standard

1 5/8 Inch Drill Bit Standard

This page provides standardized, specification-oriented reference information.

Specifications

Specification	Value
Diameter	1 5/8 inch (1.6250 in)
Common Uses	Oversize holes in wood; commonly hole saw/auger applications; verify arbor and pilot compatibility
Shank	Often hex or reduced shank; verify chuck capacity

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Last updated: February 23, 2026