SEMS ASSEMBLIES

Captive washer / sems machine screw and sems tapping screws in a range of configurations, materials, and finishes.

RANGE OF PRODUCTS

  • SEMS MACHINE SCREW
  • SEMS TAPPING SCREW

SEMS MACHINE SCREW

SEMS TAPPING SCREW

FEATURES

  • PILOT POINT
  • TAPPERED POINT
  • UNDERHEAD SERRATIONS / LOCKING / SCRAPPING
  • SHANK

SCREW TYPES

WASHER TYPES

HEAD TYPES

DRIVE TYPES

MATERIALS

  • LOW CARBON STEEL
  • MEDIUM CARBON STEEL (FOR HEAT TREATING TO HIGH TENSILE GRADES)
  • STAINLESS STEEL
  • BRASS
  • TITANIUM

FINISHES

  • ELECTROPLATED (FOR EXAMPLE ZINC BLACK, BLUE / CLEAR, YELLOW / GOLD, PHOSPHATE)
  • MECHANICAL PLATED
  • DIPSPIN PLATED
  • TRIVALENT / HEXAVALENT
  • TOPCOAT / SEALERS INCLUDING CHROMIUM AND SILICA COMPOUND COATINGS TO IMPROVE CORROSIVE RESISTANCE
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