Hole Plugs

Image Part Number Description / PDF Quantity Rfq
6700650

6700650

Altech Corporation

M50PLUG ROUND BN SLOTTED WITH O-

0

6700536

6700536

Altech Corporation

PG36PLUG ROUND BN 10 SLOTTED WIT

10

NPPA-P11G

NPPA-P11G

FRÄENKISCHE USA, LP

FIPLOCK, SCREW PLUG, PG11, GREY

0

P34

P34

Laird - Antennas

HOLE PLUG 0.750" BLACK 6PK

0

7215606

7215606

Altech Corporation

PG48PLUGPA ROUND

0

NPPA-P13G

NPPA-P13G

FRÄENKISCHE USA, LP

FIPLOCK, SCREW PLUG, PG13, GREY

0

7215550

7215550

Altech Corporation

PG16PLUGPA ROUND

100

NPPA-M20G

NPPA-M20G

FRÄENKISCHE USA, LP

FIPLOCK, SCREW PLUG, M20X1.5, GR

0

HPP9 BK080

HPP9 BK080

Alpha Wire

HOLE PLUG 0.598" POLYAMIDE 6 BLK

211119

NPPA-M63G

NPPA-M63G

FRÄENKISCHE USA, LP

FIPLOCK, SCREW PLUG, M63X1.5, GR

0

6700516

6700516

Altech Corporation

PG16PLUG ROUND BN SLOTTED WITH O

0

6700507

6700507

Altech Corporation

PG7PLUG ROUND BN 50 SLOTTED WITH

50

6700632

6700632

Altech Corporation

M32PLUG ROUND BN SLOTTED WITH O-

50

7217350

7217350

Altech Corporation

PLUG M50PA ROUND

0

HPP29 BK080

HPP29 BK080

Alpha Wire

HOLE PLUG 1.457" POLYAMIDE 6 BLK

965

6700511

6700511

Altech Corporation

PG11PLUG ROUND BN 50 SLOTTED WIT

400

10499A

10499A

Richco, Inc. (Essentra Components)

HOLE PLUG .781" PVC BLACK

4104

PGM-4

PGM-4

Richco, Inc. (Essentra Components)

HOLE PLUG 0.189" NYLON BLACK

0

16233B

16233B

Richco, Inc. (Essentra Components)

HOLE PLUG 0.630" THRMPLTC BLACK

0

CBHP-9S

CBHP-9S

Richco, Inc. (Essentra Components)

HOLE PLUG 0.500" SILICONE BLACK

0

Hole Plugs

1. Overview

Hole plugs (also known as blanking plugs or hole covers) are mechanical fasteners designed to seal, protect, or provide structural integrity to openings in various materials. They play a critical role in preventing fluid leakage, dust ingress, vibration damping, and maintaining aesthetic finishes in industrial and consumer applications.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Expansion PlugsExpand radially to grip hole wallsAutomotive frame sealing
Threaded PlugsMechanical screw-in retentionHydraulic system ports
Elastomeric PlugsFlexible rubber compression sealElectrical conduit protection
Quick-Release PlugsTool-free installation/removalAerospace panel access

3. Structure and Components

Typical hole plug assemblies consist of: - Body: Cylindrical or tapered base (metal/plastic/rubber) - Retention Features: Threads, barbs, or expanding segments - Sealing Interface: O-ring, lip seal, or compressive material - Head Style: Flush, protruding, or recessed for tool engagement

4. Key Technical Parameters

ParameterSignificance
Material CompatibilityCorrosion resistance and chemical exposure
Size RangeMetric/Imperial diameter specifications
Temperature ResistanceOperating range (-40 C to +150 C typical)
Insertion ForceInstallation effort requirements
Retention Strength50-500N pull-out resistance

5. Application Fields

Key industries include: - Automotive (engine bay sealing) - Electronics (panel cutout protection) - Construction (concrete formwork plugs) - Medical equipment (sterile barrier systems) - Marine (hull penetration sealing)

6. Leading Manufacturers

ManufacturerRepresentative Product
3MScotch-Weld Plastic Welding Kits
Saint-GobainCalvasil silicone sealing plugs
Illinois Tool WorksBossard elastic retention plugs
RoxtecMultidiameter cable transit seals

7. Selection Guidelines

Consider: - Environmental exposure (UV, chemicals) - Required IP rating (IP54/IP67) - Installation frequency - Substrate material (metal, plastic, composite) Case Study: Automotive manufacturers use nylon expansion plugs (PA66) with integrated gaskets for wheel well openings, providing IP68 protection while reducing assembly time by 30%.

8. Industry Trends

Emerging developments: - Lightweight composite materials - Integrated smart sensors for seal integrity monitoring - Biodegradable polymer solutions - 3D-printed custom geometries - Anti-vibration designs for EV battery enclosures

RFQ BOM Call Skype Email
Top