What is the difference between drywall screws and self-tapping screws? - Knowledge

1. Different uses: Drywall screws are mainly used for the installation of various gypsum boards, lightweight partition walls, and ceiling series. Self-tapping screws are used for non-metallic or softer metals without drilling low holes and tapping.drywall screw setter

Buggle Head Drywall Screw (1)

PIC:Buggle Head Drywall Screw / Drywall dimpler bit

2. The characteristics are different: the characteristic of the drywall screw is the shape of the horn head. The characteristic of the self-tapping screw is that it has low screw-in torque and high locking performance, which has better working performance than ordinary self-tapping screws and can replace the machine Using screws.

Buggle Head Drywall Screw (2)

PIC: Self-tapping drywall screws / Lowes drywall screws

3. Different classifications: drywall screws are divided into double-line fine-tooth dry-wall screws and single-line coarse-tooth drywall screws. Self-tapping screws can be divided into round head self-tapping screws according to different heads, flat head (ie countersunk head) self-tapping screws. Tapping screw, top column head self-tapping screw, dome wide-side head self-tapping screw, large round head (that is, large flat head) self-tapping screw, hexagonal socket head self-tapping screw, hexagonal socket head washer head self-tapping screw, hexagonal head Self-tapping screws, etc.

Buggle Head Drywall Screw (3)

PIC: Drywall screws and anchors / Self-drilling drywall screws

According to the groove type, there are four kinds of self-tapping screws one-word groove head type (also called slotting), cross groove head type self-tapping screws, eleven-word composite groove head type self-tapping screws, and rice-shaped groove head type self-tapping screws. The standard can be divided into national standard (GB) self-tapping screws, German standard (DIN) self-tapping screws, American standard (ANSI) self-tapping screws, and British standard (BS) self-tapping screws.

Buggle Head Drywall Screw (4)