Böllhoff 844.8VZD418, Zylinderschrauben (Verpackung 2000 Stk.)

Art.no.: 844.8VZD418 DIN 84 steel 4.8 zinc-plated, thick-film passivated (VZD) Cr(VI) - free metric thread Note: Identical to ISO 1207 DIN standard has been withdrawn Surface (VZD): galvanized, thick-film passivated, min. 5μm corrosion resistance to DIN EN ISO 9227*: white rust 72h, red rust 144h defined coefficient of friction μ(total) = 0.12 - 0.18 for elements with a nominal tensile strength ≥ 800 MPa *The verification of the mentioned minimum requirements is carried out according to the test conditions of DIN EN ISO 4042, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards. Dimension: M4 x 18

a max.: 1.4 Diameter (d): M4 dk max.: 7 dk min.: 6.78 ECLASS 7.1: 23110102 k max.: 2.6 k min.: 2.46 Length (l): 18 l max. A: 18.35 l min. A: 17.65 Material: Steel 4.8 n: 1.2 n max.: 1.51 n min.: 1.26 DIN/ISO: DIN 84 Surface: zinc-plated, thick-film passivated (VZD) Pitch (P): 0.7 r min.: 0.2 t min.: 1.1 Packaging unit (pcs.): 2000 Material version: 4.8 Cr(VI) Note: Cr(VI)-free Flange/washer: without flange Risk hydrogen embrittlement: Thread type: Metric thread Head shape: Cylinder head Force application: Slotted Installation method: Screw into place with tool Product type: Cap screw with internal driving feature Product group: Screws RoHS conformal: Material: Steel