300 mm extension for crown drill 1 1/4 inch thread
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300 mm extension for diamond crown drill bit external and internal thread diameter DN 32
The robust 300 mm extension is designed for fast, wet and dry drilling with crown drills. The extension is suitable for 30 cm deeper drilling with a diamond crown drill bit. The 300 mm crown extension has a built-in external and internal 5/4 inch (DN32) thread for screwing on a diamond crown drill bit on one side and on a drill on the other side of the extension. The crown extension with a thread diameter of 5/4 Cole (1 1/4 Cole - DN32 - 31.75 mm - Colski - Zoll - Inch - Inch - ´ - Inch) consists of solid and durable steel. The total length of the nozzle is 350 mm and the diameter is Ø 30 mm.
Diameter
Ø 40 mm
Length
300 mm
36 mm open-end wrench slot for easy unscrewing and tightening of the extension
Yes
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