The Machining & Welding 3500 LB 4 IN Manhole Key is built to lift manhole covers, rated to 3,500 pounds and sized for 4 inch pick holes.

The key engages the pick holes in a manhole cover, letting one or two workers lift and shift the cover without prying or lifting it by hand.

The key is forged from steel, sized to match standard manhole cover pick hole spacing and rated to lift covers at its stated capacity.

A properly sized manhole key reduces back strain and the risk of dropped covers compared to prying with a screwdriver or pry bar.

Maintenance departments, fabrication shops, warehouses, and construction crews all rely on equipment in this category to handle lifts that come up again and again. Having the right beam or crane on hand means operators are not left rigging a load with mismatched slings or borrowed hardware, which keeps every lift consistent regardless of who is running it that day.

Rated capacity should always be treated as a hard limit, not a target, and a quick visual inspection before each lift is one of the simplest ways to keep a lifting operation safe. Make sure your operators are trained on the specific rigging setup this equipment requires, and confirm that anyone signing off on a lift understands how to read the working load limit and match it against the actual load being moved.

Rigging hardware like this sees repeated use, so look for equipment that is properly rated, clearly marked, and traceable to a manufacturer that stands behind its specifications. Keeping documentation on hand for each piece of equipment also makes routine inspections and any future certification requirements easier to manage.

The full spec sheet is below, covering capacity, dimensions, and construction details at a glance.

Add the Machining & Welding 3500 LB 4 IN Manhole Key to your utility crew's standard toolkit.

Product Info:
•  Capacity: 3,500 lbs
•  Size: 4 in
•  Shipping Weight: 3 lbs