MOLD BASE COMPONENTS

  • LEADER PINS
    Case-hardened and precision-ground, Progressive's Leader Pins are available in straight or shoulder styles, with Black Nitride available for maximum performance.
  • GUIDED EJECTOR PINS
    Guided Ejector Pins are precision ground pins designed specifically for guided ejection, allowing for installation in common bottom clamp plate sizes.
  • BUSHINGS
    Progressive offers several material options for Shoulder Bushings, Guided Ejector Bushings, and Straight Bushings.
  • FRONT LOADING PINS & BUSHINGS
    Front Loading Leader Pins and Bushings are used for standard alignment or can be installed in Guide Blocks for external mounting.
  • LOCATING RINGS
    Treated for corrosion resistance, our Locating Rings offer an additional keyed feature that eliminates doweling and tapping in the mold base.
  • SPRUE BUSHINGS
    Hardened, ground, and polished for maximum production applications, Progressive's Sprue Bushings offer a key slot for acceptance of the dowel provided with all Locating Rings.
  • EXTENDED SPRUE BUSHINGS
    Extended Sprue Bushings allow for reduced stroke and faster cycles in three plate molds, providing high impact resistance with the selected materials and hardnesses along with the Runner Stripper Plate Bushing.
  • SUPPORT PILLARS
    Support Pillars are offered in several materials and hardnesses, while also available with different mounting options.
  • SUPPORT COLUMNS
    Progressive's Support Columns are manufactured with a tighter tolerance on the diameters for die cast dies or when used with a Guided Ejector Bushing.
  • SPRINGS
    Progressive's Medium Duty (Blue) Springs and Medium Heavy Duty (Red) Springs are 100% interchangeable to Raymond® and other brands and are manufactured from a special rectangular shaped round cornered chrome-vanadium alloy. Inch Springs with other strengths are also available.
  • URETHANE SPRINGS
    Urethane Springs provide over 500 pounds of pressure to cushion parting lines or control parting line sequences.
  • STOP PINS
    Progressive's Stop Pins are durable and have extra grinding stock on the heads to provide consistent heights for the pin ejector plates.
  • STOP DISCS
    Progressive's Stop Discs are available in a wide range of diameters to suit standard plate clearances.
  • SPACERS
    Progressive's Spacers provide a positive stop for Ejector Plates when installed on the back side of the B-Plate or B-Support Plate.
  • PKO EXTENSIONS
    Progressive offers a wide range of PKO Extension configurations for unifying press knock out rod lengths.
  • STRIPPER BOLTS
    Progressive's Stripper Bolts are designed for the injection mold industry, taking into consideration tighter tolerances for positive plate stops.
  • STRIPPER BOLT BUSHINGS
    Progressive's Stripper Bolt Bushings provide a positive wear surface for the bolt and reduce installation time.
  • TUBULAR DOWELS
    Tubular Dowels provide alignment between mold plates with screw and dowel in one location.
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