Sem Screws on KD Fasteners, Inc.

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	Sem Screws

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We are a leading distributor of sems screws. Sems screws are a preassembled screw and washer combination, available with various types of screws, including machine screws and tapping screws, with various head types. Screws are available in any length, with diameters up to 4 1/2", and helical spring lock washers.

Sem screws are available in various materials, including steel, stainless steel, aluminum, brass, and bronze, with others available. Finishing options including zinc plating and cadmium plating are available for increased corrosion resistance. Using our polybagging services, we can put together kits of sem screws in any quantity and combination with other fasteners, if necessary.

Specifications

Maximum Diameter		4 1/2"

Sem Screw Types		Fillister Head Type C Tapping Screw Hex Head Type C Tapping Screw Hex Washer Head Type T Tapping Screw Pan Head Type F Tapping Screw Round Head Machine Screw Truss Head Type D Tapping Screw

Washer Types		Helical Spring Lock Washer

Materials Available		Alloy 17-4PH Alloy 17-7 PH Alloy 20 Aluminum Brass Bronze Grade 2 Steel Grade 5 Steel Grade 8 Steel Hastelloy Inconel Monel Non-ferrous Metals Silicon Stainless Steel Steel Titanium

Finishing Services		Cadmium Plating Microsphering Nylon Patching Zinc and Black Dichromate Zinc and Yellow Dichromate Zinc Plating

Sem Screws

Maximum Diameter

Sem Screw Types

Washer Types

Materials Available

Finishing Services