Self drilling screw
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                Cross countersunk drill tail – short
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                Cross flat head drill screw – blue head
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                Cross flat head drill screw – white head
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                Cross thin round head drill screw – Dacromet
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                Round head drill screw with plum blossom
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                Plum pan head drill screw. – Dacromet
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                Plum pan head with cushion drill screw – Dacromet – blue head
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                Plum pan head with cushion drill screws – Dacromet
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                Hexagonal flange drilling screws – blue head
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                Hexagonal flange drilling tail – Dacromet + stainless steel + red color
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                Hexagonal flange head drilling screws – Dacromet
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                Hexagonal flange head with wing drilling screws