BUSCH HART SET 031-070

Busch® 90° hart burs (also known as bearing burs) are useful for cutting stone seats and notching prongs. Set includes 11 burs: sizes 3.1 through 7mm.

• 3.1mm 
• 3.3mm 
• 3.5mm 
• 3.7mm 
• 4.0mm 
• 4.2mm 
• 4.5mm 
• 4.7mm 
• 5.0mm 
• 6.0mm
• 7.0mm