Awọn ohun elo akọkọ mẹta wa fun ite 12.9 bolts (12.9 wedge oran, 12.9 nipasẹ boluti): erogba, irin gbe oran, irin alagbara, irin gbe oran, ati Ejò. (1) Erogba irin (gẹgẹ bi awọn erogba, irin Wedge Anchor Bolts). A ṣe iyatọ irin kekere erogba, irin erogba alabọde, irin erogba giga ati ...
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