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Square Head Bolts, Bolt Machine Square Head Steel, T oghere bolt, Square Heads Lag Bolts
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Ndị na-asa ihe na square
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Gafeta skru nke mkpọda isi na-akụ onwe ya
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DIN985 Ụdị torque na-emeri ụdị hexagon dị mkpa na ntinye na-abụghị ọla.
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DIN914 Hexagon Socket Tọọ skru na cone Point
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Trapezoidal eriri bolt (Trapzoidal eriri mkpanaka na aku) Trapezoidal eriri (DIN103)
