Screw Grommets

Image Part Number Description / PDF Quantity Rfq
G-505-V2525

G-505-V2525

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC BLK

0

G-410-V2325

G-410-V2325

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC BLK

11553

60SGN01016

60SGN01016

Richco, Inc. (Essentra Components)

GROMMET NUT, .285X.295 HOLE, .07

5000

G-461-3

G-461-3

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC

950

60SGN00009

60SGN00009

Richco, Inc. (Essentra Components)

GROMMET NUT, .270X.280 HOLE, .06

2000

G-461-C8002

G-461-C8002

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC BLUE

1967

G-601-3

G-601-3

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC YLW

1020

G-501-C8012

G-501-C8012

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC BLK

2677

766

766

Keystone Electronics Corp.

SCREW GROMMET #6-32 RUBBER BLUE

2371

776

776

Keystone Electronics Corp.

SCREW GROMMET #6-32 RUBBER BLUE

335

G-502-C8002

G-502-C8002

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC BLUE

1861

G-403-C6050

G-403-C6050

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC BLK

1905

60SGN00912

60SGN00912

Richco, Inc. (Essentra Components)

GROMMET NUT, .225X.255 HOLE, .03

5196

EG-7-01

EG-7-01

Richco, Inc. (Essentra Components)

SCREW GROMMET #8/#10 NYLON NAT

0

G-504-C6050

G-504-C6050

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC BLK

0

R-445-3

R-445-3

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC

965

G-404-C6050

G-404-C6050

Aearo Technologies, LLC – a 3M company

SCREW GROMMET THERMOPLASTIC

1928

60SGN00037

60SGN00037

Richco, Inc. (Essentra Components)

GROMMET NUT, .347X.350 HOLE, .03

3000

60SPG00005

60SPG00005

Richco, Inc. (Essentra Components)

GROMMET NUT, .270X.290 HOLE, .02

6000

60SGN00002

60SGN00002

Richco, Inc. (Essentra Components)

SCREW GROMMET NYLON NATURAL

10000

Screw Grommets

1. Overview

Screw grommets are specialized fastening components combining threaded screws with protective grommets. They provide secure mechanical fixation while protecting mating surfaces from scratches, electrical insulation, or environmental sealing. These hybrid components are critical in electronics, automotive, and industrial equipment assembly, offering simultaneous mechanical and functional performance.

2. Major Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Metal Screw GrommetsHigh load capacity, EMI shielding, corrosion resistanceMilitary electronics enclosures
Plastic Screw GrommetsLightweight, electrical insulation, chemical resistanceConsumer electronics assembly
Rubber Insert GrommetsVibration damping, waterproof sealingMarine equipment panels
Multi-hole Grommet PlatesBundle cable management with threaded fixationIndustrial control cabinets

3. Structural Composition

Typical screw grommets feature: - Central threaded insert (steel/brass/aluminum) - Outer grommet body (TPE/EPDM/rubber) - Flanged head design for load distribution - Internal sealing lip structure - Anti-rotation notches on base

4. Key Technical Specifications

ParameterImportance
Material Hardness (Shore A 30-80)Determines sealing effectiveness and durability
Thread Engagement DepthAffects pull-out strength (critical for load-bearing)
Temperature Range (-40 C to +120 C)Defines operational environment limits
IP Protection Rating (IP54-IP68)Specifies dust/water ingress protection
Torque Resistance (0.5-5.0 Nm)Determines installation reliability

5. Application Sectors

Primary industries include: - Automotive (door panel fastening) - Telecommunications (router chassis assembly) - Aerospace (avionics mounting) - Medical equipment (diagnostic device enclosures) - Renewable energy (solar inverter panel mounting)

6. Leading Manufacturers

ManufacturerKey Products
PEM StandsSPT-250 series self-clinching grommets
RS ProMulti-seal cable entry grommets
IgusTribo-resistant polymer screw grommets
3MEMI shielding grommet with threaded bushing

7. Selection Guidelines

Key considerations: 1. Environmental factors (UV exposure, chemical contact) 2. Required protection class (IP rating) 3. Vibration/dynamic load conditions 4. Electrical conductivity requirements 5. Installation tooling compatibility 6. Regulatory compliance (RoHS, REACH)

8. Industry Trends

Current developments include: - Nano-coated materials for self-cleaning surfaces - Integrated smart sensors in grommet structures - Biodegradable polymer composites - Automated vision-based installation systems - Multi-functional grommets combining EMI shielding with sealing

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