| Property |
Specification |
| Definition |
A type of fastener with a helical ridge (thread) used to hold objects together or position them |
| Material |
Steel (carbon, stainless), brass, aluminum, titanium, plastic |
| Common Types |
Wood screw, Machine screw, Self-tapping screw, Lag screw, Drywall screw |
| Head Types |
Flat, Pan, Round, Oval, Truss, Hex, Bugle |
| Drive Types |
Slotted, Phillips, Torx, Allen (Hex), Robertson (Square), Pozidriv |
| Thread Types |
Coarse, Fine, Machine, Self-tapping, Self-drilling |
| Point Types |
Sharp point, Flat point, Self-drilling point |
| Finish/Coating |
Zinc-plated, Black oxide, Galvanized, Chrome-plated, Painted |
| Sizes |
Varies (e.g., M2 to M20 for metric, or #0 to #14 for imperial) |
| Application |
Woodworking, metalworking, plastic assembly, electronics, construction |
| Installation Tool |
Screwdriver, Power drill, Allen wrench, Torx driver |
| Holding Mechanism |
Threads grip material, often creating a tight friction or threaded connection |