About GrabiQ
GrabiQ Grade 100 Lifting Chain SolutionsGunnebo Industries
GrabiQ is the innovative adjustable chain sling product line of Gunnebo Industries, a globally recognized leader in industrial rigging, load securing, and material-handling equipment. Gunnebo's expertise spans over a century of engineering durable, safety-critical components for lifting, lashing, and transport applications across construction, fabrication, heavy haul, and offshore industries.
GrabiQ's core innovation is the integration of up to three functions—master link, connecting link, and shortening hooks—into a single Grade 100 forged component, reducing assembly complexity, weight, and inventory. Each GrabiQ component is manufactured from alloy steel heat-treated to Grade 100 (25% higher tensile strength than Grade 80), certified to international lifting standards (ASME B30.20, EN 818), and proof-tested at 2.5× working load limit to ensure safety margins in field deployment.
GrabiQ product families include the Master Grab (MG) system for 2-leg slings, the 4-leg Quad Grab (TG4), single-leg Grade 100 (MG1), the innovative C-Grab Duo connector for tandem-leg rigging, and the MIG Shortening Hook (Mid-Grab) for on-the-fly length adjustment without removing the sling from the load. All lifting capacities are clearly marked on each component; for example, a 3/8" Master Grab rates 8,800 lbs working load limit (WLL), while a 5/8" TG4 assembly reaches 58,700 lbs for four-leg configurations.
GrabiQ slings deliver 40% lighter weight compared to traditional adjustable slings using separate master links, rigging rings, and individual shortening hooks—a dramatic reduction that enables safer handling, faster rigging setup, and lower crane overhead capacity requirements on jobsites. Adjustable length and cradle lug design prevent chain link deformation, maintain working load limits across multiple rigging angles, and eliminate the risk of mandrel-slip failures common in older lockbolt systems.
ChatMRO accelerates GrabiQ procurement: describe your lift weight (lbs or tons), number of rigging legs (1, 2, 4), required sling length, and chain size preference, and ChatMRO instantly retrieves the matching GrabiQ Master Grab or TG4 configuration from 30M+ indexed inventory — complete with proof-test certificates, certified lift charts, and cross-compatible accessory options — ensuring safe, compliant rigging for every load from pipe runs to steel frame assembly.
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Frequently asked questions
What is the key difference between a GrabiQ Master Grab and traditional adjustable chain slings?
A GrabiQ Master Grab combines the master link, connecting link for two chain legs, and individual shortening hooks into one integrated forged component; traditional slings require separate rigging rings, master links, and hook attachments bolted or riveted together. GrabiQ's single-piece design eliminates 3–5 fastening points, reduces assembly labor, cuts sling weight by ~40%, and improves reliability by removing potential failure modes at connection joints.
How is Grade 100 chain stronger than Grade 80, and why does it matter in lifting?
Grade 100 alloy steel chain is heat-treated to a higher tensile strength (approximately 100 ksi minimum) compared to Grade 80 (~80 ksi), yielding 25% higher working load limits per chain diameter. This means a 3/8" Grade 100 link has proportionally greater safety margin than a 3/8" Grade 80; for heavy jobsite lifts where weight savings and load capacity are critical, Grade 100 GrabiQ slings deliver superior confidence and compliance with load charts at the same or smaller chain diameter.
Can I adjust a GrabiQ sling length in the field without removing the load?
GrabiQ MIG Shortening Hooks (Mid-Grab), rated to Grade 100 standards, allow you to shorten a sling by hooking a chain link at an intermediate position, effectively reducing rigging length on the fly. However, the load must be safely supported (either by lowering slightly or by a secondary rigging) before adjusting a sling; never attempt dynamic shortening under a suspended load — always follow Gunnebo's field rigging manual and ASME B30.20 safe work practices.
What certifications and test standards apply to GrabiQ slings?
GrabiQ assemblies comply with ASME B30.20 (rigging hardware), EN 818 (European chain safety), and applicable OSHA/ANSI regulations; each sling receives individual proof testing at 2.5 times the working load limit before shipment, and Gunnebo provides certified test reports and load charts. Always verify the specific certification marking on your sling (Grade, WLL, proof-test date) matches your project's compliance requirements before use.
How do I determine the correct leg count (2-leg, 4-leg, or single-leg) for my rigging task?
Leg count depends on your load geometry and rigging angle: 2-leg slings (Master Grab) suit symmetric rectangular loads with balanced lift points; 4-leg slings (TG4) distribute load across four corners, reducing angle stress and chain bending; single-leg (MG1) is for vertically-suspended, balanced loads or spreader-bar rigging. Calculate your rigging angle and consult Gunnebo's load charts — wider angles between legs reduce effective working load per leg, so 4-leg often provides higher total safe lift than 2-leg for wide loads.