BS drilling screw, DIN 7504 form M (N) – Lens head Torx

    Drilling screw with drill point for connecting steel sheets without pilot hole

    BS 4.2X13 with drive size T20, usable thread length 4,3 mm

    BS 5.5X19 with drive size T25, usable thread length 8,0 mm

    galvanized, according to DIN EN ISO 19598 / DIN EN ISO 2081
    length 1length 2Torxdiameterweight
    BS 4.2X13GV13 mm4,3 mmT20 4.2 mm0.15 kg/100
    BS 5.5X19GV19 mm8,0 mmT25 5.5 mm0.35 kg/100

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