EN 2651-1996 pdf download.Aerospace series — Screws, pan head, slotted, threaded to head, in brass, tin plated — Classification: 380 MPa (at ambient ternperature)/80 °C.
This EN 2651 specifies the characteristics of screws, pan head, slotted, threaded to head. in brass, tin plated.
Classification: 380 MPa/8O °C 2)
2 Normative references
This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter, For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies.
ISO 3353, Aerospace — Rolled threads for bolts — Lead and runout requirements.
ISO 5855.2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts.
Iso 7913. Aerospace — Bolts and screws, metric — Tolerances of form and position.
EN 2000. Aerospace series — Quality assurance — EN aerospace products — Approval of the quality .cvstem of manufacturers.
EN 2424. Aerospace series — Marking of aerospace products.
3 Required characteristics
3.1 Configuration — Dimensions — Masses
See Figure 1 and Table 1.
Dimensions and tolerances are expressed in
millimetres and apply after surface treatment.
3.2 Tolerances of form and position
ISO 7913 and Figure 1 and Table I
3.3 Materials
llrasa: 63 % Cu, 37 % Zn; 380 MPa ≤ R, ≤ 420 MPn
3.4 Surface treatment
Tin plating. 5 nn to 10 *rn on all surfaces which can be contacted by a 20 mm diameter ball. On all other surfaces, a continuous deposit shall he present. hut no value is specified.
7 Packaging and labelling
7.1 Packaging
It shall prevent any damage or corrosion occuring during handling and transportation.
Each package shall only contain screws of the same identity block, taken from the same inspection batch.
7.2 Labelling
Each package shall bear a label on which the identity block, quantity, production batch number and inspector’s stamp have been recorded.EN 2651-1996 pdf download.