Drilled cheese head screws , fully threaded , for temperatures above 260 degrees c .温度高于260用全螺纹钻孔用圆柱头螺钉
Fasteners . bolts for corrugated steel pipes . part 2 : cheese head screws , with or without nibs . product grade a 紧固件.波纹钢管用螺栓.第2部分:带尖或不带尖的圆头螺钉. a级产品
Subland twist drills with parallel shank for clearance holes and counterbores for hexagon socket head cap screws and slotted cheese head screws 留隙孔用直柄多刃阶梯麻花钻和内六角头圆头螺钉和一
Subland twist drills with morse taper shank for clearance holes and counterbores for hexagon socket head cap screws and slotted cheese head screws 留隙孔用直柄多刃阶梯麻花钻和内六角头圆头螺钉和一
