Goecke Schwelm Special Step Drill Bit
Brass dowel pins are - despite the chamfer on the edge - only partially resistant to shear forces.
Wherever the pin be driven with snow plows, forklifts or similar vehicles, we recommend the flush installation with the help of our special-step drill.
Drilling and sinks in a single operation; especially for all pins of the 11H-series constructed.
Tool fixture: SDS-plus.
Compared to the simple models often offered with two pin-like cutting the countersink drill offers the dull job the following benefits:
Through this cutting arrangement allows reductions in uneven or sloping floors bring variable depth reduction.
Mfg Part #: 11H-SBO