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Pêlên Serê Hexagon: Hêza wan a Sererdehê vekin
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Hêza Şewqê ya Bolt Pola zengarnegir
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The Expanding Grip of Expansion Screw
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Xalê Xwe-Pircing of Nail Self-tapping
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Dansa Spiraling ya Hexagonê Tevahiya Mijara Screw
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Polygona Kamil ya Gûzên Hexagonê
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Hêza Six-Sided of the Hexagon Head Screws
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The Coiled Tension of Spring Lock Washers
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Mertalê Dorpêç a Washers Tîpa A
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Hexagon Flange Head Drilling Screws With Tapping Screw Thread