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JST Molex DuPont Crimping Tools SN-48B Non-insulated Receptacle and Tab Crimping Plier

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Terminal Crimping: Designed to crimp non-insulated receptacles and tab terminals onto wires/cables with precision, ensuring secure electrical connections.
  • Adjustable Settings: Features customizable jaw adjustments via screws and knobs to accommodate a wide range of terminal sizes, enhancing versatility for different crimping tasks.

Key features

  • 1. Material Technology

  • With a corrosion-resistant carbon steel jaw and durable nylon handle, you can ensure long-lasting performance in harsh environments*.

  • 2. Interactive Design

  • With adjustable jaw settings and ergonomic blue grips, you can customize crimping force and reduce hand fatigue during prolonged use*.

  • 3. Performance Parameters

  • With precision-engineered smooth jaws and metric measurement compatibility, you can achieve consistent crimp connections for reliable electrical performance*.

  • 4. Scenario Solutions

  • Designed for professional electrical applications, you can tackle heavy-duty crimping tasks in commercial settings while maintaining precision for home repairs*.

  • 5. Certification Standards

  • With RoHS certification, you can meet strict environmental and safety regulations for global compliance*.

Product details

JST Molex DuPont Crimping Tools SN-48B Non-insulated Receptacle and Tab Crimping Plier

The JST Molex DuPont Crimping Tools SN-48B Non-insulated Receptacle and Tab Crimping Plier is a precision-engineered tool designed for reliable crimping of terminals and tabs. Built with a robust steel and carbon steel jaw structure and an ergonomic plastic handle, it combines durability with user comfort. Its adjustable settings and smooth jaw surface ensure consistent crimping across various terminal sizes, while RoHS compliance guarantees environmental safety.

Technical specifications

FeatureSpecificationApplication Scenario
Handle MaterialSteel and plastic (ergonomic grip)Reduces hand fatigue during prolonged use
Jaw SurfaceSmooth, high-strength steelEnsures precise crimping for electrical connections
MaterialSteel, carbon steel (jaws); plasticHeavy-duty industrial and electrical work
Adjustable SettingsMetric system with screw/knob adjustmentsCustom crimping force for terminals of varying sizes
CertificationRoHS compliantMeets global environmental safety standards

Customization guide

Adjustable settings allow users to fine-tune crimping force for terminals of different sizes, ensuring optimal pressure without over-compression. The ergonomic handle design can be paired with grip inserts (optional) for enhanced comfort in repetitive tasks.

Get inspired

Whether you’re assembling automotive wiring harnesses or installing electrical components, the SN-48B’s precision and adjustability make it ideal for professional-grade crimping. Its smooth jaws and robust build ensure secure connections even in demanding environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Crimping Force Range10–30 N+15% (11.5–34.5 N)+30% (13–39 N)*
Precision Tolerance±0.2 mm±0.15 mm±0.1 mm
Material GradeCarbon steel jawsStainless steel jawsHeat-treated alloy jaws

Supplier's note

  1. Three Technical Breakthroughs:

    • Adjustable Metric Settings: Enables precise force adjustments for terminals from 0.5mm² to 6mm².
    • RoHS Compliance: Ensures no hazardous materials, aligning with global environmental regulations.
    • Smooth Jaw Surface: Reduces terminal deformation, enhancing electrical contact reliability.
  2. Optimal Version Selection:

    • Base Model: Ideal for occasional users or small-scale workshops needing basic crimping (e.g., hobbyist electronics).
    • Advanced Model: Suited for medium-duty industrial use, offering 15% higher force and tighter tolerances for automotive applications.
    • Pro Model: Designed for heavy industrial environments, with 30% greater force and heat-treated jaws for extreme durability. For instance, the Pro’s ±0.1mm precision ensures flawless crimps in aerospace wiring systems.

With the SN-48B’s adjustable settings, you can tailor crimping force to prevent terminal damage. The Pro model’s heat-treated alloy jaws outlast standard steel by 40%, making them perfect for high-volume production lines.

Frequently asked questions

  • Which crimping plier model suits JST/Molex/DuPont terminals for electronics projects?

  • How do I clean the jaws of the SN-48B crimping pliers after use?

  • What materials make the SN-48B crimping pliers ergonomic and durable?

  • Can the SN-48B crimping pliers handle multiple terminal sizes?

  • Is the SN-48B crimping tool RoHS-certified for environmental compliance?

  • How does the SN-48B ensure precision in crimping delicate wires?

  • Are the SN-48B pliers suitable for heavy-duty industrial applications?

  • Can the SN-48B crimping pliers work with metric-sized terminals globally?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy-duty industrial applications- Industry: Basic steel jaws + plastic handles (ASTM A36)
- Our Base: Steel handles + carbon steel jaws (ASTM A36+)
- Our Advanced: Stainless steel jaws + reinforced polymer handles (ASTM F1580)
▲▲▲ Enhanced durability/corrosion resistance (e.g., 50% longer lifespan vs basic steel)Higher cost (▲▲▲ base vs industry, ▲▲▲ advanced vs base)
Jaw Surface FinishPrecision crimping on delicate terminals- Industry: Rough jaws (ISO 9001)
- Our Base: Smooth jaws (ISO 9001 certified)
- Our Advanced: Polished jaws + anti-slip coating (ISO 9001 + proprietary finish)
▲▲ Reduced terminal wear (e.g., 30% less deformation)Requires precise alignment (▲▲▲ advanced vs base)
Compliance CertificationsRegulated industries (e.g., automotive)- Industry: Basic safety certs (IEC 60900)
- Our Base: RoHS (EN 50581)
- Our Advanced: RoHS + REACH (EN 50581 + EU 1907/2006)
▲ Meets stricter environmental standards (e.g., 100+ restricted substances banned)Higher production costs (▲▲ advanced vs base)
Adjustability FeaturesMulti-terminal projects- Industry: Fixed settings (no adjustment)
- Our Base: Screw-adjustable jaws (ISO 2768)
- Our Advanced: Quick-release jaws (ISO 2768 + proprietary system)
▲▲▲ Versatility for 10+ terminal sizes (e.g., 0.25–6 mm²)Setup time increases (▲▲ advanced vs base)
Measurement System CompatibilityGlobal metric-standard projects- Industry: Imperial system dominant
- Our Base: Metric-only (ISO 14644)
- Our Advanced: Dual metric/imperial scales (ISO 14644 + ANSI B4.1)
▲▲ Wider application in EU/Asia markets (e.g., 90% metric adoption)Complexity for users unfamiliar with dual systems (▲▲▲ advanced vs base)
Ergonomic DesignProlonged workshop use- Industry: Basic grips (no ergonomic features)
- Our Base: Blue ergonomic grips (ISO 9241)
- Our Advanced: Contoured grips + non-slip coating (ISO 9241 + ASTM D2000)
▲▲▲ Reduces hand fatigue by 40% (ISO 9241 compliance)Heavier build (▲▲ advanced vs base)

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