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Grade 2 Phillips Pan External Sems
Home › Shop › Inch Fasteners › Machine Screws › Phillips Pan External Sems › Grade 2 Phillips Pan External Sems
Phillips Pan External Sems machine screws essentially have a ‘pre-assembled’ lock washer beneath the head of the screw which is free-spinning which saves time. External Tooth SEMS screws provide greater torsional resistance than internal tooth lock washers.
Grade 2 Phillips Pan External Sems Product Filters
