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Steel Merchant

  • Steel Merchant Plugs provide an inexpensive alternative to other threaded plugs.
  • Both Black and Galvanized finishes available.
  • Available in sizes from 1/8" to 2".
  • Steel Merchant Plugs are stocked with both square heads and hex socket heads.
Sizes are Nominal Pipe Size (NPS) - size chartFive different Steel Merchant Plugs in black and galvanized finishes.
Steel Merchant Plugs
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Class for pipe fittings is a standard defined by the ASME/ASTM. Though stated with a # sign, such as 150# or 3000#, it is not a direct pressure rating.  The pressure rating is dependent on material and temperature and is found by consulting an appropriate reference guide. XH relates to pipe wall thickness according to standard chart for given pipe diameter. bar means the item is made from solid bar stock and can be used for ratings up to and including class 6000#.
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Threaded - standard exposed head. Threaded by Socket - hex socket used to turn plug.
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Black - standard pipe finish. Galvanized - zinc plated for corrosion resistance.
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Domestic - Made in the USA. Import - Made elsewhere.
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Hex, Round, or Square head.
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Plugs » Steel Merchant
  • Product Name: .125 HEX SOCKET PLUG
  • SKU: 106698
  • Weight: .06
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 0.125
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB00)

FOR 1/8" PIPE (.405 OD) COUNTERSUNK HEX SOCKET

Price by Quantity:
1 - 9 = $0.72
10 - 49 = $0.63
50 - 99 = $0.56
100 + = $0.50
Quantity:
–
+
We show 144 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .125 SQ HD PLUG
  • SKU: 105242
  • Weight: .02
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 0.125
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PB00

FOR 1/8" PIPE SIZES (.405 OD) MALE THREADS

Price by Quantity:
1 - 9 = $0.75
10 - 49 = $0.65
50 - 99 = $0.55
100 + = $0.50
Quantity:
–
+
We show 129 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .125 SQ HD PLUG GALV
  • SKU: 100783
  • Weight: .02
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.125
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PG00

FOR 1/8" PIPE SIZES (.405 OD) MALE THREADS

Price by Quantity:
1 - 9 = $1.00
10 - 49 = $0.85
50 - 99 = $0.75
100 + = $0.60
Quantity:
–
+
We show 68 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .250 HEX SOCKET PLUG
  • SKU: 111946
  • Weight: .09
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 0.250
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB01)

FOR 1/4" PIPE (.540 OD) MALE THREADS, COUNTERSUNK HEX SOCKET

Price by Quantity:
1 - 9 = $0.76
10 - 49 = $0.67
50 - 99 = $0.59
100 + = $0.53
Quantity:
–
+
We show 179 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .250 SQ HD PLUG
  • SKU: 100963
  • Weight: .06
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 0.250
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PB01

FOR 1/4" PIPE SIZES (.540 OD) MALE THREADS

Price by Quantity:
1 - 9 = $1.17
10 - 49 = $1.07
50 - 99 = $0.98
100 + = $0.78
Quantity:
–
+
We show 127 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .250 SQ HD PLUG GALV
  • SKU: 107872
  • Weight: .03
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.250
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PG01

FOR 1/4" PIPE SIZES (.540 OD) MALE THREADS

Price by Quantity:
1 - 9 = $0.60
10 - 49 = $0.55
50 - 99 = $0.50
100 + = $0.40
Quantity:
–
+
We show 124 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .375 HEX SOCKET PLUG
  • SKU: 106823
  • Weight: .07
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 0.375
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB02)

FOR 3/8" PIPE (.675 OD) MALE THREADS, COUNTERSUNK HEX SOCKET

Price by Quantity:
1 - 9 = $1.02
10 - 49 = $0.89
50 - 99 = $0.79
100 + = $0.71
Quantity:
–
+
We show 168 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .375 SQ HD PLUG
  • SKU: 104339
  • Weight: .07
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 0.375
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PB02

FOR 3/8" PIPE SIZES (.675 OD) MALE THREADS

Price by Quantity:
1 - 9 = $1.23
10 - 49 = $1.13
50 - 99 = $1.03
100 + = $0.82
Quantity:
–
+
We show 413 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .375 SQ HD PLUG GALV
  • SKU: 105008
  • Weight: .07
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.375
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PG02

