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Cast Stainless

  • Threaded Cast Stainless Plugs are available in grades 304 and 316.
  • Stocked in sizes from 1/8" to 4".
  • Cast Stainless Threaded Plugs are available with both square and hex heads.
Five different threaded cast stainless plugs with different square and hex heads.Sizes are Nominal Pipe Size (NPS) - size chart
Cast Stainless Threaded Plugs
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To start, select size. Follow the green box to refine selections as desired. Click “Lookup Product” any time after selecting size to display products matching criteria entered so far. Fields autofill when only one choice. Or use search box above.

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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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Grade of Stainless 304 or 316 304L or 316L (low carbon)
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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 » Cast Stainless
  • Product Name: SS.125 150# THD SQ HD PLUG
  • SKU: 104012
  • Weight: .02
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 0.125
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $1.63
10 - 24 = $1.46
25 - 49 = $1.30
50 + = $1.14
Quantity:
–
+
We show 6 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 » Cast Stainless
  • Product Name: SS.125 150# THD SQ HD PLUG*
  • SKU: 113292
  • Weight: .02
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 0.125
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $2.50
10 - 24 = $2.25
25 - 49 = $2.00
50 + = $1.75
Quantity:
–
+
We show 100 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 » Cast Stainless
  • Product Name: SS.250 150# THD SQ HD PLUG
  • SKU: 107532
  • Weight: .03
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 0.25
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $1.90
10 - 24 = $1.71
25 - 49 = $1.52
50 + = $1.33
Quantity:
–
+
We show 54 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 » Cast Stainless
  • Product Name: SS.250 150# THD SQ HD PLUG*
  • SKU: 102880
  • Weight: .03
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 0.25
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $2.50
10 - 24 = $2.25
25 - 49 = $2.00
50 + = $1.75
Quantity:
–
+
We show 9 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 » Cast Stainless
  • Product Name: SS.375 150# THD SQ HD PLUG
  • SKU: 102875
  • Weight: .05
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 0.375
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $3.75
10 - 24 = $3.44
25 - 49 = $3.13
50 + = $2.50
Quantity:
–
+
We show 15 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 » Cast Stainless
  • Product Name: SS.500 150# THD HEX HD PLUG
  • SKU: 113661
  • Weight: .11
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 0.50
  • Type: hex

Description:
304 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $2.78
10 - 24 = $2.43
25 - 49 = $2.15
50 + = $1.95
Quantity:
–
+
We show 26 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 » Cast Stainless
  • Product Name: SS.500 150# THD HEX HD PLUG*
  • SKU: 118292
  • Weight: .11
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 0.50
  • Type: hex

Description:
316 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $3.34
10 - 24 = $2.92
25 - 49 = $2.59
50 + = $2.34
Quantity:
–
+
We show 0 in stock
cart-icon
Get a quick quote

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 » Cast Stainless
  • Product Name: SS.500 150# THD SQ HD PLUG
  • SKU: 114091
  • Weight: .06
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 0.50
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $2.90
10 - 24 = $2.54
25 - 49 = $2.25
50 + = $2.03
Quantity:
–
+
We show 169 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 » Cast Stainless
  • Product Name: SS.500 150# THD SQ HD PLUG*
  • SKU: 118121
  • Weight: .06
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 0.50
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $3.50
10 - 24 = $3.06
25 - 49 = $2.71
50 + = $2.45
Quantity:
–
+
We show 49 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 » Cast Stainless
  • Product Name: SS.750 150# THD HEX HD PLUG
  • SKU: 106721
  • Weight: .19
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 0.75
  • Type: hex

Description:
304 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $3.00
10 - 24 = $2.63
25 - 49 = $2.33
50 + = $2.10
Quantity:
–
+
We show 7 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 » Cast Stainless
  • Product Name: SS.750 150# THD HEX HD PLUG*
  • SKU: 128518
  • Weight: .19
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 0.75
  • Type: hex

Description:
316 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $4.00
10 - 49 = $3.50
50 - 99 = $3.10
100 + = $2.80
Quantity:
–
+
We show 5 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 » Cast Stainless
  • Product Name: SS.750 150# THD SQ HD PLUG
  • SKU: 103047
  • Weight: .13
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 0.75
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $3.20
10 - 24 = $2.80
25 - 49 = $2.48
50 + = $2.24
Quantity:
–
+
We show 102 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 » Cast Stainless
  • Product Name: SS.750 150# THD SQ HD PLUG*
  • SKU: 112994
  • Weight: .13
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 0.75
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

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

Price by Quantity:
1 - 9 = $4.24
10 - 49 = $3.71
50 - 99 = $3.29
100 + = $2.97
Quantity:
–
+
We show 152 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 » Cast Stainless
  • Product Name: SS1.00 150# THD HEX HD PLUG
  • SKU: 105541
  • Weight: .27
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 1.00
  • Type: hex

Description:
304 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $6.30
10 - 24 = $5.51
25 - 49 = $4.88
50 + = $4.41
Quantity:
–
+
We show 4 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 » Cast Stainless
  • Product Name: SS1.00 150# THD HEX HD PLUG*
  • SKU: 151136
  • Weight: .27
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 1.00
  • Type: hex

Description:
316 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $7.50
10 - 24 = $6.56
25 - 49 = $5.81
50 + = $5.25
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS1.00 150# THD SQ HD PLUG
  • SKU: 102874
  • Weight: .16
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 1.00
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

FOR 1" PIPE(1.315 OD) MALE THREADS

Price by Quantity:
1 - 9 = $4.36
10 - 24 = $3.82
25 - 49 = $3.38
50 + = $3.05
Quantity:
–
+
We show 52 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 » Cast Stainless
  • Product Name: SS1.00 150# THD SQ HD PLUG*
  • SKU: 113293
  • Weight: .16
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 1.00
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

FOR 1" PIPE(1.315 OD) MALE THREADS

Price by Quantity:
1 - 9 = $4.50
10 - 24 = $3.94
25 - 49 = $3.49
50 + = $3.15
Quantity:
–
+
We show 5 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 » Cast Stainless
  • Product Name: SS1.25 150# THD HEX HD PLUG
  • SKU: 118004
  • Weight: .38
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 1.25
  • Type: hex

Description:
304 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $10.00
10 - 24 = $9.00
25 - 49 = $8.00
50 + = $7.00
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS1.25 150# THD HEX HD PLUG*
  • SKU: 151137
  • Weight: .38
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 1.25
  • Type: hex

Description:
316 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $12.50
10 - 24 = $11.25
25 - 49 = $10.00
50 + = $8.75
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS1.25 150# THD SQ HD PLUG
  • SKU: 102864
  • Weight: .28
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 1.25
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

FOR 1-1/4" PIPE(1.66 OD) FEMALE THREADS

Price by Quantity:
1 - 9 = $10.00
10 - 24 = $9.00
25 - 49 = $8.00
50 + = $7.00
Quantity:
–
+
We show 5 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 » Cast Stainless
  • Product Name: SS1.50 150# THD HEX HD PLUG
  • SKU: 151139
  • Weight: .54
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 1.50
  • Type: hex

Description:
304 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $10.58
10 - 24 = $9.26
25 - 49 = $8.20
50 + = $7.41
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS1.50 150# THD HEX HD PLUG*
  • SKU: 151138
  • Weight: .54
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 1.50
  • Type: hex

Description:
316 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $14.00
10 - 24 = $12.25
25 - 49 = $10.85
50 + = $9.80
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS1.50 150# THD SQ HD PLUG
  • SKU: 102863
  • Weight: .36
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 1.50
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

FOR 1-1/2" PIPE(1.90 OD) FEMALE THREADS

Price by Quantity:
1 - 9 = $9.66
10 - 24 = $8.45
25 - 49 = $7.49
50 + = $6.76
Quantity:
–
+
We show 44 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 » Cast Stainless
  • Product Name: SS1.50 150# THD SQ HD PLUG*
  • SKU: 116447
  • Weight: .36
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 1.50
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

