Order by 24/7 by web, contact our sales reps or call by phone.
What you need, when you need it, all in one place.
Most orders ship same day.
Advice and support from knowledgeable professionals.
The Würth #8-32 x 1/2" truss head machine screw is a short-reach fastener for mounting cabinet knobs, pulls, and decorative hardware to thin door panels and drawer fronts. The 1/2" length seats the hardware flush against the face without over-penetrating shallow panel stock, and the zinc finish keeps the shank protected in dry indoor environments.
The 1/2" length is the right call when the combined panel and hardware depth leaves little room. Standard knob machine screws run 1" or longer, which suits thick slab doors, but thin overlay doors, veneered MDF fronts, and some aluminum-frame cabinet doors call for a shorter screw to avoid visible tip protrusion or hardware distortion. At 1/2", this screw threads into the hardware fitting and draws the piece snug without punching through the back face of shallow stock. It also works well for drawer fronts with a built-in recess or for hardware that has a deep threaded barrel already taking up much of the available depth.
The truss head's wide, shallow profile sits flat against the hardware backplate and spreads clamping load across a larger contact area than a pan or flat head would in the same hole. That matters on decorative hardware with thin backing plates, where a narrow head can dimple or tilt as the screw seats. The 8-32 fine thread is the industry default for North American cabinet knobs and pulls, so this screw threads directly into the hardware without adapters or specialty nuts. The blunt point keeps the thread engagement clean in a pre-tapped hole and prevents the tip from catching or deforming the fitting as the screw is driven home.
The Phillips/Slotted combination recess accepts a #2 Phillips driver or a flat-blade driver, which means the screw can be installed or adjusted with whatever is at hand. On a cabinet installation site, that flexibility reduces the chance of a job stalling because a specific bit is missing. For finish work where the screw needs to be snugged carefully by feel, the slotted recess gives good tactile feedback at low torque. Drive at moderate speed, seat the hardware flush, and stop — the fine thread and blunt point do not require heavy torque to hold.
When the door or drawer front panel is thin, or when the hardware fitting already has a deep barrel that takes up part of the available depth, a 1/2" screw seats the hardware without the tip protruding through the back face of the panel. Longer screws suit thicker stock; 1/2" is the choice when depth is limited.
Yes. The 8-32 thread is the North American standard for cabinet hardware, so it is compatible with virtually all knobs and pulls sold through hardware and cabinetry suppliers.
The truss head has a wider, flatter profile that spreads the clamping load over a larger area of the hardware backplate. This helps keep thin hardware bases flat and even as the screw seats, rather than allowing a narrower head to dimple or tilt the fitting.
Yes. As a machine screw with a blunt point, it threads into a pre-tapped hole in the hardware or into a nut on the reverse side of the panel. It does not self-tap into wood or sheet material.
The zinc finish is rated for dry indoor environments. For installations exposed to moisture or humidity, choose a stainless or otherwise corrosion-resistant fastener.
When depth is tight and the hardware standard is 8-32, this 1/2" zinc truss head machine screw gives cabinet installers and finish carpenters a clean, low-profile fastener that seats hardware correctly the first time without over-penetrating the panel.
Sold In: 100 Each