SI FANG 150mm Diamond Round File, 6" Needle File for Metalwork Sanding, Modelling Files & Rasps Hand Sharpening Tools with Rubbery Handle, Suitable for Grinding Jewellery Metal Tile Glass Stone Wood …

• 📌 【PACKING】1Pcs 6-inch/150mm round diamond file. The material of this file set for metal is diamond coating and carbide steel, which can increase the service life and product strength to a greater extent.
• 📌 【SUPERIOR PERFORMANCE】This needle file set has good heat dissipation performance, so that the surface of the workpiece will not be blackened, discolored or left behind due to overheating during grinding. There is little noise and dust during grinding, and it will not cause danger due to rust and fall off like a wire brush. The non-slip plastic handle is comfortable to hold.
• 📌 【SHARP AND WEARABLE 】6 inch metal file diamond coating : Both sides. Cuts into welds and hardened surfaces where other files can't. Diamond alloy files are made of high-strength diamond and high-quality substrate electroplating, which are sharp, wear-resistant, high-strength, possess physical properties, strengthen and wear-resistant properties.
• 📌 【WIDELY APPLI】Diamond files are most suitable for fine work and can be used for high-speed steel with a hardness of 69. It is especially effective for metals such as stainless steel, titanium metal and high nickel alloys. Widely used in various molds, models, parts, handicrafts and other industries, such as: grinding, polishing, engraving, cutting, correction, etc. of jade, ceramics, glass, crystal, metal, cemented carbide and other parts.
• 📌 【SPECIFICATIONS】Round file: total length: 233mm working length: 130mm(5.12 inch) , file thickness: 6mm(1/4 inch).

Specification: Color: Silver + Red Material: Diamond Sand Size: 150mm/ 6inch Length: 233mm Thickness: 6mm Type: Round Coating : Both sides Quantity: 1pcs Package Included: 1pcs 150mm Diamond File Usage Rules Follow the following rules to extend the service life Use one side of the new file first, then use the other side after this side is blunt. In the process of using the file, always use a copper wire brush (or wire brush) to brush the debris embedded in the tooth groove along the direction of the tooth pattern of the file. After use, all the debris must be carefully brushed off before storage. When using a file, the speed should not be too fast, otherwise it is easy to wear prematurely. The best frequency of the file back and forth is 40 times/min. The use length of the file occupies 2/3 of the full length of the tooth surface of the file. The diamond file can be used with water, but not other liquids such as oil, acid, alkali, etc., which will corrode the diamond file. Diamond files are widely used for frustrating hard metals, but not for frustrating soft metals, such as aluminum, copper, etc. Do not use files as other tools, such as knocking, prying, pressing, twisting, pulling, and hitting.