QZ screws are characterised by their high quality. Dimensions (d x L): 6.3 x 38 mm Thread: full thread. Material: hardened steel. Drive: SW-3/8 Head shape: hexagonal Surface treatment: galvanised. Hexagonal head with collar/drill tip for steel thicknesses up to max. 4.0 - 4.5 mm. Brand: QZ CE, DIN7504K USA, EN14566 Box contents: 1000 pieces.
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