Meet the BOSCH NK-138 1-3/8 In. Collated Wood-To-Concrete Nails — the reliable fasteners you reach for when you’re attaching wood to concrete. Crafted for use with Bosch’s GNB18V-12 cordless 18V Concrete Nailer, they blend strength with straightforward setup so your project doesn’t fight you at every turn.

Key Features & Design

• Knurled structure – nails attach wood to concrete.
• Designed for use with the GNB18V-12 cordless 18V Concrete Nailer – a perfect pairing for Bosch systems.
• ICC Tested & Certified – the nails and the GNB18V-12 Concrete Nailer were tested and certified together.
• 22-shot collated magazine – included with nailer; 44-pin extra-capacity magazine sold separately.
• Cordless convenience – ideal replacement for gas-powered concrete nailers, eliminating the need for consumable gas cartridges.
• Color / Finish – Zinc
• Material – Steel
• Size – 1-3/8 in

Whether you’re framing, decking, or fastening wood to masonry, these nails deliver a steady hold with Bosch reliability. Pair them with the GNB18V-12 for a clean, gas-free workflow that gardeners and builders alike can appreciate.