This diamond cylinder square bur is a precision rotary grinding tool for jewelry making and work with hard materials, delivering controlled grinding across flat surfaces and into squared areas thanks to its straight-sided cylinder profile and flat tip. The Busch 842-021 comes with a 3/32" HP shank and ships in packs of two for convenient shop use.
Features
- Diamond abrasive head designed for precision grinding of hard materials
- Straight-sided cylinder profile with a completely flat tip
- Medium grit for controlled material removal
- Professional rotary instrument for jewelry and precision grinding applications
- HP shank for use with compatible handpieces, laboratory micromotors, and jewelry flex shafts
- Sold in packs of 2
Compatibility
Designed for standard equipment that accepts 3/32 in (2.35 mm) HP shanks, including compatible laboratory micromotors and jewelry flex shafts.