Overview Product Description Material: High Tensile Grade R (equivalent to metric 8.8) Steel Zinc Plated Thread: BSF (British Standard Fine) Type: Hexagon Head Set Screws 5/16" thread size 22tpi Product Videos Custom Field Product Reviews Write a Review Write a Review × 5/16" BSF Zinc Plated Steel Hexagon Head Fully Threaded Set Screws Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *