FCH News

5/16-18 Hex Coupling Nuts

Coupling Nuts, also known as Extension Nuts, are threaded fastener for joining two male threaded objects, most commonly threaded rod, but also pipes. The outside of the coupling nut is usually a hex so it can be gripped by a wrench.

95 results, (click on any line for more information)

< td>5/16-18 x 7/16 x 7/8
Search Results Sponsored by American Imperial Screw, your source for Coupling Nuts. For more results, visit   www.discountscrews.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
Buy Hex Coupling Nuts from one of our FCH Network Members
WeaverWACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 coupling nut 18-8 ss125
    Contact_Supplier
WeaverWACoupling NutSteelPlain5/16-18 x 1 3/45/16-18x1 3/4 coupling nut plain350
    Contact_Supplier
WeaverWACoupling NutSteelZinc/Clear5/16-18 x 1 3/45/16-18x1 3/4 coupling nut zinc200
    Contact_Supplier
WeaverWACoupling NutSteelPlain5/16-18 x 7/85/16-18x7/8 short coupling nut plain100
    Contact_Supplier
WeaverWACoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18x7/8 short coupling nut zinc2000
    Contact_Supplier
Future FastenerTXCoupling NutSteelZinc/Clear5/16-185/16-18 coupling nut plt9
    Contact_Supplier
Future FastenerTXCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 coupling nut ss40
    Contact_Supplier
JacksonMSCoupling NutSteelZinc/Clear5/16-18nc heavy coupling nut 5/8 wafx1 3/4 oal135
    Contact_Supplier
YANKEENHCoupling NutSteelZinc/Clear5/16-18 x 1 1/85/16-18 x 1-1/8 coupling nut steel zinc plated251
    Contact_Supplier
YANKEENHCoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18 x 7/8 coupling nut narrow zinc pltd21
    Contact_Supplier
YANKEENHCoupling NutSteelZinc/Clear5/16-18 x 1 3/4coupling nut488
    Contact_Supplier
ASMCILCoupling NutGrade AZinc/Clear5/16-18 x 7/16 x 7/85/16-18xw7/16xl7/8 coarse a563 gra hex rod coupling nut low carb zp118
    Contact_Supplier
ASMCILCoupling NutGrade AGalvanized5/16-18 x 1/25/16-18xw1/2xl1 3/4 coarse a563 gra hex rod coupling nut low carb hdg b18.2.2159
    Contact_Supplier
GLFOHCoupling NutSteelZinc/Clear5/16-18 x 1 3/4 x 1/25/16-18x1-3/4x1/2 waf hex coupling nut stl zc b18.2.2 () ()202
    Contact_Supplier
GLFOHCoupling NutSteelZinc/Clear5/16-18 x 1 3/4 x 5/85/16-18x1-3/4x5/8 waf hex coupling nut stl zc b18.2.2 () ()96
    Contact_Supplier
EndriesWICoupling NutSteelPlain5/16-18x1/2x7/8 coupling nut enviro-black hex free 500hr to red840
    Contact_Supplier
AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 7/165/16-18 x 1 cplng nut 7/16 af s/s b18.2.241
    Contact_Supplier
AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 7/165/16-18 x 1 cplng nut 7/16 af s/s b18.2.220
    Contact_Supplier
AbabaCACoupling NutSteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/8 cplng nut 1/2 af stl znc b18.2.2456
    Contact_Supplier
AbabaCACoupling NutSteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/8 cplng nut 1/2 af stl znc b18.2.2100
    Contact_Supplier
AbabaCACoupling NutSteelZinc/Clear5/16-18 x 1 3/45/16-18 x 1 3/4 cplng nut stl znc b18.2.2150
    Contact_Supplier
AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18 x 7/8 cplng nut s/s b18.2.24
    Contact_Supplier
AbabaCACoupling NutSteelZinc/Clear5/16-18 x 7/8 7/165/16-18 x 7/8 cplng nut 7/16 af stl znc b18.2.21700
    Contact_Supplier
NAPPCOTXCoupling NutSteelZinc/Clear5/16-18 x 1 3/4hex coupling nut steel zp 5/16-18x1-3/4 (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD))100
    Contact_Supplier
NAPPCOTXCoupling NutSteelZinc/Clear5/16-18 x 1 3/4hex coupling nut steel zp 5/16-18x1-3/4 (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD)) (160-NUTS (STANDARD))800
    Contact_Supplier
MTPCACoupling NutSteelPlain5/16-18 x 1 1/25/16-18 x 1 steel plain coupling nut 1/2 a/f800
    Contact_Supplier
ACCURATEILCoupling NutSteelZinc/Clear5/16-18 x 1 3/45/16-18x1 3/4 hex coupling nut zinc310
