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(S211-12) SQUARE HEAD PIPE PLUG

Description & Features

Manufactured by Midland Industries, the (S211-12) Square Head Pipe Plug is a standard pipe plug designed for sealing threaded ports and passages in hydraulic systems, fluid power circuits, and industrial equipment. The square head drive provides a reliable gripping surface for installation and removal with standard wrenches, making it well-suited for maintenance-intensive applications where plugs may need to be accessed repeatedly.

This plug is commonly used to close off unused ports in manifolds, valves, cylinders, and similar components. The square head configuration is a recognized industry-standard design for pipe thread plugs used across a broad range of industrial fluid and pneumatic applications.

SKU: 28088

Supplier Part Number (MPN): 28088

Specifications

Brand Midland Industries	Brand Midland Industries	Pack Size 1.00	UOM EA	Supplier Part Number 28088	Product Weight 0.13 lbs

Product Questions & Answers (2)

Question by: Sheila S on May 19, 2025, 6:27 AM

Reckon this'll plug up them unused holes in my hydraulic manifold just fine? I need somethin' that can take a lickin'.

Answer by: Customer Support on May 20, 2025, 9:15 PM

This square head pipe plug is designed for exactly that purpose, sealing unused ports in manifolds, valves, and cylinders. The square head provides a good grip for tightening and removal, which is handy for maintenance.

Question by: Wes P on Nov 19, 2025, 7:49 PM

got a manifold with a couple ports i aint using, is this plug meant for just capping those off?

Answer by: Customer Support on Nov 21, 2025, 7:42 PM

For closing off unused threaded ports and passages, this square head pipe plug is a common choice in hydraulic systems and general industrial fluid power setups, especially on manifolds, valves, and cylinders.