SEMS Screws

SEMS Screws

SEMS Screws are available in stainless steel and steel with a variety of finishes. SEMS screws feature attached washers in the following style options: internal, external and split lockwashers; square cone washers; and double washers. Fastener SuperStore offers over 900 distinct size and style combinations in our SEMS screw selection, all of which can be quickly and easily located on our site. Descriptions and details are available on each part page and spec sheets are linked if you require additional information.

Showing 1-30 of 54 Results. Continue Filtering or Select a Part Below

Part No.Part DescriptionCarton QtyPrice
528952 4-40 x 1/4" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
1/4" OD Flat Washer 5,000 $815.10
529107 4-40 x 1/4" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
3/8" OD Flat Washer 5,000 $421.10
517641 4-40 x 1/4" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 1/4 10,000 $275.60
517791 4-40 x 1/4" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 3/8 10,000 $260.90
528960 4-40 x 5/16" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
1/4" OD Flat Washer 5,000 $675.10
529119 4-40 x 5/16" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
3/8" OD Flat Washer 5,000 $432.05
517652 4-40 x 5/16" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 1/4 10,000 $435.60
528972 4-40 x 3/8" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
1/4" OD Flat Washer 5,000 $620.00
529129 4-40 x 3/8" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
3/8" OD Flat Washer 5,000 $441.50
517666 4-40 x 3/8" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 1/4 10,000 $328.00
517819 4-40 x 3/8" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 3/8 10,000 $269.70
528981 4-40 x 1/2" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
1/4" OD Flat Washer 5,000 $578.15
529138 4-40 x 1/2" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
3/8" OD Flat Washer 5,000 $449.45
517672 4-40 x 1/2" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 1/4 10,000 $331.30
528992 6-32 x 1/4" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
5/16" OD Flat Washer 5,000 $685.65
529140 6-32 x 1/4" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
7/16" OD Flat Washer 5,000 $808.60
517686 6-32 x 1/4" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 5/16 10,000 $328.40
529007 6-32 x 5/16" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
5/16" OD Flat Washer 5,000 $944.40
529151 6-32 x 5/16" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
7/16" OD Flat Washer 5,000 $849.00
517695 6-32 x 5/16" Double SEMS Screws /Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 5/16 10,000 $606.90
529010 6-32 x 3/8" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
5/16" OD Flat Washer 5,000 $736.15
529166 6-32 x 3/8" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
7/16" OD Flat Washer 5,000 $891.40
517704 6-32 x 3/8" Double SEMS Screws /Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 5/16 10,000 $590.60
517857 6-32 x 3/8" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 7/16 10,000 $778.40
556367 6-32 x 7/16" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
5/16" OD Flat Washer 5,000 $722.80
529175 6-32 x 1/2" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
7/16" OD Flat Washer 5,000 $936.00
517711 6-32 x 1/2" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 5/16 10,000 $425.80
517868 6-32 x 1/2" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / Steel / Zinc
Flat Washer OD = 7/16 10,000 $483.00
529031 8-32 x 1/4" Double SEMS Screws / Narrow Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
3/8" OD Flat Washer 5,000 $852.90
529183 8-32 x 1/4" Double SEMS Screws / Flat & Split Washers / Phillips / Pan Head / 18-8 Stainless Steel
1/2" OD Flat Washer 5,000 $703.50