Overview
ISO 10045:2017 defines the requirements for test screws used to assess the binding mounting area of alpine skis. The standard specifies dimensions, material selection, surface treatment, mechanical strength and fastening characteristics to ensure that measurements taken by different manufacturers and laboratories are comparable and reproducible.
Key practical outcomes of ISO 10045:2017 include a consistent reference fastener for test setups, clear acceptance criteria for screw properties, and guidance that supports reliable quality control and product development for alpine ski bindings.
Key Topics
- Designation and identification: Example format - test screw ISO 10045 - TBS 5,4 × 12.
- Materials: Specifies use of C15E steel (EN 10084) for the test screw body.
- Head and drive: Maximum head diameter 10 mm; cross-recess type Z No. 3 (ISO 4757) with recommended penetration depth (approximately 2,72 mm to 3,18 mm). The head bottom is coarse-toothed.
- Thread and geometry: Major diameter range and allowable cross-sections (major diameter 5,31 mm to 5,46 mm); thread length must extend at least 1 mm beyond the penetration depth; shaft-end profile as illustrated in the standard.
- Surface finish: Zinc electroplated coating Fe/Zn 5c with clear chromate conversion, target thickness 10 µm on the head surface; electroplating precautions to avoid hydrogen embrittlement (ISO 4042).
- Strength and ductility: Breaking moment not less than 10 Nm; screws must survive the ductility test without fracture.
- Application characteristics: Based on a uniform drill diameter of 4,1 mm H12. Specified driving torque ≤ 3,3 Nm, stripping torque ≥ 5 Nm, and minimum mean static pull-out resistance comparable to the ISO 1478 reference screw (type F, nominal 5,5 mm).
Applications
ISO 10045:2017 is intended for use by:
- Manufacturers - to standardize in-house testing of binding mounting areas and to validate mounting procedures.
- Test laboratories - to ensure repeatable, comparable test data across laboratories and programs.
- Quality control teams - to verify fastening performance and to detect manufacturing or material issues in ski cores and mounting interfaces.
- R&D and product safety - to evaluate new binding designs, mounting templates and installation methods under consistent test conditions.
Benefits include improved comparability of results, reduced variation in test outcomes, and a reliable baseline for interpreting pull-out, torque and durability measurements.
Related Standards
Standards referenced or related to ISO 10045:2017 include:
- ISO 1478 - Tapping screws thread
- ISO 4042 - Fasteners - Electroplated coatings
- ISO 4757 - Cross recesses for screws
- ISO 6004 & ISO 6005 - Ski binding screws and test methods
- EN 10084 - Case hardening steels (materials specification)
Adopting ISO 10045:2017 alongside these references helps organizations maintain consistent test protocols and align product evaluation with international best practice.
