[4.2mm10Pcs]
Product Name: Double Head Squash
Material: 9341 High Speed ??Steel
Scope of application: suitable for processing thin stainless steel, thin steel plate, iron, copper, aluminum, plastic, wood and other materials
Features: high hardness, wear resistance, positioning, good chops, high efficiency
Color classification: 3mm10 3.2mm10 3.5mm10 4mm10 5.2mm10 5.0mm10 5.2mm10
Note: The diameter of the drill bit is consistent with the diameter of the drill bit, please confirm if you can use it when you purchase.
Instructions:
1. The twist drill is a cutting tool, mainly used for metal drilling, so the control speed is critical.
2. This product is recommended to speed: 100-800r / min, the larger diameter, the slower the speed requirements.
3. M35 a diamond high-speed steel twist drill hardness HRC64-66 degrees, suitable for <38 degree metal drilling, can not drill metal
4. When using handmade drill, pay attention to adjust the speed, and the speed is too fast to damage the drill bit.
5. It is not tap when using this product, the work must be fixed, and the working swing will break the drill bit when operating.
6. Highly drilling and high metal, the speed is slower than normal drilling, the cooling is better
7. Products with large processing thickness, if there is an abnormality, please clear the debris in time