Generic BLK-G80-3T-100MM-SWIVEL Forged Grade 80 single-sheave swivel-hook block for wire-rope and synthetic-sling reeving on deck cranes, anchor-handling winches. Rated for marine service and available with class-society type approval where required by DNV, ABS, LR, BV or ClassNK survey rules.
| Working load limit | 3 t @ 4:1 design factor Sheave diameter: 100 mm minimum recommended rope: D/d ≥ 18 for permanent service per ISO 4309 Side plates: Grade 80 alloy steel Sheave: Grade 60 alloy steel, induction-hardened groove Sheave bushing: bronze or roller bearings (WLL > 12 t) Hook (where fitted): forged Grade 80 with safety latch Finish: hot-dip galvanised or shot-blast + epoxy Proof load: 2 × WLL minimum break load: 4 × WLL Marking: WLL, batch ID, manufacturer logo |
| CE Certificate | EN 10204 3.1 mill cert with lot traceability |
| Material | Grade 80 alloy steel forged |
| MOQ | 1 |
Form-fit envelope of Crosby McKissick 419 / 419W snatch, 416 swivel, 415 tilt blocks, Van Beest Green Pin Snatch, Gunnebo Industries BS, William Hackett WH-SB and Pewag SBH single-sheave blocks. Sheave diameter and hook geometry match the Crosby McKissick 419 published dimensions at the same WLL band.