Step drill bit (bit driver bit)
Step drill bit (bit driver bit)
Narrow area tightening, used in places where the standard bit tip cannot reach. Inner diameter of the tip is 4Φ.
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Step drill bit (bit driver bit)
Narrow area tightening, used in places where the standard bit tip cannot reach. Inner diameter of the tip is 4Φ.
Step drill bit (bit driver bit)
Narrow area tightening, used in places where the standard bit tip cannot reach. Tip inner diameter Φ4.5.
Step drill bit (bit driver bit)
Narrow area tightening, used in places where the standard bit tip cannot reach. Inner diameter of the tip Φ3.