Home » JOHNSON ELEKTRIK PILOT PIN JDPB-62103

JOHNSON ELEKTRIK PILOT PIN JDPB-62103

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₱320.00
A pilot pin is a precision-engineered tool or fastener used to locate, center, and guide components during machining and assembly. While the term can refer to decorative aviation lapel pins, it most commonly describes a critical functional accessory in industrial metalworking.
Merriam-WebsterMerriam-Webster +4

1. Metalworking & Drilling (Annular Cutters)
In the context of magnetic drills and annular cutters, a pilot pin (also called a center pin or ejector pin) performs three vital functions:
  • Centering: It helps accurately position the cutter on a pre-marked point before drilling begins, preventing the tool from "wandering" on the material surface.
  • Coolant Flow: As the drill descends, the pin retracts into the arbor, acting as a valve to allow internal lubrication and coolant to flow directly to the cutting teeth.
  • Slug Ejection: Once the hole is finished, a spring-loaded mechanism pushes the pin forward to eject the solid metal core (slug) from the center of the cutter.
    Euroboor.comEuroboor.com +3

2. Automotive & Assembly
  • Wheel Alignment: Pilot pins are used to hang and align heavy wheels on European cars that use lug bolts instead of studs, making it easier to start the bolts without cross-threading.
  • Engine Machining: Specialized pins guide grinding laps when machining cylinder head seats to ensure precise dimensions and a leak-proof seal.
  • Manufacturing Fixtures: They serve as reference points in welding jigs, injection molds, and CNC machining to ensure repeatable and precise part placement