Drywall Screws

The defining feature is the bugle head: a curved underside that presses a shallow dimple into the paper without breaking it, so the joint compound can cover it flat.

Specification options

Available options. Actual capability is confirmed on enquiry.
Volume range	M1.0 – M5.0
Maximum size	M16
Standards	DIN 18182 · ASTM C1002 · ASTM C954
Materials	see Materials
Finishes	see Finishes
Minimum order	From 10,000 pcs, depending on the part

Head styles

Bugle

Drive types

Phillips

When to choose each →

Choosing the thread

Coarse

For timber framing. Larger pitch to grip wood fibre.
Fine

For light steel framing. Smaller pitch so the thread does not collapse cutting thin steel.
Hi-lo

Alternating thread heights reduce driving torque; used in thicker or harder substrates.

Where it most often goes wrong

Each of these causes scrapped lots or rework on the floor. None of them is theoretical.

Coarse and fine swapped. The most common error on site. Coarse into steel framing will not hold; fine into timber has insufficient grip.

Driven through the paper. Once the paper face is broken that screw has no holding power and filler will not hide it. Use a depth-limiting dimpler bit.

Used structurally. Drywall screws are brittle — hardened for driving, with poor shear and tensile capacity. They hold board. They do not hang loads or make structural connections.

How length is measured

One rule covers it: if the head sinks into the work, measure overall; if it stays on the surface, measure under the head.

Three head styles compared: countersunk measured overall, oval to the cone intersection, pan under the head — The red line is the datum. Heads that sink into the work are measured overall; heads that stay on the surface are measured under the head.

Measurement datum by head style
Head style	Datum	Why
Countersunk (flat)	Overall length	The head sits flush in the countersink, so it counts
Oval (raised countersunk)	Overall to the head diameter	The cone sinks, the dome stays proud; measure to where they meet
Pan / round	Under head	The head stays entirely on the surface
Button	Under head	Same
Hex / hex washer	Under head	Same
Socket head cap	Under head	Same

Full explanation →　 Where the standards stop at this size →　 Tolerance stack-up and the screw →

Enquiries

Drywall Screws come in a lot of combinations. Tell us the item, size, material, finish, annual usage and application, and we will come back on feasibility and lead time. A drawing or a sample is fastest — quoting against the real part saves a great deal of guessing.

Volume range M1.0 – M5.0, standard fasteners up to M16. Minimum order From 10,000 pcs, depending on the part.

sales@screwkingtw.com