18-npt-plug

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Gearbox 3/8"-18 NPT Brass Pressure Relief Breather Plug, 5-8 PSI, P/N 09-056
Gearbox 3/8"-18 NPT Brass Pressure Relief Breather Plug, 5-8 PSI, P/N 09-056

$8.99

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3/8 18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. NATIONAL TAPER INSPECTION
3/8 18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. NATIONAL TAPER INSPECTION

$44.99

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1/4 18 NPT L1 PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL TAPER 3 STEP
1/4 18 NPT L1 PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL TAPER 3 STEP

$49.99

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1/4" - 18 NPT L1 PIPE THREAD PLUG GAGE W HANDLE - VERMONT GAGE #401104020 - NEW
1/4" - 18 NPT L1 PIPE THREAD PLUG GAGE W HANDLE - VERMONT GAGE #401104020 - NEW

$80.99

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Gearbox 1/4"-18 NPT Brass Pressure Relief Breather Plug, 2.5-5.0 PSI, P/N 09-106
Gearbox 1/4"-18 NPT Brass Pressure Relief Breather Plug, 2.5-5.0 PSI, P/N 09-106

$10.99

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10 pcs 1/2" NPT THREAD ALLEN SOCKET PIPE PRESSURE PLUG Hydraulic Fittings SS304
10 pcs 1/2" NPT THREAD ALLEN SOCKET PIPE PRESSURE PLUG Hydraulic Fittings SS304

$16.01

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Anderson Metals 53621-06 3/8"-18 NPT Pipe Nylon Hex Head Plug
Anderson Metals 53621-06 3/8"-18 NPT Pipe Nylon Hex Head Plug

$1.24

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Dorman    090 067    Pipe Plug C S  Square 1 4 18 Npt Head Si
Dorman 090 067 Pipe Plug C S Square 1 4 18 Npt Head Si

$18.25

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Dorman 090-026 Oil Pump Pipe Plug C.S. Hex 1/4-18 Npt X 1/2 In. Ford2003-86 qty1
Dorman 090-026 Oil Pump Pipe Plug C.S. Hex 1/4-18 Npt X 1/2 In. Ford2003-86 qty1

$6.99

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Golden 1/4-18 NPT Male Pipe Thread External Seat Brass Drain Plug Cock Universal
Golden 1/4-18 NPT Male Pipe Thread External Seat Brass Drain Plug Cock Universal

$6.99

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NPT PLUG 1/8" INTERNAL HEX COUNTERSUNK PIPE FITTING MALE THREAD PIPE PLUGS 20PCS
NPT PLUG 1/8" INTERNAL HEX COUNTERSUNK PIPE FITTING MALE THREAD PIPE PLUGS 20PCS

$13.54

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1/4 18 NPT L3 SPECIAL PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL SHORT
1/4 18 NPT L3 SPECIAL PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL SHORT

$21.99

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SWANSON 3/8-18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750
SWANSON 3/8-18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750

$35.99

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MATRIC MALE - MATRIC FEMALE THREAD BRASS SUMP PLUG FITTING ADAPTER GAUGE REDUCER
MATRIC MALE - MATRIC FEMALE THREAD BRASS SUMP PLUG FITTING ADAPTER GAUGE REDUCER

$22.99

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1/4 18 NPT L1 PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL TAPER CHECK
1/4 18 NPT L1 PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL TAPER CHECK

$49.99

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(LOT OF 18) 1/2" Square Head National Pipe Thread NPT Plug 304 Stainless Steel
(LOT OF 18) 1/2" Square Head National Pipe Thread NPT Plug 304 Stainless Steel

$39.99

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1/4"-18 NPT Stainless Steel Magnetic Oil Fill / Drain Sump Plug Neodymium Magnet
1/4"-18 NPT Stainless Steel Magnetic Oil Fill / Drain Sump Plug Neodymium Magnet

$18.00

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3/8"-18 NPT Stainless Steel Magnetic Oil Fill / Drain Sump Plug Neodymium Magnet
3/8"-18 NPT Stainless Steel Magnetic Oil Fill / Drain Sump Plug Neodymium Magnet

$20.00

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Tavia P/N 08871 Airhold 18 mm Air Hold Adapter 18mm spark plug size 1/4" NPT
Tavia P/N 08871 Airhold 18 mm Air Hold Adapter 18mm spark plug size 1/4" NPT

$9.99

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1 pcs Universal Radiator Thread NPT 1/4-18 Brass petcock Drain Plug 1/4" bsp New
1 pcs Universal Radiator Thread NPT 1/4-18 Brass petcock Drain Plug 1/4" bsp New

$12.99

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2pcs Stainless Steel Plugs Allen Head 1/2" NPT Pipe Thread Socket Pipe Plugs USA
2pcs Stainless Steel Plugs Allen Head 1/2" NPT Pipe Thread Socket Pipe Plugs USA

$10.00

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Torque Solution Oil Galley Plug For Subaru EJ Engines M18-1.5 to 1/8 NPT Adapter
Torque Solution Oil Galley Plug For Subaru EJ Engines M18-1.5 to 1/8 NPT Adapter

$24.99

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25 pieces 18" NPT Hex Head Plugs  Fuel Water Air  1/8" Steel Pipe Thread
25 pieces 18" NPT Hex Head Plugs Fuel Water Air 1/8" Steel Pipe Thread

$13.95

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3/8 18 NPT 6 STEP PIPE THREAD PLUG GAGE .375 .3750 N.P.T. CREST CHECK ANPT
3/8 18 NPT 6 STEP PIPE THREAD PLUG GAGE .375 .3750 N.P.T. CREST CHECK ANPT

$109.99

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1 pcs Universal Radiator Thread NPT 1/4-18 Brass petcock Drain Plug 1/4" bsp HOT
1 pcs Universal Radiator Thread NPT 1/4-18 Brass petcock Drain Plug 1/4" bsp HOT

$12.99

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Anderson Metals 53621-04 1/4"-18 NPT Pipe Nylon Hex Head Plug
Anderson Metals 53621-04 1/4"-18 NPT Pipe Nylon Hex Head Plug

$1.44

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NPT PLUG 1/8" INTERNAL HEX COUNTERSUNK PIPE FITTING MALE THREAD PIPE PLUGS 10PCS
NPT PLUG 1/8" INTERNAL HEX COUNTERSUNK PIPE FITTING MALE THREAD PIPE PLUGS 10PCS

$8.55

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3/8 18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. NATIONAL TAPER INSPECTION
3/8 18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. NATIONAL TAPER INSPECTION

$34.99

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64 Pcs. Hydraulic NPT Pipe Fittings Cap & Plug Adapter Assortment Kit for Hose
64 Pcs. Hydraulic NPT Pipe Fittings Cap & Plug Adapter Assortment Kit for Hose

$74.99

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NEW 1/4 18 NPT L1 PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL TAPER
NEW 1/4 18 NPT L1 PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T. NATIONAL TAPER

$132.99

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5 New Steel Pipe Plugs  3/8-18 NPT Square Drive Head Free US Shipping
5 New Steel Pipe Plugs 3/8-18 NPT Square Drive Head Free US Shipping

$12.02

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10pcs Internal Hex Countersunk Pipe Fitting NPT Plug 1/8" Male Thread Pipe Plugs
10pcs Internal Hex Countersunk Pipe Fitting NPT Plug 1/8" Male Thread Pipe Plugs

$12.90

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DETROIT DIESEL PIPE PLUG 1/4X18 NPT 1/4 sq 8923874/5125237
DETROIT DIESEL PIPE PLUG 1/4X18 NPT 1/4 sq 8923874/5125237

$1.00

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16Pcs 5 Sizes Brass NPT Plug Assortment Kit, 1/8" 1/4" 3/8" 1/2" 3/4" Internal H
16Pcs 5 Sizes Brass NPT Plug Assortment Kit, 1/8" 1/4" 3/8" 1/2" 3/4" Internal H

