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