The BM1744AB chip tinning tool stencil is used for chip maintenance of the Antminer Z11 hash board. The BM1744AB tin planting stencil is produced with new technology, which can quickly tin the BM1744AB chip, which is convenient to use and more efficient. The tin mesh adopts environmentally friendly materials and laser cutting parameters, high-temperature resistance, good flatness, and precise hole positions for round and square holes, making the steel mesh more durable, anti-expansion, and non-deformable. It is one of the essential tools for repairing the Z11 hash board.