SATA 03870 Bộ dũa kim cương 3 chi tiết 4mm x 160mm

SATA 03870, 3-piece diamond needle file set, 4mm x 160mm
3Pcs Diamond Needle File Set
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The set includes
　‣　SATA 03831: Flat File
　‣　SATA 03832: Pointed Half-Round File
　‣　SATA 03835: Pointed Round File
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Specifications
File size: 4mm x 160mm
Working length: 70mm
Grit size: D150 (#150)
Material: #45 steel, high-hardness artificial diamond-plated surface
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Highlights
★　The set includes 03 most common file types (flat, half-round, and round), meeting most needs for processing, deburring, and finishing mechanical parts.
★　Made from high-quality #45 steel, with good hardness and durability, providing stable processing performance and long service life.
★　Specially designed for fine processing of high-hardness materials, suitable for mold making, tool repair, and precision mechanics.
★　The three file shapes complement each other, helping to effectively handle flat surfaces, curved surfaces, round holes, and small grooves with just one tool set.