Self-drilling and self-tapping screw for screwing directly into sheet metal and metal laminates without a pilot hole.
HEXAGONAL HEAD WITH COLLAR
With sharp corners to prevent slipping of the bush during drilling.
up to below the head, to allow the gripping of extremely thin sheets.
DRILLEX® self-drilling tip, which can penetrate thicknesses of up to 5 mm, threading and tightening consecutively.
CARBONITRIDING HEAT TREATMENT
More info: heat treatment
The 100hrs white zinc plating treatment guarantees a rust resistance a third higher than that of standard galvanizing. Complies with the EN1670 standard grade 3.
More info: finishing treatments
IN PROCESS CONTROLS
The entire manufacturing process is subjected to SPC (Statistical Product Control), which guarantees a constantly high level of quality in time.
The batch number on the labels ensures absolute traceability of all the phases of production and related control/test documents.
all batches are tested with special instruments to determine their drilling rate in the various materials.