Metric drill size

21 mm

21 mm is the canonical metric drill size record. It links every catalog project that names this size for either barrel or as an approved alternative (2 related kits and projects).

Related kits / projects2

Drill products0

Sellers / makers1

Source links1

Kit cross-reference

Kits and projects requiring this size

Cigar Holder / Cigar Tube Turning KitsWoodcraft / WoodRiver · 158709 (Woodcraft Gold); 158710 (gunmetal); 158711 (chrome)tube count per kit: not stated; replacement tube sku: 158713; replacement pack: 5 pairstubeOpen project →CIGAR HOLDER KIT WOODCRAFT GOLDWoodcraft / WoodRiver · 158709158713tubeOpen project →