Core and countersink drill

• With internal cooling
• For countersinking and drilling
• Counterbores for producing countersinks for cylinder head screws, countersinks, sealing surfaces
• Fixed dimension spiral countersink for drilling pre-machined or cast bores
• The diameter to be drilled must not be smaller than dimension A!
• Bore tolerances: For countersinks according to DIN 74 (H13)
• For ISO indexable inserts, please refer to the “Turning” section

Core and countersink drill bits with one indexable insert housing
Core and countersink drill

• With internal cooling
• For countersinking and drilling
• Counterbores for producing countersinks for cylinder head screws, countersinks, sealing surfaces
• Fixed dimension spiral countersink for drilling pre-machined or cast bores
• The diameter to be drilled must not be smaller than dimension A!
• Bore tolerances: For countersinks according to DIN 74 (H13)
• For ISO indexable inserts, please refer to the “Turning” section

Core and countersink drill bits with one indexable insert housing