各种进口,国产不锈钢.铁材质的内六角螺栓,国标内六角螺丝,英制内六角螺丝,美制内六角螺丝.***小规格有M2x42x52x62x82x102.5x42.5x52.5x62.5x82.5x102.5x123x4x3x53x63x83x103x123x163x203x254x64x54x64x84x104x124x164x204x254x304x354x404x454x505x65x85x105x125x165x205x255x305x355x405x455x505x555x606x86x106x126x166x206x256x306x356x406x456x506x556x606x656x708x108x128x168x208x258x308x358x408x458x508x558x608x658x708x758x808x858x908x958x100另外还有20常用内六角螺丝)