Heavy Duty Steel Carabiner Snap Hook Clip Screw Lock DIN 5299D
Galvanised steel snap hook carabiner with a screw-lock safety collar to DIN 5299D, 40-140mm. Fully hand-operated locking gate prevents accidental release.
✅ Suitable for: General fixing and hanging (40-140mm)
Fast UK
Delivery
Delivery
60-Day
Free Returns
Free Returns
Strict Quality
Control
Control
DIN 5299D Standard
The recognised specification for snap hooks fitted with a screw-lock gate.
Screw-Lock Safety Collar
Must be deliberately unscrewed before the gate can open, preventing accidental release.
Galvanised Steel
Corrosion resistance in outdoor and general workshop use.
Fully Hand-Operated
No separate tools, pins or keys needed to lock or unlock.
Full 40mm-140mm Range
Seven sizes available, with the gate opening and wire diameter scaling with size.
Consistent Design
Same screw-lock design used consistently across the whole size range.
Rated Working Load
Each size carries its own specified working load limit, from 70kg up to 450kg.
Independently Stated Breaking Load
From 140kg up to 900kg, clearly distinguished from working load limit.
Technical Specification
| Material | Galvanised Steel |
| Standard | DIN 5299D |
| Lock Type | Screw-Lock Gate |
| 40mm (Size / Wire section (B) / WLL / Breaking) | 4x40 / 3.9mm / 70kg / 140kg |
| 50mm (Size / Wire section (B) / WLL / Breaking) | 5x50 / 4.8mm / 100kg / 200kg |
| 60mm (Size / Wire section (B) / WLL / Breaking) | 6x60 / 5.5mm / 120kg / 240kg |
| 70mm (Size / Wire section (B) / WLL / Breaking) | 7x70 / 6.7mm / 180kg / 360kg |
| 80mm (Size / Wire section (B) / WLL / Breaking) | 8x80 / 7.4mm / 230kg / 460kg |
| 100mm (Size / Wire section (B) / WLL / Breaking) | 10x100 / 9.4mm / 350kg / 700kg |
| 140mm (Size / Wire section (B) / WLL / Breaking) | 12x140 / 11.5mm / 450kg / 900kg |
