HOLLAND STEEL NAIL - BLACK - Xian Yik Hardware

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Holland Black Steel Masonry Nails (黑钢丁)

The NB Series consists of high-performance masonry nails known as "Holland Steel Nails" or "Black Steel Nails" (黑钢丁). These fasteners are specifically engineered for high-density materials, including concrete, solid brick, and stone. Forged from high-carbon steel and finished with a black phosphated or oxide coating, they offer extreme hardness and resistance to bending while providing a discreet, anti-reflective finish for industrial and structural applications.

Product Specifications

Type: Black Masonry / Concrete Nail
Material: Hardened High-Carbon Steel
Finish: Black Phosphated (Corrosion resistant and low-glare)
Shank Type: Smooth, high-strength shank
Application: Heavy-duty masonry fastening, securing timber to concrete, industrial renovations, and structural brickwork.

Available Variations

Model Code	Size (Length x Diameter)	Description
NB-01620	16mm x 2.0mm	Short, precision masonry fastening
NB-02020	20mm x 2.0mm	Standard light-duty concrete fixing
NB-02520	25mm x 2.0mm	General masonry and brickwork
NB-03020	30mm x 2.0mm	Multi-purpose black steel nail
NB-04025	40mm x 2.5mm	Medium-duty timber-to-concrete fixing
NB-05030	50mm x 3.0mm	Industrial strength masonry nail
NB-06030	60mm x 3.0mm	Long-reach concrete fastening
NB-06034	60mm x 3.4mm	Heavy-duty shank for dense substrates
NB-07542	75mm x 4.2mm	Extra heavy-duty structural nail
NB-10042	100mm x 4.2mm	Maximum penetration for large timber beams

Key Features

Exceptional Hardness: Produced through a specialized tempering process that enables the nail to be driven directly into aged concrete and hard brick without pre-drilling.
Discreet Black Finish: The black oxide/phosphated coating provides a level of corrosion resistance while ensuring the nail head blends into dark wood or industrial settings.
High Shear Resistance: The thick-gauge shank is designed to withstand significant lateral forces, making it ideal for structural attachments.
Impact Strength: Engineered to absorb the energy of heavy hammer strikes, preventing the nail from shattering or snapping under pressure.
Comprehensive Size Range: Available in lengths from 16mm for thin trim to 100mm for heavy timber framing.