Product Name: Diamond Needle Files Product Material: High Carbon Steel T12+Diamond Product Application: Combination processing, multi-purpose.Micro-processing of wood and metal, processing watches and clocks, diamonds, all kinds of precision instruments. Product Width: 17.5-23mm Product Thickness: 7-18mm Involved in model: Hand, Half round, Triangular, Square, Round, Flat, Knife, Barrette, Crossing, Oval, Joint round, Feather edge. Specification: 140mm/160mm/180mm Payment&Delivery Details: TT/LC&Within 30-50days after confirming the order Advantage: Durable, Long Working Time, Safe Use, High Hardness
| No | Specification Mm | Width/mm | Thickness/mm | Set Weight/g |
| GT61305 | 3*140*5 | 17.5 | 7 | 50 |
| GT61306 | 3*140*6 | 17.5 | 9 | 60 |
| GT61308 | 3*140*8 | 17.5 | 10 | 75 |
| GT61310 | 3*140*10 | 17.5 | 12 | 90 |
| GT61312 | 3*140*12 | 17.5 | 14 | 110 |
| GT61405 | 4*160*5 | 21 | 9 | 90 |
| GT61406 | 4*160*6 | 21 | 10 | 110 |
| GT61408 | 4*160*8 | 21 | 12 | 135 |
| GT61410 | 4*160*10 | 21 | 14 | 170 |
| GT61412 | 4*160*12 | 21 | 16 | 200 |
| GT61505 | 5*180*5 | 23 | 10 | 140 |
| GT61506 | 5*180*6 | 23 | 11 | 170 |
| GT61508 | 5*180*8 | 23 | 13 | 240 |
| GT61510 | 5*180*10 | 23 | 16 | 280 |
| GT61512 | 5*180*12 | 23 | 18 | 330 |
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● Do not file the oxide layer of the workpiece. The oxide layer is hard and easy to be damaged File teeth. The oxide layer can be polished with a grinding wheel or chiseled off with a chisel. ● Use one side of the new file first, and then use the other side after the surface is blunt. ● In the process of using the file, always use a copper wire brush (or steel wire brush) to brush away the debris embedded in the tooth groove along the direction of the file tooth pattern. After use, carefully brush away all the debris before storage. ● When using the file, do not use it too fast, otherwise it is easy to wear out too early. The best frequency for the file to and fro is 40 times / minute, and the length of the file accounts for2/3 of the total length. ● The diamond file can be used with water, but its teeth cannot be filled with oil, acid, alkali, etc. ● Diamond file is widely used for cutting hard metal, not soft metal. Such as aluminum, copper, etc.Using tools can be dangerous, always take care and keep away from Children. Wear protective eyewear in work area at all time. Select correct type and size of tool for work.The product is made of pure carbon tool steel with high hardness and clear tooth lines. This product is mainly used for combination processing, multi-purpose.Micro-processing of wood and metal, processing watches and clocks, diamonds, all kinds of precision instruments. Can be used alone.
