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This Würth M4 x 22mm truss head machine screw is a fine-thread zinc-plated fastener designed for attaching cabinet knobs, pulls, and decorative hardware to doors and drawer fronts. The Phillips/slotted combination drive and broad truss head make it a practical choice for installers who need reliable hardware mounting in a metric-threaded screw.
The M4 thread is widely used in European and metric-standard cabinet hardware, including knobs, bar pulls, cup pulls, and bin pulls designed to the M4 specification. The 22mm length is sized to pass through a standard door or drawer front and thread into the hardware's mounting post. The blunt point seats cleanly into the pre-tapped hole in the hardware without catching or self-starting into adjacent material, keeping the installation controlled and repeatable. The truss head's wide bearing flange holds the hardware face flush against the door or drawer without concentrating load on a small area.
The screw body is zinc-plated steel. Zinc plating provides a standard level of corrosion protection that is appropriate for interior cabinet hardware installations in dry, climate-controlled environments. The zinc finish also gives the screw shank a clean, neutral appearance that disappears behind the hardware once installed. This screw is for indoor work. If the application involves moisture exposure or exterior conditions, a more robust coating should be specified.
Cabinet shops, finish carpenters, and hardware installers who work with metric-threaded pulls and knobs will find the M4 x 22mm size a consistent match for European hardware lines. The combination drive is useful in tight spaces behind drawer fronts or inside cabinet doors where bit changes slow the work down. A single box of 1,000 screws covers a full run of hardware installs without repeated reordering. For shops sourcing metric hardware in quantity, this screw keeps the supply chain simple.
This screw is compatible with knobs, pulls, and decorative hardware manufactured to the M4 metric thread standard. M4 is a common thread used on European-style cabinet hardware. Always confirm the thread specification on the hardware being installed before ordering.
No. The truss head is a non-countersunk head with a flat bearing surface. It bears directly against the back face of the door or drawer front without requiring a countersink hole.
Yes. The combination recess accepts a standard #2 Phillips driver. A flat-blade driver also fits the same recess, giving you two common driver options in one screw.
The zinc plating on this screw is rated for dry indoor environments. It is not recommended for exterior, wet, or high-humidity applications where a more corrosion-resistant coating would be needed.
No. M4 metric and 8-32 UNC are close in diameter but use different thread pitches and are not interchangeable. Check the hardware specification to confirm which thread standard is required before substituting.
When the job calls for M4 metric hardware mounting with a wide bearing head and a drive that works with the bits already in the bag, this screw covers the need cleanly and at volume.
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