampersLoad capacity: 500N, Frequency range: 10-2,000Hz
McMaster-Carr96510 Series Cable GlandsNPT thread sizes 1/4"-1", IP68 rating
3MScotch-Weld Structural AdhesiveTensile strength: 34MPa, 25min cure time
TR FasteningsSelf-Clinching StandoffsM2-M6 thread sizes, clamp load: 8kN
Halder Components542 Series Anti-Vibration MountsDeflection: 3-10mm, 500,000 cycle durability

7. Selection Guidelines

Key considerations: - Environmental factors (temperature extremes, chemical exposure) - Mechanical requirements (dynamic vs static loads) - Regulatory compliance (ASTM F3148, ISO 2320) - Material compatibility with mating components - Assembly method constraints (hand tool vs automated installation) - Lifecycle cost analysis (maintenance intervals, replacement costs)

8. Industry Trends Analysis

Current developments include: - Smart Fasteners: Integrated strain gauges for condition monitoring (e.g., Airbus A350 wing sensors) - Nano-coatings: DLC (Diamond-Like Carbon) treatments reducing friction coefficients to 0.05 - Additive Manufacturing: Complex lattice structures for weight reduction (NASA's 3D-printed fuel nozzles) - Multi-material Systems: Hybrid polymer-metal fasteners for EV battery packs - Sustainability: Biodegradable polymer anchors achieving 90% recyclability

Emerging applications in autonomous vehicles and 5G infrastructure are driving demand for components with 0.01mm positional accuracy and 10-year maintenance-free operation.

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