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Fully threaded hexagon set screws to DIN 933 - when you need thread engagement along the entire length of the shank. Often called "set bolts" or "tap bolts" depending on regional terminology. Available in A2 (304) for general use and A4 (316) for marine and outdoor applications.
The widest sub-category in the Simfix range: M5 through M12 in a comprehensive set of lengths from 16mm right up to 100mm+, covering virtually every common bolt-up scenario. DIY packs of 10 and Trade packs of 50 stocked across all sizes. Free next-day UK delivery on orders before 4PM.