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bolts, screws, rivets, construction keys, fasteners, furniture Assembly concept
Nuts and bolts metal fasteners. Hexagon metal nuts arranges in a tessellation macro, with dramatic lighting to illustrate engineering or construction expertise.
Several various metal fasteners for construction. Self-tapping screw screws, bolt, anker, nuts, washers and washer-grover, close-up on a wooden background.
Art monochrome background of bolts and nuts close up in backlight. Small fasteners in macro.
Rivet and fasteners

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