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CL148-1 black PA nylon plastic fixed 90 degree opening cabinet hinge real picture
CL148-1 Black PA Nylon Plastic Hinge with Steel Pin, Built-in 90 Degree Fixed Stop Angle - Image 2
CL148-1 black PA nylon plastic fixed 90 degree opening cabinet hinge real picture

CL148-1 Black PA Nylon Plastic Hinge with Steel Pin, Built-in 90 Degree Fixed Stop Angle

CL148-1 Black PA Nylon 90° Fixed Angle Plastic Hinge High-strength PA engineering plastic housing, wear-resistant steel spindle, built-in 90-degree stop positioning, triangular outline, flush countersunk installation.

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CL148-1 Black PA Nylon Plastic Hinge with Steel Pin, Built-in 90 Degree Fixed Stop Angle

CL148-1 is an engineering plastic positioning hinge molded from high-performance PA (Nylon) material, matched with solid steel rotating pin for wear resistance. It features an integrated internal limit structure that locks the door at exactly 90° opening position automatically. The irregular triangular plate design comes with 3 composite countersunk mounting holes for flat installation, lightweight, insulating, corrosion-proof and low-noise. Widely used for plastic instrument enclosures, electrical control boxes, testing equipment casings, battery housings, portable tool cases and small automation device covers.

Key Technical Parameters

  • Model: CL148-1
  • Material: Main body = Black PA Nylon Engineering Plastic; Rotating Shaft = Steel Pin (Φ8)
  • Fixed Opening Angle: Locked at 90° (cannot overrotate)
  • Total Height: 80mm
  • Mounting Holes: 3 off total Specification: 3×Φ9 through holes, Φ17×90° countersunk sink holes
  • Thickness: 7.5mm
  • Rotor Diameter: Φ8 steel pin

1. Material Performance Advantages

  1. PA Nylon Body: Good toughness, impact resistance, fatigue resistance, self-lubricating, insulating property, no electric conduction risk for electrical cabinets; resistant to weak acid, alkali, oil and common chemical solvents, will not rust like metal hinges.
  2. Steel Spindle Pin: Φ8 solid steel shaft greatly improves wear resistance, avoids plastic shaft abrasion and loosening after long-term repeated opening/closing, prolong service life.

2. Built-in 90° Automatic Stop Mechanism

Core feature: internal molded limit ribs, once the door opens to 90 degrees, it will automatically snap and hold the position without external support. Effectively prevent the cover from falling back or swinging freely, convenient for operators to inspect wiring, place samples or operate internal components, greatly improving safety and operability.

3. Triangular Outline & Countersunk Hidden Installation

Special angled triangular flange saves installation space and avoids corner interference. Φ17×90° large countersunk recess allows screw heads to be fully embedded, keeping equipment outer surface smooth and tidy, prevent scratching hands and external bump damage. Three-point mounting distributes force evenly, not easy to pull loose from plastic panel.

4. Lightweight & Vibration Damping

Far lighter than stainless steel or iron hinges, reduces overall equipment weight. Plastic material absorbs vibration and eliminates metal collision noise during opening and closing, ideal for precision testing instruments and portable mobile devices.

Core Selling Points

  1. Insulating PA Nylon Body Non-conductive, safe for electrical enclosures, oil & chemical corrosion resistant.
  2. Reinforced Steel Rotating Pin High wear resistance, durable for thousands of open-close cycles.
  3. Fixed 90° Auto Stop Position No rebound, free hands during equipment maintenance and operation.
  4. 3-Point Countersunk Flush Mount Flat surface, anti-scratch, stable fastening on plastic shells.
  5. Lightweight & Low Noise Operation Vibration absorption, perfect for portable instruments and small equipment.

Typical Application Scenarios

  1. Electronic instrument test boxes, PCB control enclosures, sensor junction boxes
  2. Portable power packs, lithium battery plastic housings, charging station casings
  3. Laboratory analysis equipment covers, medical small device protective shells
  4. Plastic tool cases, handheld detection devices, automation small module cabinets
  5. Indoor low-voltage plastic distribution boxes, communication terminal wiring housings

Installation & Selection Notes

  1. Application Limitation: Not suitable for heavy large metal doors; designed for lightweight plastic/ABS/PC casing covers.
  2. Opening Angle Lock: Fixed strictly at 90°, cannot be adjusted to 180° or other angles, confirm angle requirement before bulk order.
  3. Screw Selection: Use 90° countersunk flat head screws matching Φ17 sink hole for flush installation.
  4. Environmental Tips: Avoid long-term high-temperature baking and strong corrosive liquid immersion to prevent nylon aging deformation.

Product Summary

CL148-1 is a cost-effective engineering plastic positioning hinge focused on small lightweight equipment. Combining insulating anti-corrosion PA nylon body, wear-resistant steel pin and reliable 90-degree auto stop function, it provides safe, quiet and neat hinging solution for plastic instrument boxes, electrical enclosures and portable device housings.

CL148-1 black PA nylon plastic hinge 90 degree fixed opening angle cabinet hinge with steel pin