Screwdriver bit

The ornamental design for a screwdriver bit, as shown and described.

FIG. 1 is a perspective view of the screwdriver bit.

FIG. 2 is an end elevational view of the screwdriver bit.

FIG. 3 is a side elevational view of the screwdriver bit along the line 3—3 of FIG. 2; and,

FIG. 4 is a side elevational view of the screwdriver bit along the line 4—4 of FIG. 2.

Patent	Priority	Assignee	Title
D983003,	Dec 24 2017	IPP industries Sàrl	Screw driver bit

Patent	Priority	Assignee	Title
2182568,
2389129,
2859782,
3913647,
4998454,	Nov 14 1988	BLACK & DECKER INC , NEWARK, DE A CORP OF DE	Screwdriver bit for phillips-head fasteners
6164171,	Mar 13 1998	Max Co., Ltd.	Screwdriver used for screw tightener and screw suitably tightened by the screwdriver
6253403,	Dec 31 1997		Tool incorporating writing mechanism
6289775,	Nov 17 1998		Screw driver with four fan-shaped blades
D311483,	Nov 14 1986	Helen P., Espin	Screw driver bit
D410372,	Mar 02 1998	WERA WERK HERMANN WERNER GMBH & CO	Screwdriver bit
D455627,	Jan 03 2001		Screwdriver head
D455943,	Mar 02 2001		Screw driver with a cross-head end tip for locking insertion into a screw head
D474388,	Apr 12 2002		Screwdriver bit

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