Diamond crown for DEDRA drill bits HW4072 ¶r. 72mm long. 400 mm

Diamond drill crown with a diameter of 72 mm and a length of 400 mm. It is designed for drilling in hard materials such as concrete, reinforced concrete, stone, brick. Diamond teeth laser-bonded to the body of the crown, which contributes to its elevated lifespan. Hexagonal crown holder for easy attachment.

Features:

• Diamond teeth laser-bonded to the body
• Working with water as a coolant

Technical data:

• Crown diameter: 72 mm
• Lace length: 400 mm
• Mounting threads: 1 1/4"