BS EN 4136-2009 pdf download.Aerospace series— Bolts, normal bihexagonal head, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated — Classification: 1 100 MPa (at ambient temperature) / 235 °C.
This BS EN 4136 specifies the characteristics of bolts, normal bi-hexagonal head, coarse tolerance normal shank, long thread, in aHoy steel, cadmium plated.
Classification: 1100 MPa 1)/235 °c 2)
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2133. Aerospace series — Cadmium plating of steels with specified tensile strength ≤ 1 450 MPa, copper, copper alloys and nickel alloys.
EN 2137, Steel FE-PL75 — 1100 MPa ≤Rm ≤ 1 250 MPa — Bars 0. ≤ 100mm — Aerospace series. 3) EN 2424, Aerospace series — Marking of aerospace products.
EN 2442 4), Steel FE-PL7I 1 — 1100 MPa ≤ R,, ≤ 1 300 MPa — Bars and wires 0, s 25 mm — Aerospace series. 3)
EN 3514, Aerospace series — Steel FE-PL711 — Hardened and tempered— 1 100 ≤Rm ≤ 1 300 MPa — Bar and wire for bolts — 0, ≤25 mm. 5)
EN 9100, Aerospace series — Quality management systems — Requirements (based on ISO 9001:2000) and
Quality systems — Model for quality assurance in design, development, production. installation and se,vicing
(based on ISO 9001:1994).
EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts.
Iso 3203, Aerospace — Bolts, normal bihexagonal head, normal or pitch diameter shank, long length MJ threads. metallic material, coated or uncoated. strength classes less than or equal to 1100 MPa — Dimensions.
ISO 3353-1, Aerospace — Lead and runout threads — Part 1: Rolled external threads.
ISO 4095, Aerospace — Bihexagonal drives — Wrenching configuration — Metric series.
ISO 5855-2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts.
ISO 7689, Aerospace — Bolts, with MJ threads, made of alloy steel, strength class 1100 MPa — Procurement specification.
ISO 7913, Aerospace — Bolts and screws, metric — Tolerances of form and position. TR 3775, Aerospace series — Bolts and pins — Materials. 6)
3 Required characteristics
3.1 Configuration — Dimensions — Masses
See Figure 1 and Table 1.
Dimensions and tolerances are: in conformity with ISO 3203. expressed in millimetres and apply after surface
treatment.
3.2 Tolerances of form and position
ISO 7913
3.3 Materials
EN 2137. EN 2442
TR 3775 (alloy steel, classification 1100 MPa)
3.4 Surface treatment
EN 2133, 8 pm to 14 pm on all surfaces which can be contacted by a 20 mm diameter ball, On all other surfaces, a continuous cadmium plating shall be present, but no value is specified.
Black colour option: code B
5 Marking
EN 2424. style B (see Figure 1).
6 Technical specification Iso 7689, except for clauses:
a) Approval of manufacturers: see EN 9100;
b) Qualification of bolts: see EN 9133.BS EN 4136-2009 pdf download.