Glossary

Short, sourced definitions of terms used across the index. Each term links to the definition and its sources; cross-references appear where relevant.

Bearing: Last reviewed 2026-08-21
Bolt: Last reviewed 2026-08-21
Bushing: Last reviewed 2026-08-21
Caliper: Last reviewed 2026-08-21
Chalk line: Last reviewed 2026-08-21
Chamfer: Last reviewed 2026-08-21
Chuck: Last reviewed 2026-08-21
Compression fitting: Last reviewed 2026-08-21
Cotter pin: Last reviewed 2026-08-19
Countersink: Last reviewed 2026-08-19
Dowel: Last reviewed 2026-08-19
Drill bit: Last reviewed 2026-08-21
Drywall anchor: Last reviewed 2026-08-21
Escapement: Last reviewed 2026-08-21
Ferrule: Last reviewed 2026-08-21
Fillet: Last reviewed 2026-08-21
Fitting: Last reviewed 2026-08-21
Gauge: Last reviewed 2026-08-21
Gauge block: Last reviewed 2026-08-21
Grommet: Last reviewed 2026-08-21
Keyway: Last reviewed 2026-08-19
Lag bolt: Last reviewed 2026-08-21
Lathe: Last reviewed 2026-08-21
Level: Last reviewed 2026-08-21
Lock nut: Last reviewed 2026-08-21
Micrometer: Last reviewed 2026-08-21
Mortise and tenon: Last reviewed 2026-08-19
Nut: Last reviewed 2026-08-21
Pawl: Last reviewed 2026-08-21
Pipe clamp: Last reviewed 2026-08-21
Plumb bob: Last reviewed 2026-08-21
Protractor: Last reviewed 2026-08-21
Ratchet: Last reviewed 2026-08-21
Rivet: Last reviewed 2026-08-21
Screw thread: Last reviewed 2026-08-21
Self-tapping screw: Last reviewed 2026-08-21
Socket: Last reviewed 2026-08-21
Split pin: Last reviewed 2026-08-19
Square: Last reviewed 2026-08-21
Tailstock: Last reviewed 2026-08-21
Tap and die: Last reviewed 2026-08-21
Thread pitch: Last reviewed 2026-08-21
Toggle bolt: Last reviewed 2026-08-21
Torque: Last reviewed 2026-08-21
Torque wrench: Last reviewed 2026-08-21
Union: Last reviewed 2026-08-21
Valve: Last reviewed 2026-08-21
Vernier scale: Last reviewed 2026-08-19
Washer: Last reviewed 2026-08-21
Wrench: Last reviewed 2026-08-21