作者: Thomas G. Guzda , Jan Guzda
DOI:
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摘要: The invention relates to a pilot guide and hole-cutting saw system for cutting deep holes through an indeterminate depth of material while eliminating the problem drift wobble associated with use conventional hole saws. comprises guide, being comprised stop, front rear pin. pin is created by fitting central apertures stop over second end aperture base portion so that terminates inside without passing entirely guide.