    Contact_Supplier
ACCURATEILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1hex coupling nuts 18-8 30456
    Contact_Supplier
CenturyNYCoupling NutSteelPlain5/16-18 x 1/2 wide 1-3/4 long coupling nut steel plain300
    Contact_Supplier
LibertyILCoupling NutSteelZinc/Clear5/16-18 x 1/25/16-18x1/2 afx1-3/4 long rod coupling nut zinc500
    Contact_Supplier
LibertyILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18rod coupling nut 7/8lg 1/2af 18-8 s/s 1/2af 18-8 s/s500
    Contact_Supplier
LibertyILCoupling NutSteelZinc/Clear5/16-18 x 1 1/8rod coupling nut nut97
    Contact_Supplier
LibertyILCoupling NutSteelPlain5/16-18 x 1/2 af x 1-3/4 long rod coupling nut plain950
    Contact_Supplier
KomarMOCoupling NutSteelZinc/Clear5/16-18 x 1lg. coupling nut 1/2 dia2800
    Contact_Supplier
Alma BoltMICoupling NutSteelPlain5/16-18heavy(5/8 afx1 3/4) coupling nut2056
    Contact_Supplier
Alma BoltMICoupling NutSteelZinc/Clear5/16-185/16-18 zinc plated(1/2x1 1/8) coupling nut1413
    Contact_Supplier
Alma BoltMICoupling NutSteelZinc/Clear5/16-18(5/8afx1 3/4lg) coupling nut300
    Contact_Supplier
METRO INDOHCoupling NutSteelZinc/Clear5/16-18coupling nut uss970
    Contact_Supplier
Fastener OHCoupling NutSteelZinc/Clear5/16-18 x 7/8coupling nut 5/16-18x7/8 zinc plated 1130
    Contact_Supplier
Fastener OHCoupling NutSteelZinc/Clear5/16-18 x 1 1/8coupling nut 5/16-18x1-1/8 zinc plated 3
    Contact_Supplier
RCFastAZCoupling NutSteelZinc/Clear5/16-18 x 1 1/8hex coupling nut stl 13100
    Contact_Supplier
XL ScrewGACoupling NutSteelZinc/Clear5/16-18 x 7/16 x 7/8hex coupling nuts dc-dc zp2,000
    Contact_Supplier
XL ScrewGACoupling NutSteelZinc/Clear5/16-18 x 1/2 x 1 1/8hex coupling nuts dc-dc zp900
    Contact_Supplier
SWACOOHCoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18x7/8 coupling nut zinc193
    Contact_Supplier
SWACOOHCoupling NutSteelZinc/Clear5/16-18 x 1 1/85/16-18x1 1/8 coupling nut zinc402
    Contact_Supplier
ExpressCACoupling NutSteelPlain5/16-18 x 7/16 x 7/85/16-18x7/16x7/8 coupling nut econo plain150
    Contact_Supplier
NutsBoltsNECoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 ss coupling nut46
    Contact_Supplier
NutsBoltsNECoupling NutSteelZinc/Clear5/16-185/16-18 s coupling nut zp536
    Contact_Supplier
NutsBoltsNECoupling NutSteelZinc/Clear5/16-185/16-18 l coupling nut zp57
    Contact_Supplier
NutsBoltsNECoupling NutSteelZinc/Clear5/16-18 x 7/8 1/25/16-18 x 7/8 coupling nut zp 1/2 hex401
    Contact_Supplier
UNEEDANJCoupling NutSteelPlain5/16-18coupling nut274
    Contact_Supplier
SIIINCoupling NutSteelZinc/Clear5/16-18 x 7/8 x 7/165/16-18 x l7/8 x w7/16 coupling nut zinc plated) b18.2.21339
    Contact_Supplier
SIIINCoupling NutSteelZinc/Clear5/16-18 x 1 3/4 x 7/165/16-18 x l1-3/4 x w7/16 coupling nut zinc plated) b18.2.2250
    Contact_Supplier
IPCVACoupling NutSteelZinc/Clear5/16-18 x 7/165/16-18x7/16 hex coupling nut steel cr3 zinc-rohs 7/8 long75
    Contact_Supplier
NorthernMNCoupling NutSteelBlack Oxide5/16-18nc coupler nut black rie4037a349
    Contact_Supplier
HBBOLTCACoupling NutSteelZinc/Clear5/16-18 x 1 3/4hex coupling nut607
    Contact_Supplier
HBBOLTCACoupling NutSteelPlain5/16-18economy coupling nut 7/8150
    Contact_Supplier
HBBOLTCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1coupling nut 18-8 ss98
    Contact_Supplier
JET FITTINGCACoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18x7/8 coupling nut zinc CN-.31C.87-Z b18.2.2193
    Contact_Supplier
DeltaTXCoupling NutSteelZinc/Clear5/16-18rod coupling nut zinc-econ 5/16-18 (7/16 AF X 7/8 LONG)2620
    Contact_Supplier
DeltaTXCoupling NutSteelZinc/Clear5/16-18rod coupling nut zinc 5/16-18 (5/8 AF X 1 3/4 LONG)100
    Contact_Supplier
DeltaTXCoupling NutSteelZinc/Clear5/16-18coupling nut zinc 5/16-18 (1/2 AF X 1 3/4 LONG)89
    Contact_Supplier
