RING - ring shank
Sc - torsionally rolled core (screw)
SM - smooth shank
Material / workmanship:
BK - bare steel
NK - galvanized steel
NR - stainless steel, grade 304 or 316
Diameters:
from 2,8 down 5.0 mm
Length:
from 50 down 220 mm
Nails R20
Nails joined into flat packages with plastic for driving with pneumatic tools. The magazine at an angle of 21 degrees allows convenient access to nailing in the corners of frame structures. Mainly used in construction and assembly of cargo boxes.