M6-M16 Gecko Flat Burst Expansion Screws | 304/316 Stainless Steel or Galvanized | Top Burst Blasting Bolts

These heavy-duty expansion bolts are designed for demanding structural and industrial fastening into concrete, brick, and solid masonry. Available in premium 304/316 stainless steel or galvanized fini...
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Questions about this product
- What are these Gecko Flat Burst Expansion Screws best used for?
- These heavy-duty expansion bolts are ideal for demanding structural and industrial fastening. You can use them to secure structural steel, machinery, or railings to concrete foundations, and for anchoring heavy shelving or fixtures to brick and solid masonry walls.
- What sizes do these expansion bolts come in, and what drill bit do I need?
- We offer these expansion bolts in metric sizes M6, M8, M10, M12, and M16. For installation, you'll need a drill bit 1-2mm larger than the bolt size; for example, an M10 bolt requires a 12mm drill hole.
- What materials are these expansion screws made from and which is best for outdoor use?
- These expansion screws are available in 304 stainless steel, 316 stainless steel, or galvanized steel. For outdoor, marine, or high-moisture environments, the 316 stainless steel option offers the best corrosion resistance.
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