Drill crown extension 1.1/4" UNC, 300 mm, steel version

The robust steel extensions can be used to quickly increase the driling depth. Extensions with the same coupling can be linked together.

Easy extension of the drilling depth through different effective lengths High quality and robust steel, no tearing of the threaded adaptor Threaded adaptor 1.1/4" UNC" or G1/2", suitable for standard drill bits

Choosen variant

Please select a dealer via the

Product description

These steel drill bit extensions are ideal for producing core drillings with individual depths.

The most important facts at a glance

Diameter (min-max)	50 – 500
Thread pick-up	Standard