$15.90

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BRASS SQUARE HEAD PLUG 1/8" MALE NPT MNPT FUEL/AIR/WATER/OIL/GAS WOG
BRASS SQUARE HEAD PLUG 1/8" MALE NPT MNPT FUEL/AIR/WATER/OIL/GAS WOG

$6.79

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3/8 18 NPT L1 SPECIAL STEP .3192 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. CHECK
3/8 18 NPT L1 SPECIAL STEP .3192 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. CHECK

$34.99

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STEEL SQUARE PLUG 1/8" MALE NPT MNPT HYDRUALIC/FUEL/AIR/WOG
STEEL SQUARE PLUG 1/8" MALE NPT MNPT HYDRUALIC/FUEL/AIR/WOG

$6.22

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1/4" NPT FEMALE BRASS COUPLER PLUG QUICK CONNECT AIR HOSE (QTY: 6) NOS
1/4" NPT FEMALE BRASS COUPLER PLUG QUICK CONNECT AIR HOSE (QTY: 6) NOS

$7.99

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Eaton Quick Disconnect Male Plug 1/4-18 Female NPT Coupling, p/n FD48-1002-04-04
Eaton Quick Disconnect Male Plug 1/4-18 Female NPT Coupling, p/n FD48-1002-04-04

$40.00

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RC R NPT1/8 1/4 3/8 1/2- Taper pipe through gauge threaded plug gauge ring gauge
RC R NPT1/8 1/4 3/8 1/2- Taper pipe through gauge threaded plug gauge ring gauge

$24.08

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Brass Hex Plug, Male 3/8-18 NPT Pipe Fitting AGS PTF-12B
Brass Hex Plug, Male 3/8-18 NPT Pipe Fitting AGS PTF-12B

$9.67

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20pcs Thread Socket Pipe Plug STAINLESS STEEL PLUG ALLEN HEAD 1/2" NPT PIPE USA!
20pcs Thread Socket Pipe Plug STAINLESS STEEL PLUG ALLEN HEAD 1/2" NPT PIPE USA!

$27.07

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Brass Square Head Plug, Male 1/4-18 NPT Pipe Fitting AGS PTF-59B
Brass Square Head Plug, Male 1/4-18 NPT Pipe Fitting AGS PTF-59B

$10.56

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STEEL PLUG NPT 3/8-18 HEX SOCKET MADE IN USA  SOLD IN LOTS OF 10
STEEL PLUG NPT 3/8-18 HEX SOCKET MADE IN USA SOLD IN LOTS OF 10

$22.50

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(2) Torque Solution Oil Galley Plug For Subaru EJ Engines M18-1.5 to 1/8 NPT
(2) Torque Solution Oil Galley Plug For Subaru EJ Engines M18-1.5 to 1/8 NPT

$24.99

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Lot of 2 3/8-18 NPT pipe thread 7/16" Sq head pipe plug zinc plate water oil gas
Lot of 2 3/8-18 NPT pipe thread 7/16" Sq head pipe plug zinc plate water oil gas

$9.99

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1/8" NPT Plugs Internal Hex Countersunk Pipe Fitting Male Thread Pipe Plugs 5pcs
1/8" NPT Plugs Internal Hex Countersunk Pipe Fitting Male Thread Pipe Plugs 5pcs

$10.50

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5pcs Stainless Steel Hex Head Thread Socket Pipe Plug 3/4" NPT Plugs USA STOCK
5pcs Stainless Steel Hex Head Thread Socket Pipe Plug 3/4" NPT Plugs USA STOCK

$18.00

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3/8 18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. NATIONAL TAPER INSPECTION
3/8 18 NPT L1 PIPE THREAD PLUG GAGE .375 .3750 N.P.T. NATIONAL TAPER INSPECTION

$54.99

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Brass Hex Plug, Male 1/4-18 NPT Pipe Fitting AGS PTF-11B
Brass Hex Plug, Male 1/4-18 NPT Pipe Fitting AGS PTF-11B

