Tools Needed

  • Drill

  • Drill bits appropriate for the device and mounting style

    Mounting style

    Drill bit sizes

    Bail with included wood screws

    3 mm (1/8 in.)

    Flush for the corner of the cutout

    GPSMAP® 7x3: 6.5 mm (1/4 in.)

    GPSMAP 9x3: 8 mm (5/16 in.)

    GPSMAP 12x3 and GPSMAP 16x3: 14 mm (9/16 in.)

    Flush with included wood screws

    GPSMAP 7x3, GPSMAP 9x3, and GPSMAP 12x3: 2.3 mm (3/32 in.)

    GPSMAP 16x3: 3.2 mm (1/8 in.)

    Flush with included machine screws and nut plates

    All models: 3.5 mm (9/64 in.)

    GPSMAP 7x3, GPSMAP 9x3, and GPSMAP 12x33 mm (1/8 in.)

    GPSMAP 16x3: 6 mm (1/4 in.)

    Flush with included machine screws and tapped holes

    GPSMAP 7x3, GPSMAP 9x3, and GPSMAP 12x3: M3 tap

    GPSMAP 16x3: M4 tap

  • #2 Phillips screwdriver

  • Jigsaw or rotary tool

  • File and sandpaper

  • Marine sealant (recommended)

GUID-BF2FF273-008A-482A-A96F-362ADA8996BA v8
January 2025