About AL666 Leaf Chains
AL666 belongs to the AL series leaf chains, manufactured in accordance with ANSI B29.8 industry standard. It adopts a 6×6 lacing arrangement with a pitch of 19.05 mm (0.75 inch). Constructed from premium high-strength alloy steel, all link plates are precision blanked and heat-treated, combined with solid, hardened pins to guarantee outstanding ultimate tensile strength and great fatigue resistance.
Different from transmission roller chains, leaf chains are engineered specifically for lifting and tensioning duties. AL666 leaf chain performs reliably under sustained heavy loads, featuring minimal permanent elongation, smooth flexing and low wear rate. It is a preferred component for forklift masts, overhead hoists, cranes, lifting platforms and other material handling machinery.
We provide multiple surface treatments including shot blasting, black oxide and lubrication to enhance corrosion resistance and extend service life. Custom connecting links, clevis fittings and matched assembly accessories are available. Strict quality inspection is carried out for every batch to secure consistent performance for long-term heavy-duty operation.
AL666 Leaf Chains Technical Data
| AL666 Leaf Chain Dimensions |
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| Pitch(P): 19.050 mm |
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| Plate lacing: 6×6 |
| Plate depth(h2): 15.6 mm |
| Plate thickness(T): 2.42 mm |
| Pin diameter(d2): 5.94 mm |
| Pin length(L): 32.20 mm |
| Tensile strength: 100.1/22502 kN/lbf |
| Weight per meter: 2.53 kg/m |
