Timco Masonry Multi-Fix Hex Head Bolt Screw Anchor Anker Bolt Thunder Bolt. M6 M8 M10 M12 M16. Available in M6, M8, M10, M12 & M16 - Hex Head. Multi-Fix Anchor Bolts - Hex Head. It also allows the user to adjust or remove the bolt ensuring a secure and accurate installation.
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