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| Diameter | 15mm-45mm |
| Length | 90mm |
| Shank | Saw Tooth Shank |
| Material | Hardened and Tampered Carbon Steel |
| Surface Treatment | Sand Coating, Chrome |
| Cutting Edge | Straight |
| Packaging | PVC Pouch, Plastic Tube, Plastic Hanger |
| Application | Art Drill for Soft and Hard Wood |
| Customization | Acceptable |
| Brand | Union, OEM |
| Standard | DIN, ISO |
| Origin | China |
Drill bits are cutting tools used to create cylindrical holes in materials such as wood, metal, concrete, and masonry. They are an essential tool for construction, manufacturing, DIY projects, and more.
Drill bits including HSS twist drill bit, with straight shank and hex shank, wood drill bits, and construction drill bits for different working application sites.
Drill bits come in sizes ranging from small 1mm bits to large 50mm bits and above. The material, coating, and design affect their performance and applications. Understanding drill bit types and using the correct one is key to efficient drilling. Regular maintenance and replacement of worn bits are also important. Overall, drill bits are indispensable tools that provide the openings and holes required in all kinds of DIY, construction, and manufacturing work.
| Recommended Cutting Parameter Table for Processing Various Materials Using High-Speed Steel Plate Drills | |||
| Material | Cutting speed m/min | Feed rate mm/r | Coolant ml/min |
| Low-carbon steel | 18-25 | 0.08-0.13 | ≥40 |
| Medium-carbon steel | 15-23 | 0.08-0.13 | ≥40 |
| High-carbon steel | 13-20 | 0.07-0.13 | ≥40 |
| Structural alloy steel | 14-22 | 0.07-0.13 | ≥40 |
| Tool steel | 11-16 | 0.07-0.13 | ≥60 |
| Stainless steel | 9-15 | 0.06-0.11 | ≥200 |
| Aluminium | 60-80 | 0.2-0.25 | ≥80 |
| Cast iron | 20-40 | 0.1-0.16 | No compressed air cooling required |
| Bronze | 21-30 | 0.12-0.18 | No compressed air cooling required |
| Brass | 35-50 | 0.15-0.21 | ≥40 |
| Titanium alloy | 4-10 | 0.07-0.13 | ≥200 |
| Manganese alloy | 10-18 | 0.05-0.1 | ≥400 |
| Superalloy | 8-20 | 0.05-0.1 | ≥400 |
| Recommended Cutting Parameter Table for Processing Various Materials Using Carbide Steel Plate Drills | |||
| Material | Cutting speed m/min | Feed rate mm/r | Coolant ml/min |
| Low-carbon steel | 38-50 | 0.07-0.12 | ≥40 |
| Medium-carbon steel | 35-45 | 0.07-0.12 | ≥40 |
| High-carbon steel | 35-45 | 0.07-0.12 | ≥40 |
| Structural alloy steel | 30-40 | 0.07-0.13 | ≥40 |
| Tool steel | 25-40 | 0.07-0.13 | ≥60 |
| Stainless steel | 12-21 | 0.08-0.12 | ≥200 |
| Aluminium | 80-120 | 0.15-0.2 | ≥80 |
| Cast iron | 55-75 | 0,1-0.15 | No compressed air cooling required |
| Bronze | 48-60 | 0.1-0.15 | No compressed air cooling required |
| Brass | 30-42 | 0.1-0.15 | ≥40 |
| Titanium alloy | 6-15 | 0.1-0.13 | ≥200 |
| Manganese alloy | 15-28 | 0.07-0.1 | ≥400 |
| Superalloy | 13-24 | 0.07-0.1 | ≥400 |
| Main Fastener Coating | |||
| Types | Application | Spray Test Hours | Characteristics |
| Mirror Nickel-plating | ALL Metal | 72Hours | Stable Excellent polishing performance Improve Wear resistance Wide range of applications |
| Matt Nickel-plating | ALL Metal | 72Hours | |
| Black Nickel-plating | ALL Metal | 48Hours | High absorption rate of solar energy Used in solar collector panels. |
| Manganese Phosphate | ALL Metal | 72Hours | Enhanced resistance |
| Sand Blast | ALL Metal | - | Remove paint, rust, and residue scratches or casting marks |
| Electrophoresis | ALL Metal | 1000Hours | Maintain metallic luster Anti-corrosion properties |
| Color Electroplating | ALL Metal | 96Hours | Improve mental strength Prevent metal oxidation |
| Steel Material Chemical Composition | ||||||||
| Types | C | Si | V | Cr | Mn | Ni | Mo | Characteristic |
| CR-MO | 0.18-0.23 | 0.15-0.35 | - | 0.40-0.60 | 0.90-1.20 | - | 0.13-0.20 | 41xx-series SAE steel grades Excellent strength-to-weight ratio Stronger and harder Not easily welded |
| CRV | 0.5 | 0.3 | 0.18 | 0.80-1.10 | 0.70-0.90 | - | - | 6000-series SAE steel grades Suitable for hardening Resist abrasion, oxidation, and corrosion Improve material elasticity |
| S2 | 0.40-0.55 | 0.90-1.20 | <0.50 | - | 0.30-0.50 | <0.30 | 0.30-0.60 | One of seven types of shock-resisting steels under the AISI Classification High strength High toughness Wear resistance High hardness Resistance to shock loading |
| 45# | 0.42-0.05 | 0.17-0.37 | - | ≤0.25 | 0.50-0.80 | ≤0.25 | - | Compared with A3, it has higher strength and resistance to deformation. |
| A3 | 0.95-1.05 | 0.10-0.50 | 0.15-0.50 | 4.75-5.50 | 0.40-1.00 | - | 0.90-1.40 | High-quality high carbon alloy tool steel |
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