The Kosto CSK series snap hooks and carabiners are engineered connectors for fall protection systems, ensuring secure and reliable attachment points in demanding industrial environments. Available in multiple sizes and configurations — from compact ¾” openings to extra-large 3” gates — they provide flexibility to suit various anchorage needs. Constructed from zinc-coated steel for durability or lightweight aluminum for reduced fatigue, each connector is designed to deliver high strength and consistent performance. Ideal for integration with harnesses, lanyards, and SRLs, the CSK series meets rigorous ANSI and CSA standards, offering dependable safety across industries.

Key Features

Versatile range: Available in multiple sizes and openings (¾” to 3”) to suit various anchorage points.
High strength: Minimum tensile strength of 22 kN (5,000 lbs), proof-loaded to 16 kN (3,600 lbs).
Secure locking: Double-action or triple-action gates prevent accidental opening.
Durable materials: Options in zinc-coated steel for rugged durability or aluminum for lightweight performance.
Corrosion resistance: Protective finishes extend service life in harsh environments.
Easy integration: Compatible with Kosto harnesses, lanyards, SRLs, and lifeline systems.
Inspection-ready: Designed with straightforward cleaning and inspection processes.

Intended Use

These connectors are intended for use as secure attachment points in fall protection systems, offering flexibility for different industries and anchorage configurations.

Construction and roofing
Oil & gas and petrochemical facilities
Mining and heavy industry
Utilities and energy towers
Wind energy projects
Transportation and warehousing
Bridge and infrastructure maintenance
General industrial fall protection systems

Variant Differentiation

CSK101: Small snap hook, ¾” opening, zinc-coated steel.
CSK102: Medium snap hook, 2” opening, zinc-coated steel.
CSK103: Large snap hook, 2.3” opening, zinc-coated steel.
CSK104: Large snap hook, 2.3” opening, aluminum (lightweight).
CSK105: X-Large snap hook, 3” opening, zinc-coated steel.
CSK106: Aluminum carabiner, 1” opening, triple-action gate, lightweight.

Product Specifications

Product Type: Snap hooks and carabiners (fall protection connectors)
Materials: Zinc-coated steel (CSK101, CSK102, CSK103, CSK105), Aluminum (CSK104, CSK106)
Gate Opening: ¾” (CSK101), 2” (CSK102), 2.3” (CSK103/104), 3” (CSK105), 1” (CSK106 carabiner)
Gate Type: Double-action (snap hooks), triple-action (carabiner CSK106)
Minimum Tensile Strength: 22 kN (5,000 lbs)
Proof Load: 16 kN (3,600 lbs)
Finish: Zinc-coated or anodized aluminum
Weight Range: 96 g (CSK106) to 984 g (CSK105)
Maintenance: Clean with mild soap/water, dry thoroughly; inspect before each use; annual inspection required

Certifications and Standards

CSA Z259.12-16 (R2021) Class 1: Canadian standard for connecting components in fall protection systems.
ANSI Z359.12-2019: U.S. performance requirements for connectors used in fall protection.