$9.67

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5pcs Hex Countersunk Plug Socket Head Stainless Steel Pipe 3/8" NPT Male Thread
5pcs Hex Countersunk Plug Socket Head Stainless Steel Pipe 3/8" NPT Male Thread

$13.00

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304 Stainless BSPP BSPT NPT Metric Thread Male Hex Socket Countersunk End Plug
304 Stainless BSPP BSPT NPT Metric Thread Male Hex Socket Countersunk End Plug

$3.58

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3/8-18 NPT Tapered Pipe Thread Plug Gage Assembly NIST Tracable Vermont Gage USA
3/8-18 NPT Tapered Pipe Thread Plug Gage Assembly NIST Tracable Vermont Gage USA

$114.79

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1/16" NPT PLUG HEX COUNTERSUNK SOCKET HEAD PIPE PLUGS STAINLESS STEEL 10PCS
1/16" NPT PLUG HEX COUNTERSUNK SOCKET HEAD PIPE PLUGS STAINLESS STEEL 10PCS

$6.17

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Stainless Steel 10pcs 1/16" NPT Pipe Plug Fitting Internal Hex Thread Socket
Stainless Steel 10pcs 1/16" NPT Pipe Plug Fitting Internal Hex Thread Socket

$11.00

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(3/8"-18 NPT) Stainless Engine Oil Drain Plug with Magnet Fit: Triumph MG Midget
(3/8"-18 NPT) Stainless Engine Oil Drain Plug with Magnet Fit: Triumph MG Midget

$24.99

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XRP 993202BB 1/8" NPT BLACK allen head socket pipe plug-Anodized Aluminum-QTY 6
XRP 993202BB 1/8" NPT BLACK allen head socket pipe plug-Anodized Aluminum-QTY 6

$17.99

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XRP 993202 1/8" NPT allen head socket pipe plug-Anodized Aluminum-Lot of 6
XRP 993202 1/8" NPT allen head socket pipe plug-Anodized Aluminum-Lot of 6

$17.99

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SWANSON 3/8-18 NPT PIPE THREAD PLUG GAGE .375 .3750
SWANSON 3/8-18 NPT PIPE THREAD PLUG GAGE .375 .3750

$29.99

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Ldi Industries Lsp151-03-01 Gage, Sight Plug, Lo Psi, Npt: 3/8-18
Ldi Industries Lsp151-03-01 Gage, Sight Plug, Lo Psi, Npt: 3/8-18

$14.00

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1" Npt Male Pipe Plugs Stainless Steel Pipe Fitting Hex Socket Countersunk Plug
1" Npt Male Pipe Plugs Stainless Steel Pipe Fitting Hex Socket Countersunk Plug

$12.50

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5 Pcs  Stainless Steel Pipe Plugs 1/2" NPT Hex Countersunk Plugs USA Stock FAST
5 Pcs Stainless Steel Pipe Plugs 1/2" NPT Hex Countersunk Plugs USA Stock FAST

$14.25

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PLUG GAUGE .375 18 NPT PLUG CLASS X GO P.D.62701+.0002
PLUG GAUGE .375 18 NPT PLUG CLASS X GO P.D.62701+.0002

$19.99

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BSP NPT PT G Male Stainless Steel Countersunk End Plug Internal Hex Head Socket
BSP NPT PT G Male Stainless Steel Countersunk End Plug Internal Hex Head Socket

$2.55

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Pipe Plug Assortment Kit Blue Aluminum 1/8 NPT Thru 3/4 NPT  18 PCS  Made In USA
Pipe Plug Assortment Kit Blue Aluminum 1/8 NPT Thru 3/4 NPT 18 PCS Made In USA

$42.99

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Westward Cct1060-16 Alloy Steel Plug Tap,1/4-18 Npt
Westward Cct1060-16 Alloy Steel Plug Tap,1/4-18 Npt

