HSS HOLE SAW

Size: 12,14,16,17,18,19,20,22,24,25,26,28,30,32,35,38,40,45,50,54,60,65,70,75,80,
85,90,95,100,140MM.

High speed steel twist drill is a commonly used drilling tools,suitable for DRILLING IRON,COPPER,PLASTIC,ALUMINIUM,AND OTHER MATERIALS.

The steps of using a high-speed steel twist drill:
1. Determine the drilling position and depth,and fix the workpiece on the worktable.
2. Install the high-speed steel twist drill and confirm that the drill bit is perpendicular to the workpiece.
3. Select the appropriate drill bit diameter and speed,then begin drilling.
4. During the drilling process,maintain a stable cutting speed and feed rate,avoiding going too fast or too slow.
5. After drilling is complete,stop the machine and remove the high-speed steel twist drill from the workpiece.
6. Clean up the debris and waste generated during driling and check if the drilling quality meets the requirements.

It should be noted that when using a high-speed steel twist drill,it is necessary to wear protective goggle and gloves to prevent injury from flying debris.At the same time,the appropriate speed and feed rate should be selected according to different materials and drilling requirements to ensure drilling quality and extend the life of the drill bit.