Drill sleeve: The drill sleeve is installed on the drill template or the clamping body. Its function is to determine the position of the machined hole on the workpiece, guide the tool for processing, and improve the rigidity of the tool during processing and prevent vibration during processing. According to its structure and usage, it can be divided into the following four types.
Drill sleeves can be divided into the following types:
Drill sleeves are divided into fixed drill sleeves (A-type fixed drill sleeves, B-type fixed drill sleeves), replaceable drill sleeves, quick-change drill sleeves and special drill sleeves
Drill sleeve standard and drill sleeve size and drill sleeve specification see:
Fixed drill sleeve national standard JB/T 8045.1-1999
Replaceable drill sleeve national standard JB/T 8045.2-1999
Quick change drill sleeve national standard JB/T 8045.3-1999
Drill sleeve bushing national standard JB/T 8045.4-1999