$4.19

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10 PCS 3/8"NPT HEX COUNTERSUNK PLUG SOCKET HEAD STAINLESS STEEL PIPE MALE THREAD
10 PCS 3/8"NPT HEX COUNTERSUNK PLUG SOCKET HEAD STAINLESS STEEL PIPE MALE THREAD

$12.34

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Sierra 18-4264 Pipe Plug 3/8-18 NPT Pipe
Sierra 18-4264 Pipe Plug 3/8-18 NPT Pipe

$7.80

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Anderson Metals 7738114-04 1/4"-18 NPT Red Brass Pipe Plug
Anderson Metals 7738114-04 1/4"-18 NPT Red Brass Pipe Plug

$2.94

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10pcs Stainless Steel 3/8" NPT Hex Countersunk Plug Socket Head Pipe Male Thread
10pcs Stainless Steel 3/8" NPT Hex Countersunk Plug Socket Head Pipe Male Thread

$16.90

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1/4-18 NPT ~ L-1  ~  1-Step ~ Thread Pipe Plug Gage Gauge .250 18 ~ Master Gage
1/4-18 NPT ~ L-1 ~ 1-Step ~ Thread Pipe Plug Gage Gauge .250 18 ~ Master Gage

$50.00

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1/4-18 NPT ~ L-1  ~  1-Step ~ Thread Pipe Plug Gage Gauge .250 18 Nat Std
1/4-18 NPT ~ L-1 ~ 1-Step ~ Thread Pipe Plug Gage Gauge .250 18 Nat Std

$45.00

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10PCS 1/16" NPT PIPE PLUG FITTING STAINLESS STEEL INTERNAL HEX THREAD SOCKET
10PCS 1/16" NPT PIPE PLUG FITTING STAINLESS STEEL INTERNAL HEX THREAD SOCKET

$7.12

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Sizes BSPP BSPT NPT Metric Male 304 Stainless Countersunk End Plug Hex Socket
Sizes BSPP BSPT NPT Metric Male 304 Stainless Countersunk End Plug Hex Socket

$3.58

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Pipe Plug Assortment Kit Red Aluminum 1/8 npt thru 3/4 npt 18 pcs Made In USA
Pipe Plug Assortment Kit Red Aluminum 1/8 npt thru 3/4 npt 18 pcs Made In USA

$42.99

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1pc  1/4"-18 NPT  Plug  Thread  Plug Thread Gage Gauge
1pc 1/4"-18 NPT Plug Thread Plug Thread Gage Gauge

$37.10

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STAINLESS STEEL PIPE PLUGS 1/2" NPT 5 PIECES HEX COUNTERSUNK PLUGS
STAINLESS STEEL PIPE PLUGS 1/2" NPT 5 PIECES HEX COUNTERSUNK PLUGS

$11.88

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Century Drill 95202 Plug Hand Pipe Tap, 1/4 - 18 NPT
Century Drill 95202 Plug Hand Pipe Tap, 1/4 - 18 NPT

$10.50

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Mercury MerCruiser 22-328022 7.4L MPI 1/8" 27 NPT Brass Pipe Plug Sierra 18-4263
Mercury MerCruiser 22-328022 7.4L MPI 1/8" 27 NPT Brass Pipe Plug Sierra 18-4263

$8.95

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STEEL HEX PLUG 1/8" MALE NPT MNPT HYDRUALIC/FUEL/AIR/WOG
STEEL HEX PLUG 1/8" MALE NPT MNPT HYDRUALIC/FUEL/AIR/WOG

$6.22

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3/8"-18 NPT L1 PIPE THREAD PLUG GAGE W/ HANDLE- VERMONT GAGE 401105520 - NEW!
3/8"-18 NPT L1 PIPE THREAD PLUG GAGE W/ HANDLE- VERMONT GAGE 401105520 - NEW!