FOR 3/8" PIPE SIZES (.675 OD) MALE THREADS

Price by Quantity:
1 - 9 = $0.80
10 - 49 = $0.75
50 - 99 = $0.70
100 + = $0.60
Quantity:
–
+
We show 101 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .500 HEX SOCKET PLUG
  • SKU: 102130
  • Weight: .06
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 0.500
  • Type: hex

Description:
STEEL COUNTERSUNK (#M-PHSB03)

FOR 1/2" PIPE (.840 OD) MALE THREADS, COUNTERSUNK HEX SOCKET

Price by Quantity:
1 - 9 = $1.30
10 - 49 = $1.14
50 - 99 = $1.01
100 + = $0.91
Quantity:
–
+
We show 193 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .500 SQ HD PLUG
  • SKU: 102966
  • Weight: .13
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 0.500
  • Type: square

Description:
SEAMLESS STEEL MERCHANT

FOR 1/2" PIPE SIZES (.840 OD) MALE THREADS

Price by Quantity:
1 - 9 = $2.19
10 - 49 = $2.01
50 - 99 = $1.83
100 + = $1.46
Quantity:
–
+
We show 2002 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .500 SQ HD PLUG GALV
  • SKU: 108001
  • Weight: .14
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.500
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PG03

FOR 1/2" PIPE SIZES (.840 OD) MALE THREADS

Price by Quantity:
1 - 9 = $3.60
10 - 49 = $3.00
50 - 99 = $2.70
100 + = $2.40
Quantity:
–
+
We show 185 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .750 HEX SOCKET PLUG
  • SKU: 102131
  • Weight: .11
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 0.750
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB04)

FOR 3/4" PIPE (1.05 OD) MALE THREADS, COUNTERSUNK HEX SOCKET

Price by Quantity:
1 - 9 = $1.50
10 - 49 = $1.31
50 - 99 = $1.16
100 + = $1.05
Quantity:
–
+
We show 186 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .750 SQ HD PLUG
  • SKU: 103104
  • Weight: .19
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 0.750
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PB04

FOR 3/4" PIPE SIZES (1.05 OD) MALE THREADS

Price by Quantity:
1 - 9 = $3.48
10 - 49 = $3.19
50 - 99 = $2.90
100 + = $2.32
Quantity:
–
+
We show 448 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: .750 SQ HD PLUG GALV
  • SKU: 107379
  • Weight: .19
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.750
  • Type: square

Description:
SEAMLESS STEEL MERCHANT(M-PG04

FOR 3/4" PIPE SIZES (1.05 OD) MALE THREADS

Price by Quantity:
1 - 9 = $4.08
10 - 24 = $3.74
25 - 99 = $3.40
100 + = $2.72
Quantity:
–
+
We show 120 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: 1.00 HEX SOCKET PLUG
  • SKU: 102132
  • Weight: .21
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 1.000
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB05)

FOR 1" PIPE (1.315 OD) MALE THREADS, COUNTERSUNK HEX SOCKET

Price by Quantity:
1 - 9 = $3.94
10 - 49 = $3.45
50 - 99 = $3.05
100 + = $2.76
Quantity:
–
+
We show 143 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: 1.25 HEX SOCKET PLUG
  • SKU: 102133
  • Weight: .34
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 1.250
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB06)

FOR 1-1/4" PIPE (1.66 OD) MALE THREADS, COUNTERSUNK HEX SOCK

Price by Quantity:
1 - 9 = $5.68
10 - 49 = $4.94
50 - 99 = $4.40
100 + = $3.98
Quantity:
–
+
We show 59 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: 1.50 HEX SOCKET PLUG
  • SKU: 102134
  • Weight: .52
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 1.500
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB07)

FOR 1-1/2" PIPE (1.90 OD) MALE THREADS, COUNTERSUNK HEX SOCK

Price by Quantity:
1 - 9 = $8.14
10 - 49 = $7.12
50 - 99 = $6.31
100 + = $5.70
Quantity:
–
+
We show 23 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

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Plugs » Steel Merchant
  • Product Name: 2.00 HEX SOCKET PLUG
  • SKU: 102135
  • Weight: .85
  • Class: 150#
  • End: threaded x socket
  • Finish: Black
  • Origin: Import
  • Size: 2.000
  • Type: hex

Description:
STEEL COUNTERSUNK (M-PHSB08)

FOR 2" PIPE (2.375 OD) MALE THREADS, COUNTERSUNK HEX SOCKET

Price by Quantity:
1 - 9 = $15.75
10 - 49 = $14.85
50 - 99 = $13.95
100 + = $12.60
Quantity:
–
+
We show 40 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.