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Product Specifications
| Specifications | Drill Diameter | Working Length | Shank Diameter | Total Length |
| 1mm | 1mm | 12mm | 1mm | 34mm |
| 1.5mm | 1.5mm | 18mm | 1.5mm | 40mm |
| 2mm | 2mm | 24mm | 2mm | 49mm |
| 2.5mm | 2.5mm | 30mm | 2.5mm | 57mm |
| 2.8mm | 2.8mm | 33mm | 2.8mm | 61mm |
| 3mm | 3mm | 33mm | 3mm | 61mm |
| 3.2mm | 3.2mm | 35mm | 3.2mm | 65mm |
| 3.5mm | 3.5mm | 39mm | 3.5mm | 70mm |
| 4mm | 4mm | 43mm | 4mm | 75mm |
| 4.2mm | 4.2mm | 43mm | 4.2mm | 75mm |
| 4.5mm | 4.5mm | 47mm | 45mm | 80mm |
| 4.8mm | 48mm | 51mm | 48mm | 85mm |
| 5mm | 5mm | 5Imm | 5mm | 85mm |
| 5.2mm | 5.2mm | 52mm | 5.2mm | 86mm |
| 5.5mm | 5.5mm | 57mm | 5.5mm | 93mm |
| 6mm | 6mm | 57mm | 6mm | 93mm |
| 6.5mm | 6.5mm | 63mm | 6.5mm | 100mm |
| 6.8mm | 6.8mm | 69mm | 6.8mm | 109mm |
| 7mm | 7mm | 69mm | 7mm | 109mm |
| 7.2mm | 7.2mm | 69mm | 7.2mm | 109mm |
| 7.5mm | 7.5mm | 69mm | 7.5mm | 109mm |
| 8mm | 8mm | 75mm | 8mm | 117mm |
| 8.5mm | 8.5mm | 75mm | 8.5mm | 117mm |
| 9mm | 9mm | 81mm | 9mm | 125mm |
| 9.5mm | 9.5mm | 81mm | 9.5mm | 125mm |
| 10mm | 10mm | 87mm | 10mm | 133mm |
| 10.5mm | 10.5mm | 87mm | 10.5mm | 133mm |
| 11mm | 11mm | 94mm | 11mm | 142mm |
| 11.5mm | 11.5mm | 94mm | 11.5mm | 142mm |
| 12mm | 12mm | 101mm | 12mm | 151mm |
| 12.5mm | 12.5mm | 101mm | 12.5mm | 151mm |
| 13mm | 13mm | 101mm | 13mm | 151mm |
Products Features
1: High Hardness Cobalt Material: Made of M35 cobalt high-speed steel, providing excellent hardness and wear resistance, particularly suitable for machining high-strength materials like stainless steel.
2: Fully Ground Design: The 135° standard double rear pentagon design ensures the drill bit is sharp and durable, offering faster penetration and higher machining efficiency.
3: Superior High-Temperature Performance: The cobalt material effectively enhances the drill bit's stability and lifespan in high-temperature working environments.
4: Versatile Application: Suitable for various materials, including stainless steel, aluminum alloy, mold steel, copper, cast iron, and steel plates, catering to diverse industrial machining needs.
Application
This twist drill bit is widely used in metalworking, precision manufacturing, and mold processing, particularly for drilling operations on stainless steel and other high-strength metal materials. Whether in industrial manufacturing workshops or in machining and repair tasks, this drill bit offers efficient and precise cutting performance, making it an ideal tool choice for engineers and craftsmen.
Products Pictures
Product Specifications
| Specifications | Drill Diameter | Working Length | Shank Diameter | Total Length |
| 1mm | 1mm | 12mm | 1mm | 34mm |
| 1.5mm | 1.5mm | 18mm | 1.5mm | 40mm |
| 2mm | 2mm | 24mm | 2mm | 49mm |
| 2.5mm | 2.5mm | 30mm | 2.5mm | 57mm |
| 2.8mm | 2.8mm | 33mm | 2.8mm | 61mm |
| 3mm | 3mm | 33mm | 3mm | 61mm |
| 3.2mm | 3.2mm | 35mm | 3.2mm | 65mm |
| 3.5mm | 3.5mm | 39mm | 3.5mm | 70mm |
| 4mm | 4mm | 43mm | 4mm | 75mm |
| 4.2mm | 4.2mm | 43mm | 4.2mm | 75mm |
| 4.5mm | 4.5mm | 47mm | 45mm | 80mm |
| 4.8mm | 48mm | 51mm | 48mm | 85mm |
| 5mm | 5mm | 5Imm | 5mm | 85mm |
| 5.2mm | 5.2mm | 52mm | 5.2mm | 86mm |
| 5.5mm | 5.5mm | 57mm | 5.5mm | 93mm |
| 6mm | 6mm | 57mm | 6mm | 93mm |
| 6.5mm | 6.5mm | 63mm | 6.5mm | 100mm |
| 6.8mm | 6.8mm | 69mm | 6.8mm | 109mm |
| 7mm | 7mm | 69mm | 7mm | 109mm |
| 7.2mm | 7.2mm | 69mm | 7.2mm | 109mm |
| 7.5mm | 7.5mm | 69mm | 7.5mm | 109mm |
| 8mm | 8mm | 75mm | 8mm | 117mm |
| 8.5mm | 8.5mm | 75mm | 8.5mm | 117mm |
| 9mm | 9mm | 81mm | 9mm | 125mm |
| 9.5mm | 9.5mm | 81mm | 9.5mm | 125mm |
| 10mm | 10mm | 87mm | 10mm | 133mm |
| 10.5mm | 10.5mm | 87mm | 10.5mm | 133mm |
| 11mm | 11mm | 94mm | 11mm | 142mm |
| 11.5mm | 11.5mm | 94mm | 11.5mm | 142mm |
| 12mm | 12mm | 101mm | 12mm | 151mm |
| 12.5mm | 12.5mm | 101mm | 12.5mm | 151mm |
| 13mm | 13mm | 101mm | 13mm | 151mm |
Products Features
1: High Hardness Cobalt Material: Made of M35 cobalt high-speed steel, providing excellent hardness and wear resistance, particularly suitable for machining high-strength materials like stainless steel.
2: Fully Ground Design: The 135° standard double rear pentagon design ensures the drill bit is sharp and durable, offering faster penetration and higher machining efficiency.
3: Superior High-Temperature Performance: The cobalt material effectively enhances the drill bit's stability and lifespan in high-temperature working environments.
4: Versatile Application: Suitable for various materials, including stainless steel, aluminum alloy, mold steel, copper, cast iron, and steel plates, catering to diverse industrial machining needs.
Application
This twist drill bit is widely used in metalworking, precision manufacturing, and mold processing, particularly for drilling operations on stainless steel and other high-strength metal materials. Whether in industrial manufacturing workshops or in machining and repair tasks, this drill bit offers efficient and precise cutting performance, making it an ideal tool choice for engineers and craftsmen.
Products Pictures