$103.00

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1Pcs 1/4"-18 NPT Plug Thread Plug Thread Gage Gauge
1Pcs 1/4"-18 NPT Plug Thread Plug Thread Gage Gauge

$35.99

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BSPT NPT Metric Thread Male Carbon Steel Hex Socket End Plug End Cap Hydraulic
BSPT NPT Metric Thread Male Carbon Steel Hex Socket End Plug End Cap Hydraulic

$2.97

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Greenfield ¼”-18 NPT TAPERED THREAD PLUG GAGE, Assembly w/ Handle, 55336630-038
Greenfield ¼”-18 NPT TAPERED THREAD PLUG GAGE, Assembly w/ Handle, 55336630-038

$69.89

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(1/4"-18 NPT) Stainless Steel Oil Drain Plug with Neodymium Magnet
(1/4"-18 NPT) Stainless Steel Oil Drain Plug with Neodymium Magnet

$24.99

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Engine Block Drain Plug, Countersunk Hex Head.  3/8-18 NPT (Nominal Pipe Thread)
Engine Block Drain Plug, Countersunk Hex Head. 3/8-18 NPT (Nominal Pipe Thread)

$6.95

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20PCS 3/8" NPT stainless steel Pipe Plug Male Thread Internal Hex Socket Fitting
20PCS 3/8" NPT stainless steel Pipe Plug Male Thread Internal Hex Socket Fitting

$21.00

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A2 Stainless steel Internal Hex Male Blanking Plug with NPT 1/16"~2" Thread
A2 Stainless steel Internal Hex Male Blanking Plug with NPT 1/16"~2" Thread

$2.69

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10PCS 3/4" NPT Pipe Plugs Hex Countersunk Plug Socket Head Stainless Steel 304
10PCS 3/4" NPT Pipe Plugs Hex Countersunk Plug Socket Head Stainless Steel 304

$26.00

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1/4 18 NPT PLAIN REFERENCE 3/4 TPF PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T.
1/4 18 NPT PLAIN REFERENCE 3/4 TPF PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T.

$29.99

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20 X 1/4inch Pipe Fitting Plugs Stainless Steel Male NPT Thread Hex Plug Head
20 X 1/4inch Pipe Fitting Plugs Stainless Steel Male NPT Thread Hex Plug Head

$15.26

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20pcs 1/16" NPT Pipe Plug Fitting Stainless Steel Internal Hex Thread Socket USA
20pcs 1/16" NPT Pipe Plug Fitting Stainless Steel Internal Hex Thread Socket USA

$13.90

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Anderson Metals 738114-06 3/8"-18 NPT Red Brass Pipe Plug
Anderson Metals 738114-06 3/8"-18 NPT Red Brass Pipe Plug

$2.94

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5PCS 3/8" NPT PLUG MALE THREAD STAINLESS STEEL FITTING COUNTERSUNK INTERNAL HEX
5PCS 3/8" NPT PLUG MALE THREAD STAINLESS STEEL FITTING COUNTERSUNK INTERNAL HEX

$9.49

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Stainless Steel Hex Countersunk Plug Pipe Fitting 1/4NPT Male Thread Socket 10PC
Stainless Steel Hex Countersunk Plug Pipe Fitting 1/4NPT Male Thread Socket 10PC

$12.00

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PRATT & WHITNEY 1/4 18 NPT PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T.
PRATT & WHITNEY 1/4 18 NPT PIPE THREAD PLUG GAGE .25 .250 .2500 N.P.T.

$20.00

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Irwin 8203 Hanson High Carbon Steel SAE Plug Tap 1/4 in.-18NPT 1 pc
Irwin 8203 Hanson High Carbon Steel SAE Plug Tap 1/4 in.-18NPT 1 pc

$3.00

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Dorman 090-019 Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In.
Dorman 090-019 Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In.

$9.98

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Tempco Tsp02209 Screw Plug Immersion Heater,23-3/8 In. L
Tempco Tsp02209 Screw Plug Immersion Heater,23-3/8 In. L

$326.99

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Hemco 1/4-18 NPT Master Set Pipe Thread Plug Gage
Hemco 1/4-18 NPT Master Set Pipe Thread Plug Gage

$99.00

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