QCSORCoupling NutSteelPlain5/16-18x7/16x7/8 econo rod coupling nut plain300
    Contact_Supplier
StandardMACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 coupling nut 18-8 stainless steel b18.2.22950
    Contact_Supplier
AFIFLCoupling NutSteelZinc/Clear5/16-18 x 1 1/25/16-18x1-1/8-1/2 hex coupling nut st zn600
    Contact_Supplier
B & K FASTPACoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18 x 7/8 short coupling nuts zinc b18.2.210
    Contact_Supplier
B & K FASTPACoupling NutSteelZinc/Clear5/16-18 x 1 1/85/16-18 x 1 1/8 hex coupling nuts zinc b18.2.2451
    Contact_Supplier
B & K FASTPACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 stainless coupling nuts b18.2.229
    Contact_Supplier
TSFTXCoupling Nut316, 317, A4 StainlessPlain5/16-18 x 1hex coupling nut 316 ss 5/16-18 x 11
    Contact_Supplier
Kanebridge ILCoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18x7/8 hex rod coupling nut 7/16 across flats zinc5,000
    Contact_Supplier
Kanebridge ILCoupling NutSteelZinc/Clear5/16-18 x 1 1/85/16-18x1 1/8 hex rod coupling nut 1/2 inch across flats zinc5,000
    Contact_Supplier
Kanebridge ILCoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18x7/8 hex rod coupling nut 1/2 inch across flats zinc5,000
    Contact_Supplier
Kanebridge ILCoupling NutSteelZinc/Clear5/16-18 x 1 3/45/16-18x1 3/4 hex rod coupling nut 1/2 inch across flats zinc5,000
    Contact_Supplier
Kanebridge ILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18x7/8 hex rod coupling nut 1/2 inch across flats 18-8 stainless steel4.375
    Contact_Supplier
Kanebridge ILCoupling NutGrade 5Zinc/Clear5/16-18 x 1 1/85/16-18x1 1/8 hex rod coupling nut 1/2 inch across flats grade 5 zinc16.250
    Contact_Supplier
QFCTXCoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18 x 7/8 hex coupling nut zinc b18.2.21000
    Contact_Supplier
Bostwick INCoupling NutSteelZinc/Clear5/16-18 x 15/16-18 x 1 reducing coup nut 3/8-16 zinc b18.2.233
    Contact_Supplier
LippinCACoupling NutSteelZinc/Clear5/16-18 x 1 1/8coupling nut zinc plated13389
    Contact_Supplier
LippinCACoupling NutSteelZinc/Clear5/16-18 x 1/2 x 7/8coupling nut zinc plated1450
    Contact_Supplier
LippinCACoupling NutSteelZinc/Clear5/16-18 x 1/4reducer coupling nut zinc plated200
    Contact_Supplier
LippinCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18hex coupling nut stainless 18-850
    Contact_Supplier
LippinCACoupling NutSteelZinc/Clear5/16-18 x 1 1/85/16-18 x 1 1/8 coup nut zn (1000)12800
    Contact_Supplier
FastWareSaskCoupling NutGrade 2Zinc/Clear5/16-18 x 1/2afx1 nc coupling nut122
    Contact_Supplier
SRFALCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1coupling nut s/s436
    Contact_Supplier
SRFALCoupling NutSteelZinc/Clear5/16-18 x 1 3/4coupling nut87
    Contact_Supplier
SRFALCoupling NutSteelZinc/Clear5/16-18 x 7/8coupling nut1,251
    Contact_Supplier
CNBILCoupling NutGrade 2Zinc/Clear5/16-18coupling nut gr.2 plate22
    Contact_Supplier
BAYFASTCOFLCoupling NutSteelZinc/Clear5/16-18 x 1 1/8coupling nut2400
    Contact_Supplier
THRDFASTFLCoupling NutSteelZinc/Clear5/16-18 x 1 3/4coupling nut b18.2.245
    Contact_Supplier
THRDFASTFLCoupling NutSteelZinc/Clear5/16-18coupling nut b18.2.225
    Contact_Supplier
GUIDONNJCoupling NutSteelZinc/Clear5/16-18 x 7/81/2 hex850
    Contact_Supplier
All SizeTXCoupling NutSteelPlain5/16-18 x 7/85/16-18 x 7/8 short coupling nut b18.2.216
    Contact_Supplier
All SizeTXCoupling NutSteelPlain5/16-18 x 1 3/45/16-18 x 1-3/4 coupling nut heavy b18.2.286
    Contact_Supplier
Valley NuWACoupling NutSteelZinc/Black5/16-18 x 1 3/4nc hex coupling nut zb118
    Contact_Supplier
Valley NuWACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nc 18-8 ss coupling nut15
    Contact_Supplier

Trademarks identified with products listed on this website are the property of their respective owners, not FastenersClearingHouse.com.