To accurately set drill depth, simply place a DrillStop ring over the drill bit at the required depth, then drill until the ring is reached.
Makita Canada Inc
70 Drill bits, Power tool accessories
The Alberti Drill Depth Stop - ALBERTI DESIGN
Wolfcraft Drill Guide - Screwfix
7 pc. DrillStop Set™ - Milescraft
Veritas Drill Stop Gauge - Lee Valley Tools
Metex DrillStop Hi-Vis Drill Depth Indicator 18 Pack - Screwfix
Corefix 100 Dot & Dab Wall Fixing 6 Pack c/w Drill Bit - Metex
Makita Canada Inc
Metex DrillStop Hi-Vis Drill Depth Indicator Rings 18 Pack
Depth Stop Drill Bit, 18 Piece Drill Stop Collar Set Positioner
Marxman Multi-Surface Drill Hole Marking Tool For 50-100mm Fixture
Metex DrillStop Hi-Vis Drill Depth Indicator Rings 18 Pack