Triangle Files feature three flat cutting faces and sharp edges, making them ideal for filing internal angles, V-grooves, and acute corners. Their precise geometry also makes them a standard tool for hand saw sharpening.
Produced from high-quality carbon steel with controlled heat treatment, triangle files offer consistent cutting performance and durability for both industrial and maintenance applications.
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Product Details
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.
Technical Specifications
|
Parameter |
Description |
Material |
Carbon Steel |
|
Product Type |
Triangle File |
Hardness |
HRC 60-65 |
|
Cross Section |
Triangle |
Edge Type |
Sharp / Safe Edge (optional) |
|
Cut Type |
Double Cut |
Standard |
DIN / GB |
|
Length |
4"/ 6"/ 8" / 10"/ 12"/ 14"/16" |
OEM / ODM |
Supported |
| GB | DIN | ||||
| Inch | mm(L) | mm(b) | Inch | mm(L) | mm(b) |
| 4" | 100 | 7.8 | 4" | 100 | 7.8 |
| 6" | 150 | 10.8 | 6" | 150 | 10.8 |
| 8" | 200 | 12.2 | 8" | 200 | 14.8 |
| 10" | 250 | 15.2 | 10" | 250 | 17.3 |
| 12" | 300 | 18.2 | 12" | 300 | 19.8 |
| 14" | 350 | 21 | 14" | 350 | 23.8 |
| 16" | 400 | 25 | |||
Key Features
Three precision-cut filing surfaces
Sharp edges for accurate angle filing
Controlled tooth spacing for smooth cutting
Available with safe edge options for selective filing
Applications
Filing V-grooves and internal angles
Cleaning sharp corners
Sharpening hand saw teeth
Light fitting and finishing work
Why Choose Our Triangle Files
Uniform tooth cutting quality
Stable heat treatment process
OEM branding and packaging supported
How to Choose the Right Triangle File
Slim / Extra Slim
Fine saw sharpening
Standard Triangle
General angle filing
Short Length
Precision control
Long Length
Higher filing efficiency
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