hex ceev
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Hex Ceev
Hex txiv ntoo yog ib qho ntawm cov noob txiv muaj feem ntau muaj thiab siv nrog anchors, bolts, screws, studs, threaded rods thiab ntawm lwm yam fastener uas muaj lub hau ntswj xov. Hex luv rau hexagon, uas txhais tau tias lawv muaj rau sab
