Title:
CAP BOLT USED WITH PHILLIPS SCREW DRIVER
Document Type and Number:
Japanese Patent JP2019148331
Kind Code:
A
Abstract:
To provide a cap bolt provided with a phillips-head driver groove to eliminate defects that it is necessary to select a hexagonal wrench fittable to a size of a hexagonal hole, which degrades work efficiency, and further the hexagonal wrench is hard to rotate, which wastes a considerable time.SOLUTION: A phillips driver groove 3 is formed at a depth of a hexagonal hole 2 of a cap bolt 1. In a case of the cap bolt 4 of a small diameter, a phillips driver groove 6 is formed at an edge of the bolt.SELECTED DRAWING: Figure 1
Inventors:
MURAKAMI SHIGERU
Application Number:
JP2018048583A
Publication Date:
September 05, 2019
Filing Date:
February 27, 2018
Export Citation:
Assignee:
MURAKAMI SHIGERU
International Classes:
F16B23/00