Hexalobular socket heat cap screw with large driving feature 大扳拧矩内六角头螺钉
2.
Milling cutters - counterbores for hexagon socket head bolts 铣刀.内六角头螺栓用埋头孔
3.
Counterbore for hexagon socket head bolt 内六角头螺栓埋头孔
4.
Hexagon socket screw keys 内六角头螺丝扳手
5.
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
6.
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
