BS ISO 3317 pdf free download
BS ISO 3317:2015 pdf free download.Assembly tools for screws and nuts – Square drive adaptor with hexagon or cylindrical flat drive, for power socket wrenches.
BS ISO 3317 prescribes the technical specifications for square drive adaptor hexagon or cylindrical flat inserts for power socket wrenches. It applies to square drive adaptor with hexagon drive or with cylindrical flat end drive as defined in ISO 1173, and to driving squares for power socket wrenches as defined in ISO 1174-2.
Square drive adaptors with hexagon drive for power socket wrenches are listed under number 5 2 00 02 0 in ISO 1703.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1173, Assembly tools for screws and nuts Drive ends for hand- and machine-operated screwdriver bits and connecting parts — Dimensions, torque testing
ISO 1174-2, Assembly tools for screws and nuts — Driving squares — Part 2: Driving squares for power socket tools
3 Dimensions
Figure 1 and Table 1 show the recommended combinations of square drive adaptor for power socket wrenches in accordance with ISO 1174-2.
The shape of the liaison between the tip and the end is at the discretion of the manufacturer.
4 Technical requirements
The entire square drive adaptor shall be through hardened to a minimum hardness of 52 HRC.
5 Torque test
The drive end shall be fully engaged in a female holder in accordance with ISO 1173. The drive end shall be inserted in a test block in accordance with ISO 1174-2 with a minimum hardness of 62 HRC.
The test force shall be applied smoothly until the minimum torque value given in Table 2. Following the application of the test torque, any possible damage or deformation shall not affect the usability of the tool. The adaptor shall then be loaded until failure. The adaptor shall show a permanent deformation before failure.
6 Designation
A square drive adaptor for power socket wrenches in accordance with Iso 3317 is designated as follows:
a) “Adaptor”;
b) a reference to this International Standard, i.e. ISO 3317;
c) the form and the dimensions of the drive end (in accordance with ISO 1173);
d) a hyphen;
e) the form and dimensions of the square drive adaptor for power socket wrenches (in accordance with ISO 1174-2).
EXAMPLE A square drive adaptor for power socket wrenches with a drive end E 6,3 (in accordance with ISO 1173) and square drive socket wrenches dimensions F 10 (in accordance with ISO 1174-2) is designated as follows:
Adaptor ISO 3317 E 6,3 – F 10
7 Marking
Square drive adaptors with hexagon or cylindrical flat drive, for power square drive socket wrenches, in accordance with ISO 3317, shall be marked permanently and legibly with the name or trademark of the manufacturer or supplier.
If not marked on the tool itself, the following items shall be given at least on the smallest commonly used packaging unit:
a) the form and dimensions of the hexagon or cylindrical flat drive end;
b) the form and dimensions of the square drive end;
c) the length in millimetres.BS ISO 3317 pdf download.