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This Würth M4 x 30 mm machine screw is a truss head fastener with a Phillips/slotted drive, fine thread, and zinc finish, packaged 100 to a box. At 30 mm, it covers the range of panel thicknesses and hardware stacks where a shorter screw would fall short and a longer one would protrude.
Thirty millimeters is a practical length when the fastening path includes a drawer front, a door panel, or a hardware backplate that adds thickness before the screw reaches its mating thread. A 25 mm screw may not engage enough thread depth in those stacked assemblies. A 39 mm screw often protrudes on the interior face. The 30 mm length threads fully into the hardware fitting and stops cleanly without overhang, making it a dependable fit for thicker door and drawer front combinations common in frameless and European-style cabinet builds.
The truss head sits flat against the surface and spreads its clamping load over a wider footprint than a pan or flat head of the same gauge. That wide bearing surface is useful when the screw seats against a decorative pull backplate, a hardware bracket, or a surface that benefits from load distribution rather than point contact. The zinc finish protects against corrosion in dry indoor environments, which covers the vast majority of cabinet and furniture hardware installations. The Phillips/slotted recess gives installers flexibility: drive it with a #2 Phillips bit during production runs or reach for a flat-blade when that is what is at hand.
Cabinet installers working through a kitchen or bath project with thicker door profiles will find the 30 mm length removes the guesswork about engagement depth. Hardware specifiers sourcing fasteners to accompany pulls and knobs on overlay or inset doors appreciate that M4 is a recognized thread standard across European-style hardware. Shop teams building frameless boxes with applied drawer fronts can stock this alongside their standard hardware fasteners and pull from the same box for multiple door and drawer thickness combinations in the same run.
When the fastening path passes through a thicker door panel, a decorative backplate, or a stacked hardware assembly, 30 mm provides the additional thread engagement that 25 mm may not reach. If your door or drawer front is on the thicker side of the standard range, 30 mm is the safer call.
No. The truss head is a non-countersunk profile. It sits flat on the surface and bears against the material or hardware face without needing a recessed seat.
Either works. The combination recess accepts a #2 Phillips bit or a flat-blade driver. Phillips is the practical choice for powered installation; the slotted option is there when a flat-blade is the tool available.
The zinc finish is rated for dry indoor environments. It is not recommended for outdoor, wet, or high-humidity applications.
M4 is a recognized thread standard used across European-style cabinet hardware. Confirm the hardware specification calls for M4 before ordering, as North American hardware commonly uses 8-32 thread instead.
When the job calls for an M4 machine screw with enough reach for thicker hardware assemblies and door panels, the 30 mm length delivers the thread engagement needed without over-penetrating — backed by a truss head, combination drive, and zinc finish built for indoor cabinet work.
Sold In: 100 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 100 Each | WW48600 Mfr# 0231011439961 100 | Würth M4-39mm Truss Head Machine Screw Phillips/Slotted Drive - Blunt Point Fine Thread Zinc, 0231011439961 100 - 100/Box | ||||
Sold in: 100 Each | WW48400 Mfr# 0231011425961 100 | Würth M4-25mm Truss Head Machine Screw Phillips/Slotted Drive - Blunt Point Fine Thread Zinc, 0231011425961 100 - 100/Box |