• 5 in. diameter
• Used with core bit 48-20-5160
• For bit stability - reduces bit walk
Use with Core Bit 48-20-5160 and Center Pin 48-20-5199 for starting a 1-1/4 inch hole. After drilling to a depth of approximately 1/4 inch, stop hammer, remove guide plate and center pin, place core bit back into the grooved area and resume drilling to required depth of hole.
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