12'' inch Diamond Coated File Flat Style Grit 120 Needle Board File Filling Tool Hand Tool for Grinding on Glass, Stone, Ceramic, Marble, Rock, Bone Code: CD-300mm-Flat Product Description: 12" Inch Diamond Coated Flat File 120 Grit Needle Board Metal Woodworking Tool
Working area: 28mm x 260mm Thickness : 5.3mm Length: 300mm ( not include the handle) Total Length: 430mm (include the handle) Grit :120 (coated both sides) Come with clear plastic sleeve. 1.New ONE piece of 12 inch long diamond coated FLAT file,Come with plastic sleeve. The file handle is made of premium quality rubber and plastic materials and features ergonomic shape. 2.It' s no-slip and comfortable to keep a firm and long time hold even in wet and oil conditions and ensures excellent impact resistance, precise and uniform, clear teeth. Rust protection on the piece and the file itself. 3.WIDE APPICATION:Our flat cut hand file can be used for processing hard wood, deburring, trimming and chamfering, polishing rough machining, heavy duty usage. Great for filing glass, ceramic, rock, carbide, gold, platinum, silver.but not for frustrating soft metals, such as aluminum, copper, etc. 4.High quality Grit 120 (coarse) diamond coating. Coating : Both sides Note: 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. 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. Use one side of the new file first, then use the other side after this side is blunt. Do not use files as other tools, such as knocking, prying, pressing, twisting, pulling, and hitting.When using files, do not use too much force to avoid breaking or deforming. Regular Air postage from China to United States is FREE and takes 15-25 days delivery to your home. We will send out your order within 1-2 days after payment has been received and cleared.