Overview Product Description Thread: Metric Coarse Material: Yellow Zinc Plated Steel An anchor bolt is a fastener used to attach objects or structures to concrete. Drill size is 11mm Product Videos Custom Field Product Reviews Write a Review Write a Review × M6 Metric Coarse Yellow Zinc Plated Masonry Shield Anchor Bolts Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *