ZB4002
RICHWITS
ZB4002
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The Stainless-Steel Plate-Fork Hammock and Swing Set Hangers – Model ZB4002 – represent a definitive solution for secure overhead suspension. Engineered to transform any structural wooden beam, raw concrete ceiling, or heavy-duty steel post into a permanent, 300 kgf-rated swing station, this hardware accomplishes the task in mere minutes. The RICHWITS ZB4002 architecture combines a meticulously laser-cut 316 stainless steel base plate with a drop-forged fork eye. This eye is CNC-shaped with exacting precision to accept heavy-duty carabiners, industrial hammock chains, or wide synthetic swing straps while entirely eliminating friction and chafe.
At the core of its structural integrity is an 8.5 mm thick backbone. Weighing in at 20% heavier than standard DIN 5299 specifications, this unyielding foundation absorbs dynamic kinetic loads and the aggressive jump force of active users with absolute zero flex. The cold, solid heft of the marine-grade steel translates directly into long-term reliability. Furthermore, the 45 mm offset fork is specifically designed to keep suspension ropes and hardware safely clear of adjacent walls, while the deeply radiused, smooth edges actively protect both synthetic webbing and bare hands from abrasion.
| CODE | Plate L×W mm | Fork gap mm | A mm | B mm | C mm | D mm | E mm | M | M1 | WT kg | SWL kg |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ZB4002 | 99.5 × 70 | 45 | 99.5 | 70.0 | 45.0 | 8.5 | 10.0 | M10 | M6 | 0.475 | 300 |

The physical dimensions of the ZB4002 are the direct result of rigorous mechanical engineering and structural load analysis. The 99.5 × 70 mm footprint provides a wide, stable surface area that effectively distributes downward force across the mounting substrate, preventing localized crushing of timber beams. With a precise 45 mm fork gap, the hardware accommodates thick suspension materials without pinching. Every unit undergoes strict dimensional verification to ensure the 8.5 mm thickness and 0.475 kg weight remain absolutely consistent across large-scale production runs, ensuring predictable, reliable performance for structural engineers and installation teams.
316 SS One-Piece Plate + Fork: Forged without a single weld seam, this unibody construction eliminates the weakest points found in standard hardware. Backed by authoritative material certification reports detailing the exact 316 stainless steel composition, it guarantees zero rust and zero structural failure, even in constant moisture environments.
45 mm Smooth Fork Gap: The generously proportioned opening easily accepts 2 × 25 mm synthetic webbing or heavy 10 mm steel chain. The CNC-machined interior surfaces are exceptionally smooth to the touch, ensuring suspension materials glide naturally without side-load chafe or premature fraying.
8.5 mm Plate Thickness: Engineered for extreme security, this heavy-gauge backbone delivers a 300 kgf Safe Working Load (SWL) with a strict 4:1 safety factor. Third-party testing validates an ultimate breaking strength of 1.2 tf, satisfying stringent international safety standards for commercial playground and recreational equipment.
Two Mounting Patterns: Designed for total installation versatility, the plate features 4 × M6 countersunk holes for flush-fitting wood screws, alongside 2 × M10 slotted channels for heavy-duty through-bolts. This dual-pattern approach allows secure anchoring to virtually any architectural material.
Radiused Fork Mouth: Every edge interacting with the suspension line is deeply rounded and polished. This tactile, smooth finish actively protects expensive hammock ropes from shearing forces and ensures bare feet or hands remain safe from accidental cuts during active play.
10 mm Offset Boss: By projecting the pivot point 10 mm away from the mounting surface, the design keeps moving swing straps entirely clear of the wall or ceiling face. This critical clearance prevents material friction, resulting in a completely silent rotation and a frictionless glide.
Mirror-Polished & Electropolished: The surface undergoes a dual-polishing process that produces a brilliant, reflective gleam. This ultra-smooth finish actively repels salt accumulation and environmental pollutants, ensuring rainwater rinses it clean without leaving unsightly brown tea-staining on pristine white render or expensive timber.
Transform outdoor living spaces by securely hanging heavy hammocks, woven egg chairs, or multi-person porch swings. The marine-grade steel ensures that morning dew and heavy rain will never result in rust stains bleeding into expensive cedar or painted pergola beams.
Engineered for high-traffic, unsupervised environments, this corrosion-proof hardware withstands the relentless dynamic forces of children at play. Facility managers benefit from a zero-maintenance solution that never requires painting, lubrication, or seasonal replacement.
The aggressive salinity of coastal air rapidly degrades standard steel. The ZB4002 serves as a salt-proof hanging point for waterfront swing seats, suspended loungers, or outdoor yoga slings, maintaining its structural integrity and polished appearance despite constant ocean spray.
Beyond rugged outdoor use, the sleek, mirror-polished finish of the 316 plate blends discreetly with modern, industrial, or minimalist interior décor. It provides a secure, visually appealing anchor for indoor sensory swings, aerial yoga silks, or suspended architectural seating.
1 × 316 plate-fork hanger (ZB4002)
2 × A4-70 M10 × 80 mm through-bolts + washers & nylocs
4 × A4-70 M6 × 60 mm wood screws (hex-drive)
1 × 316 penny washer (polymer-backed)
1 × pH-neutral polish sachet
To support large-scale inventory management and international transit, each ZB4002 hardware set is initially sealed within an independent, anti-scratch inner bag to preserve the mirror-polished finish. These individual units are then densely packed into reinforced, heavy-duty corrugated outer cartons. For ocean freight and long-distance logistics, cartons are securely strapped and stretch-wrapped onto fumigation-free pallets. This systematic packaging protocol ensures zero abrasion damage during transit while significantly optimizing warehouse space and reducing overall freight volume.

Understanding that market differentiation is critical, we offer comprehensive customization for the ZB4002 series. This includes precision laser engraving of corporate logos directly onto the stainless steel plate, bespoke dimensional modifications for non-standard architectural beams, and the creation of exclusive installation hardware kits tailored to specific regional building codes. These services empower brands to elevate their product offerings and maintain a distinct competitive edge in the recreational hardware sector.
Operating a fully integrated manufacturing facility allows for absolute control over production timelines. By maintaining deep inventory levels of standard ZB4002 units, rapid dispatch is guaranteed for immediate project requirements. For large-volume custom orders, our scalable CNC machining and forging lines ensure stable, on-time delivery schedules, completely eliminating the operational risks associated with supply chain delays.
Every hanger is backed by a comprehensive, long-term anti-rust warranty, reflecting absolute confidence in the 316 marine-grade material. Coupled with a highly responsive technical support mechanism, this commitment drastically reduces post-installation liability and minimizes ongoing maintenance costs for facility operators and equipment distributors alike.
