Overview - ISO 16367:2008 (Guide plates, U- and V-blocks)
ISO 16367:2008 is an international standard for tools for pressing, specifically covering guide plates and U‑ and V‑blocks used in press tools. The second edition (2008) defines the main dimensions and tolerances, designation rules and interfacing requirements that ensure consistent form, fit and function of guiding plates in tooling applications. The standard was prepared by ISO/TC 29/SC 8 (Small tools, Tools for pressing and moulding).
Key topics and technical requirements
- Scope: Specifies main dimensions and tolerances of guiding plates, U‑ and V‑blocks, and how they are designated.
- Block types: Defines configurations for type U (female block), type V (male block) and combinations of U and V blocks.
- Dimensions & tolerances: Main dimensional requirements and general tolerances use ISO 2768 (general tolerances, part 1) and specific h6/H7 tolerances where indicated. Surface roughness values are given in micrometres where applicable.
- Edges and finishing: All edges of undefined shape are handled per ISO 13715 (technical drawings - edges of undefined shape).
- Fastening and locating elements: References standard components such as hexagon socket head cap screws (ISO 4762) and parallel pins (ISO 8733) for mounting/locating.
- Material: Choice of material is left to the manufacturer’s discretion (material selection is not prescriptive in the standard).
- Designation format: U‑ and V‑block guiding plates are designated by type + reference to ISO 16367 and the width (b) and length (l) in millimetres. Example: “U‑ and V‑block guiding plate ISO 16367 - 65 × 200”.
Applications and users
ISO 16367 is practical for:
- Toolmakers and die designers creating press tooling and guiding systems
- Press manufacturers specifying mating guide plates and blocks
- Tooling suppliers producing standardized U‑ and V‑blocks for interchangeability
- Production and maintenance engineers responsible for repair, replacement and quality control of press tools
- CAD library managers and procurement teams who need unambiguous part identification
Benefits include improved interchangeability, reduced design ambiguity, simplified procurement and clearer communication between designers, manufacturers and end users.
Related standards
Normative references included in ISO 16367:2008:
- ISO 2768-1 - General tolerances (linear and angular)
- ISO 4762 - Hexagon socket head cap screws
- ISO 8733 - Parallel pins with internal thread
- ISO 13715 - Technical drawings - Edges of undefined shape
Keywords: ISO 16367:2008, guide plates, U-blocks, V-blocks, press tools, dimensions and tolerances, designation, ISO 2768, ISO 4762, ISO 8733, ISO 13715.