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Three Square File is a metal cutting and grinding hand tool, made of carbon tool steel T12 (1095, Cr06, 130Cr2) with a carbon content of 1.15%-1.25%, product hardness HRC60-65, suitable for metal and hard non-metal Cutting and grinding of articles. It is produced in accordance with GB 5803-5815, GB/T 806, American standard GGG-F-325b, and European standard DIN6261-7285. The products are produced through processes such as hot forging, grinding, tooth cutting, quenching, and surface sandblasting.
Product Features
1. Cutting handtools,grinding handtools
2. Carbon tool steel T12
3. >HRC60
Main Parameter

| Inch | Length(mm) | Width(mm) | Teeth | Price(USD) | |
| 6 | 150 | 10.8 | Bastard | 0.33 | |
| Second Smooth | 0.35 | ||||
| Smooth | 0.39 | ||||
| 8 | 200 | 12.5 | Bastard | 0.43 | |
| Second Smooth | 0.46 | ||||
| Smooth | 0.52 | ||||
| 10 | 250 | 15.5 | Bastard | 0.69 | |
| Second Smooth | 0.73 | ||||
| Smooth | 0.79 | ||||
| 12 | 300 | 18.5 | Bastard | 0.99 | |
| Second Smooth | 1.03 | ||||
| Smooth | 1.11 | ||||

| Registration Date | 2022/11/04(Year/Month/Date) |
|---|---|
| Buyer / Seller in EC21 | Seller |
| Business Type | Manufacturer |
| Year established | 2001 |
| Employees total | 51 - 100 |
| Annual revenue | USD 10,000,001 - 50,000,000 |
| Company | Shijiazhuang Shuangjian Tools Co.,Ltd |
|---|---|
| Address | Shuangjian RD, Luquan DistrictShijiazhuangHebei050200China |
| Phone | 86 - 0311 - 83982077 |
| Fax | 86 - 0311 - 83982077 |
| Homepage | bi-sword.com |
| Contact | Harvey Xu |