1. Fixed drill bushings: GB JB/T 8045.1-1999 standard and non-standard fixed drill bushings processing and customization
2. Replaceable drill bushings: GB JB/T 8045.2-1999 standard and non-standard replaceable drill bushings processing and customization
3. Quick-change drill bushings: GB JB/T 8045.3-1999 standard and non-standard quick-change drill bushings processing and customization
Fixed drill bushings: Mainly used for drilling operations solely with drill bits.
Replaceable drill bushings: Allow for quick replacement of drill bushings.
Jingxin drill bushings feature high precision, long inner hole guidance, ensuring drilling position accuracy and hole precision. They are more affordable, of superior quality, and offer longer wear life.