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The Blum #4 x 1-3/8 inch countersunk chipboard screw is a dedicated installation fastener sized and finished to match Blum cabinet hardware. Packed 1000 to the box, it is a practical stocking item for cabinet shops and installers running Blum hinges, drawer systems, and mounting plates.
This screw is engineered around the installation requirements of Blum hardware. The 1-3/8 inch length provides thread engagement suited to 3/4-inch cabinet panels without over-penetrating the back face, and the #4 gauge matches the pre-bored holes in Blum hinge plates and mounting brackets. When a hardware manufacturer specifies the fastener alongside the product, using that screw removes one variable from the installation: the fit is already confirmed.
Cabinet interiors built around Blum hardware often leave screw heads visible at hinge plates, drawer slide brackets, and clip mounts. The nickel finish on this screw keeps those heads consistent with the hardware finish rather than introducing a contrast that draws the eye. It is a detail that matters most in frameless cabinetry and glass-door applications where the interior is regularly seen.
For a cabinet shop running Blum hardware across a full kitchen or bath project, screw consumption adds up quickly across hinges, drawer systems, and mounting plates. A 1000-piece box sized to the correct gauge and finish means fewer mid-job restocking interruptions and consistent fasteners from the first cabinet to the last. Contractors and installers sourcing hardware for production runs will find this pack size practical for both shop use and job-site kitting.
This screw is a Blum-specified fastener designed to install Blum cabinet hardware, including hinge plates, drawer slide mounting brackets, and related clip-mount components. The gauge and length are matched to Blum's pre-bored hardware holes.
The countersunk head is designed to self-countersink in particleboard and MDF as it seats, so a separate countersink step is typically not needed in those substrates. In harder materials, a pilot hole is advisable to ensure clean seating.
The nickel finish provides a visual match to Blum hardware in cabinet interiors. It is specified for interior cabinetry use in dry environments, not for exterior or high-humidity applications.
The sharp point self-starts in particleboard, MDF, and softwood — the materials most commonly used in cabinet box construction. A pilot hole is recommended in hardwood to prevent splitting.
The box contains 1000 screws.
Blum hardware is engineered to close tolerances, and the fastener is part of that system. Using the specified screw in the correct gauge and finish means the hardware seats correctly, adjustments hold, and the finished cabinet interior looks intentional from door to drawer.
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