Cold Headers
Cold Headers
5514 N. Elston Ave
Chicago, IL 60630
Phone: 1-773-775-7900
Fax: 1-773-775-0779
Email: sales@coldheaders.com
Website: www.coldheaders.com
Working Hours: Mon - Fri 8:00am - 4:30pm CST
Saturday - Sunday CLOSED If you have any questions, please call or email us.
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Socket Pipe Plugs

Socket pipe plugs are internally driven threaded plugs designed to close threaded pipe openings in fluid handling systems, pneumatic equipment, hydraulic assemblies, valves, pumps, manifolds, and industrial machinery. Their internal hex drive allows installation and removal using standard hex keys or hex bits while maintaining a compact profile that is suitable for applications where external wrench clearance is limited.

Socket pipe plugs are commonly specified for industrial machinery, hydraulic systems, pneumatic equipment, pumps, valves, process equipment, maintenance repairs, instrumentation, automation equipment, and OEM manufacturing. Their internally driven design provides convenient installation in recessed locations while allowing future removal when servicing or modifying equipment.

Proper pipe plug selection should consider thread size, thread type, installation method, mating component, operating environment, and system requirements. Individual product pages provide verified thread sizes and dimensional information where available to assist engineers, maintenance professionals, and purchasing teams in selecting the appropriate pipe plug.

Cold Headers supplies socket pipe plugs in a broad range of sizes, including standard and difficult-to-source configurations. Our catalog is organized to simplify exact-size sourcing while providing consistent engineering information across every product family.

Why Choose Socket Pipe Plugs?

  • Internal hex drive: Allows installation using standard hex keys or hex bits.
  • Compact design: Well suited for recessed installations and applications with limited wrench clearance.
  • Industrial applications: Commonly used in hydraulic systems, pneumatic equipment, pumps, valves, manifolds, and machinery.
  • Serviceable design: Allows removal for maintenance, inspection, or system modification.
  • Verified engineering dimensions: Product pages provide thread size and additional dimensional information where available.

Selecting the Correct Socket Pipe Plug

Begin by confirming the required thread size and thread type. Review installation clearance, mating component requirements, operating environment, and service conditions before selecting a pipe plug. Final selection should reflect the functional requirements of the completed assembly.

Cold Headers Inc. has supplied specialty industrial fasteners and related products since 1962. Our catalog helps engineers, distributors, maintenance professionals, and purchasing teams locate exact sizes and difficult-to-find industrial fastening products without unsupported inventory claims.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

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Unit of Measure
1 

Item #

Item Name

Standard Pipe Size

Quantity

List Price (per 100 pieces)

1/16 Socket Pipe Plug 3/4T N/A 1/16- Inch (in) Standard Pipe Size 3/4 taper Socket Pipe Plug N/A 1/16-27 x 5/16 in N/A 100 $12.00
1/8 Socket Pipe Plug 3/4T N/A 1/8- Inch (in) Standard Pipe Size 3/4 taper Socket Pipe Plug N/A 1/8-27 x 5/16 in N/A 100 $14.00
1/4 Socket Pipe Plug 3/4T N/A 1/4- Inch (in) Standard Pipe Size 3/4 taper Socket Pipe Plug N/A 1/4-18 x 7/16 in N/A 100 $15.00
3/8 Socket Pipe Plug 3/4T N/A 3/8- Inch (in) Standard Pipe Size 3/4 Socket Pipe Plug N/A 3/8-18 x 1/2 in N/A 100 $20.00
1/2 Socket Pipe Plug 3/4T N/A 1/2- Inch (in) Standard Pipe Size 3/4 Socket Pipe Plug N/A 1/2-14 x 9/16 in N/A 50 $35.00
3/4 Socket Pipe Plug 3/4T N/A 3/4- Inch (in) Standard Pipe Size 3/4 Socket Pipe Plug N/A 3/4-14 x 5/8 in N/A 50 $44.32
1 Socket Pipe Plug 3/4T N/A 1- Inch (in) Standard Pipe Size 3/4 Socket Pipe Plug N/A 1-11 1/2 x 3/4 in N/A 50 $107.56
1 1/4 Socket Pipe Plug 3/4T N/A 1 1/4- Inch (in) Standard Pipe Size 3/4 Socket Pipe Plug N/A 1 1/4-11 x 13/16 in N/A 50 $239.66
1/16 Socket Pipe Plug 7/8T N/A 1/16- Inch (in) Standard Pipe Size 7/8 taper Socket Pipe Plug N/A 1/16-27 x 1/4 in N/A 100 $14.00
1/8 Socket Pipe Plug 7/8T N/A 1/8- Inch (in) Standard Pipe Size 7/8 taper Socket Pipe Plug N/A 1/8-27 x 1/4 in N/A 100 $16.00
1/4 Socket Pipe Plug 7/8T N/A 1/4- Inch (in) Standard Pipe Size 7/8 taper Socket Pipe Plug N/A 1/4-18 x 13/32 in N/A 100 $18.00
3/8 Socket Pipe Plug 7/8T N/A 3/8- Inch (in) Standard Pipe Size 7/8 taper Socket Pipe Plug N/A 3/8-18 x 13/32 in N/A 100 $25.00
1/2 Socket Pipe Plug 7/8T N/A 1/2- Inch (in) Standard Pipe Size 7/8 taper Socket Pipe Plug N/A 1/2-14 x 17/32 in N/A 50 $35.00
3/4 Socket Pipe Plug 7/8T N/A 3/4- Inch (in) Standard Pipe Size 7/8 taper Socket Pipe Plug N/A 3/4-14 x 17/32 in N/A 50 $60.00
Unit of Measure
1