ISO 15629:2002

Overview

ISO 15629:2002 - "Pallets for materials handling - Quality of fasteners for assembly of new and repair of used, flat, wooden pallets" - specifies minimum quality guidelines for mechanical fasteners (nails and staples only) used in assembly and repair of flat wooden pallets. The standard is both prescriptive and performance-based, giving physical descriptions, measurement procedures and recommended minimum performance levels to support reliable pallet strength and durability in materials‑handling systems.

Key topics

• Scope and definitions: Fasteners are limited to nails and staples; terminology aligns with ISO 445 vocabulary.
• Classification: Nail types (plain/smooth, helical, annular ring, twisted/square, barbed) and staple types (round‑wire, flattened/square) and required specification elements (wire diameter, length, thread type, point type).
• Physical measurements: Detailed measurement methods (Annex A) for nail/staple length, wire/crest diameter, thread/helix counts, staple crown and leg dimensions; recommended sampling (e.g., 12 specimens per lot).
• Performance requirements: Recommended minimum performance levels (see Table 2) covering separation resistance (withdrawal and head/crown pull‑through), static bending resistance, and minimum staple crown length. These performance tests reference ISO 12777‑1 and ISO 12777‑2 test methods.
• Testing and correlation: Annex B links static bending resistance to impact bend tests (MIBANT) as described in ISO 12777‑1. Coatings (corrosion resistance, drivability, separation improvements) must be validated by ISO 12777‑2 methods.

Applications

ISO 15629 is practical for:

• Pallet manufacturers and component suppliers specifying pallet nails and staples for new pallet assembly.
• Repair shops setting quality criteria for pallet repair fasteners.
• Procurement and quality‑assurance teams evaluating fastener lots and supplier conformity.
• Testing laboratories performing separation, pull‑through and bending tests per ISO 12777 series.
• Logistics, warehousing and unit‑load designers seeking predictable pallet performance and durability.

Typical use-cases include specifying fastener minimums for reusable pallets with high, medium or low structural durability and ensuring chosen fasteners meet withdrawal and bending demands in rough handling.

Related standards

• ISO 12777‑1, ISO 12777‑2 (methods of test for pallet joints)
• ISO 445 (pallet vocabulary)
• ISO 8611‑1 (full‑scale pallet tests - referenced)
• Companion ISO standards on pallet components and repair: ISO 18333, ISO 18334, ISO 18613

Keywords: ISO 15629, pallet fasteners, pallet nails, pallet staples, wooden pallets, pallet repair, fastener quality, separation resistance, bending resistance, pallet testing.