| 摘要 |
PROBLEM TO BE SOLVED: To provide a suction pipe for a machine screw fastener effective to a plurality of machine screws having a different diameter, in the present disclosure.SOLUTION: In the light of the problem, the present disclosure is a machine screw fastener capable of fastening a plurality of kinds of object machine screws different in a head part diameter. The machine screw fastener is provided with a bit insertion part formed in a cylindrical shape, a bit arranged inside the bit insertion part, rotatable around a shaft and engageable with the object machine screw, a bit driving part capable of driving the bit in the axial direction, a suction mechanism for sucking the object machine screw and a suction pipe formed in a cylindrical shape and held by the bit insertion part, and the suction pipe is provided with a hole part of a diameter sufficient for inserting the bit and smaller than the head part diameter of a minimum object machine screw among the plurality of kinds of machine screws.SELECTED DRAWING: Figure 3 |
