Size(L) | Width(b) | Thickness(δ) | ||
Diameter | mm | mm | mm | |
Φ3 | 140 | Hand | 5.4 | 1.2 |
Flat | 5.4 | 1.2 | ||
Square | 2.6 | |||
Round | 2.9 | |||
Triangular | 3.6 | |||
Halfround | 5.2 | 1.7 | ||
Elliptic | 3.4 | 2.4 | ||
Bamboo Leaf | 5.5 | 1.9 | ||
Knife | 5.4 | 1.7 | ||
Duck tongue | 5.0 | 1.8 |
Size(L) | Width(b) | Thickness(δ) | ||
Diameter | mm | mm | mm | |
Φ4 | 160 | Hand | 7.3 | 1.6 |
Flat | 7.3 | 1.6 | ||
Square | 3.4 | |||
Round | 3.9 | |||
Triangular | 4.8 | |||
Halfround | 6.9 | 2.2 | ||
Elliptic | 4.4 | 3.4 | ||
Bamboo Leaf | 7.1 | 2.7 | ||
Knife | 7.0 | 2.3 | ||
Duck tongue | 6.3 | 2.5 | ||
Φ5 | 180 | Hand | 9.2 | 2.0 |
Flat | 9.2 | 2.0 | ||
Square | 4.2 | |||
Round | 4.9 | |||
Triangular | 6.0 | |||
Halfround | 8.5 | 2.9 | ||
Elliptic | 6.4 | 4.3 | ||
Bamboo Leaf | 8.7 | 3.4 | ||
Knife | 8.7 | 3.0 | ||
Duck tongue | 7.8 | 3.4 |
Designed for Precision Crafting & Small Metal Finishing
Our Needle Files are crafted from high-quality bearing steel GCr15 (52100), with a quenching hardness above HRC60, ensuring durability and precision in fine metal shaping, repair, and polishing. These files are essential for jewelers, watchmakers, machinists, and precision engineers.
1. Optimized for fine metalwork, jewelry making, and model crafting
2. Available with knurled, dipped plastic, plastic, and two-color handles for enhanced grip and comfort
3. Manufactured according to GB 5803-5815 and GB/T 806 standards
Why Choose Our Needle Files?
1. High-Precision Filing – Ideal for shaping intricate metal components
2. Ultra-Durable Bearing Steel – Maintains sharpness and performance under heavy use
3. Ergonomic Handle Options – Provides comfort and control for delicate work
Applications & Safety
1. Used in:
(1). Jewelry Making & Engraving – Perfect for refining precious metal surfaces
(2). Watch & Clock Repair – Ensures precision adjustments for fine mechanical parts
(3). Model & Tool Making – Ideal for shaping small metal and plastic components
2. Safety Precautions:
(1). Wear Goggles & Gloves – Protect against fine metal filings
(2). Use Light, Controlled Strokes – Prevent excessive material removal
3. Maintenance:
(1). Clean after use to remove metal debris
(2). Store in a dry tool bag to prevent rust
Bulk Orders & Custom Solutions Available
We offer wholesale pricing, OEM customization, and fast delivery.
Contact us today for a quote!