Steel Flanged Cover | Machined Cap with a Center Hole

A steel flanged cover machined as one piece to close a bore.

– One piece — face, hub and skirt in one setup
– Bore concentric — true to the skirt
– Notch on position — it meets your seat
– Crown held — the face keeps its shape
– Edges clean — deburred all round
– First article gauged — checked to your 3D file

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Overview

A steel flanged cover closes a bore with one machined piece. A round face carries a shallow crown and a raised hub, and a hole runs through the middle of that hub. Under the face a flanged skirt drops into the seat, and a bead runs around the base of the skirt.

A keyed notch and a matching lug are cut into the skirt, so a steel flanged cover indexes against the seat it was made for.

Our custom machined flange and disc pairs a flange with a flat disc in aluminum and steel, and the machined metal housing leaves the machine as a closed shell; this steel flanged cover is a machined cap whose bore sits in the middle of a keyed skirt.

Key Features & Benefits

  • One piece — face, hub and skirt come off one machining cycle
  • Bore on center — the hole runs concentric with the skirt
  • Keyed skirt — the notch and the lug index the cover in the seat
  • Crown held — the dished face keeps its shape after turning
  • Bead at the base — the rolled edge beds down in the bore

A steel flanged cover is machined from one piece, so the hole, the face and the skirt stay in step part after part.

Customization Options

Outer diameter, skirt height, bore diameter, hub height, crown depth, notch width and notch position come from your 3D file, so a steel flanged cover is cut for the seat you already run.

  • Outer diameter and skirt height — matched to your bore
  • Bore diameter and hub height — taken from your 3D file
  • Notch and lug — placed where your seat needs them
  • Face crown — set to the profile your 3D file shows
  • Metal and finish — steel, or the metal your 3D file calls for

Quality & Delivery

Every steel flanged cover we machine is measured against your 3D file before the run is released. Outer diameter, skirt height, bore diameter, hub height and crown depth are gauged on the first article, and the notch position is checked against the seat.

We machine each steel flanged cover to your 3D file, so the hole, the face and the keyed skirt follow the model. Send the 3D file and we return a quotation with the unit price and the lead time.

Related Capabilities

Flat discs and machined flanges sit beside this steel flanged cover. The custom machined structural parts start as aluminum blocks, the custom machined bushing and sleeve guides a shaft, and the plastic flanged hub carries a white flange on a wheel body.

Polished metal runs on the same machines — the metal oval ring handle is a door pull, the ball foot plugs round tubing, and the metal furniture leg stands a cabinet on a turned column. Send your 3D file for a quotation.

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You may add material , quantity or other requirements here.