FOR 1-1/2" PIPE(1.90 OD) FEMALE THREADS

Price by Quantity:
1 - 9 = $12.94
10 - 24 = $11.50
25 - 49 = $10.06
50 + = $8.91
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS2.00 150# THD HEX HD PLUG
  • SKU: 102093
  • Weight: 1.00
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 2.00
  • Type: hex

Description:
304 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $14.00
10 - 24 = $12.25
25 - 49 = $10.85
50 + = $9.80
Quantity:
–
+
We show 5 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 » Cast Stainless
  • Product Name: SS2.00 150# THD HEX HD PLUG*
  • SKU: 151140
  • Weight: .82
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 2.00
  • Type: hex

Description:
316 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $10.60
10 - 24 = $9.28
25 - 49 = $8.22
50 + = $7.42
Quantity:
–
+
We show 0 in stock
cart-icon
Get a quick quote

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 » Cast Stainless
  • Product Name: SS2.00 150# THD SQ HD PLUG
  • SKU: 102840
  • Weight: .60
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 2.00
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

FOR 2" PIPE(2.375 OD) FEMALE THREADS

Price by Quantity:
1 - 9 = $10.74
10 - 24 = $9.40
25 - 49 = $8.32
50 + = $7.52
Quantity:
–
+
We show 29 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 » Cast Stainless
  • Product Name: SS2.00 150# THD SQ HD PLUG*
  • SKU: 103239
  • Weight: .60
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 2.00
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

FOR 2" PIPE(2.375 OD) FEMALE THREADS

Price by Quantity:
1 - 9 = $18.50
10 - 24 = $16.19
25 - 49 = $14.34
50 + = $12.95
Quantity:
–
+
We show 4 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 » Cast Stainless
  • Product Name: SS2.50 150# THD SQ HD PLUG*
  • SKU: 142176
  • Weight: .90
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 2.50
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

Price by Quantity:
1 - 9 = $21.90
10 - 24 = $19.16
25 - 49 = $16.97
50 + = $15.06
Quantity:
–
+
We show 3 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 » Cast Stainless
  • Product Name: SS3.00 150# THD SQ HD PLUG
  • SKU: 119180
  • Weight: 1.28
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 3.00
  • Type: square

Description:
304 STAINLESS FITTINGS (CAST)

FOR 3" PIPE(3.50 OD) FEMALE THREADS

Price by Quantity:
1 - 9 = $29.30
10 - 24 = $25.64
25 - 49 = $22.71
50 + = $20.51
Quantity:
–
+
We show 33 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 » Cast Stainless
  • Product Name: SS3.00 150# THD SQ HD PLUG*
  • SKU: 114512
  • Weight: 1.28
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 3.00
  • Type: square

Description:
316 STAINLESS FITTINGS (CAST)

FOR 3" PIPE(3.50 OD) FEMALE THREADS

Price by Quantity:
1 - 9 = $30.00
10 - 24 = $26.25
25 - 49 = $23.25
50 + = $21.00
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS4.00 150# THD SQ HD PLUG
  • SKU: 110451
  • Weight: 1.98
  • Class: 150#
  • End: threaded
  • Material: Stainless - 304
  • Origin: Import
  • Size: 4.00
  • Type: square

Description:
304 STAINLESS STEEL (CAST)

FOR 4" PIPE(4.50 OD) FEMALE THREADS

Price by Quantity:
1 - 4 = $63.58
5 - 9 = $55.63
10 - 24 = $49.27
25 + = $44.51
Quantity:
–
+
We show 1 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 » Cast Stainless
  • Product Name: SS4.00 150# THD SQ HD PLUG*
  • SKU: 123500
  • Weight: 1.98
  • Class: 150#
  • End: threaded
  • Material: Stainless - 316
  • Origin: Import
  • Size: 4.00
  • Type: square

Description:
316 STAINLESS STEEL (CAST)

FOR 4" PIPE(4.50 OD) FEMALE THREADS

Price by Quantity:
1 - 4 = $82.08
5 - 9 = $71.82
10 - 24 = $63.61
25 + = $57.46
Quantity:
–
+
We show 1 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.