Square Head Set Screws, also called a Square Head Grub Screws are screws with a square head usually smaller than the diameter of the screw, designed to hold one object against another object, usually without requiring a nut. Commonly used to secure a shaft against a pulley.

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SupplierLocTypeMaterialFinishSizeDescriptionQty
Set ScrewILSet Screw (Square Head)SteelZinc/Clear1/2-13 x 1cup point case hardened square set plateinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/8flat point square set heat treated r/c 45-52inquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4cone point case hard square setinquire
Search results presented by Set Screw & Mfg. Co., your source for Square Set Screws. For more results, visit setscrewmfg.com
 
SupplierLocTypeMaterialFinishSizeDescriptionQty
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4full dog point square set case hardenedinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4knurled cup point square setinquire
Set ScrewILSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/418-8 304 square set cup pointinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 3/8half dog point case hardened square setinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2cone point case hardened square setinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2full dog point case hardened square setinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2flat point case hard square setinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2knurled cup point case hardened square setinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/24140 rc45-53 half dog point square setinquire
Set ScrewILSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2cone point 18-8 304 square setinquire
Set ScrewILSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2cup point 18-8 304 square setinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 3/4cone point case hardened square setinquire
Set ScrewILSet Screw (Square Head)SteelPlain1/2-13 x 1 3/4flat point case hardened square setinquire
Wurth AdaMNSet Screw (Square Head)SteelPhosphate1/2-13 x 1/2scr set square cp alloy (po) 1/2-13x1/22,119
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 1/2nc square set hard pl176
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 5/8square set cup pt b18.6.259
ISSCOMOSet Screw (Square Head)SteelZinc/Clear1/2-13 x 5/8knurled cup point scotchgrip5339
ASMCILSet Screw (Square Head)SteelPlain1/2-13 x 3/4(ft) coarse square set full dog pt low carb case hard b18.6.22
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 3/4square cup point set73
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 3/4nc square set hard pl2
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 3/4square set cup pt b18.6.297
ISSCOMOSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3/4cup point 18-842
SRFALSet Screw (Square Head)SteelPlain1/2-13 x 3/4square set cup pt86
JacksonMSSet Screw (Square Head)SteelPlain1/2-13 x 7/8semi-standard nc square set cup point finish1502
ISSCOMOSet Screw (Square Head)SteelPlain1/2-13 x 7/8cup point1100
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 1coarse square set scr cup446
ACCURATEILSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1coarse square set scr cup pt 18-8 s/s38
HewesNYSet Screw (Square Head)SteelPlain1/2-13 x 1sqr set scrcup pt178
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 1square cup point set196
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 1nc square set hard pl38
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 1square set cup pt b18.6.214
THRDFASTFLSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 118-8 ss square set cup pt b18.6.24
THRDFASTOKSet Screw (Square Head)SteelPlain1/2-13 x 1square set cup pt b18.6.275
OBRIENOHSet Screw (Square Head)SteelPlain1/2-13 x 1square set scr cup pt100
THRDFASTTNSet Screw (Square Head)SteelPlain1/2-13 x 1square set cup pt b18.6.26
WDMBIASet Screw (Square Head)SteelZinc/Clear1/2-13 x 1sq set cup pt200
ISSCOMOSet Screw (Square Head)SteelPlain1/2-13 x 1knurled cup point392
SRFALSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1square set cup pt s/s16
SRFALSet Screw (Square Head)SteelPlain1/2-13 x 1square set cup pt250
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4coarse square set scr cup1800
ACCURATEILSet Screw (Square Head)SteelZinc/Clear1/2-13 x 1 1/4coarse square set scr cup125
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set cup pt450
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square cup point set143
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 1 1/4nc square set hard pl34
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set half dog pt b18.6.2100
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set cup pt b18.6.240
THRDFASTFLSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/418-8 ss square set cup pt b18.6.221
AmeriNYSet Screw (Square Head)SteelGalvanized1/2-13 x 1 1/4square set cup pt hdg2000
AmeriNYSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/4square set 18-8 30425
THRDFASTOKSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set cup pt b18.6.250
SRFALSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set cup pt4
MidStatesMISet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set sc dog pt24
HayesCASet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2square set cup pt 18-8ss11
HayesCASet Screw (Square Head)SteelPlain1/2-13 x 1 1/2square set cup pt stl21
HayesCASet Screw (Square Head)SteelZinc/Clear1/2-13 x 1 1/2square set cup pt stl3
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 sq hd set cup pt23
ACCURATEILSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2coarse square set scr cup pt 18-8 s/s3
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2coarse square set scr cup pt1030
METRO INDOHSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2square set cup pt43
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2square cup point set78
Wurth AdaMNSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2scr set square cp charound (pl) 1/2-13x1 1/2990
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 1 1/2nc square set hard pl18
EFSCOORSet Screw (Square Head)SteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 (ft) square head set screws cup point coarse171
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2square set cup pt b18.6.270
AmeriNYSet Screw (Square Head)SteelZinc/Yellow1/2-13 x 1 1/2square set cup point zy1650
OBRIENOHSet Screw (Square Head)SteelPlain1/2-13 x 1 1/2square set scr cup pt8
SRFALSet Screw (Square Head)SteelZinc/Clear1/2-13 x 1 1/2square set cup pt118
MidStatesMISet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2square set cup pt 18-839
HayesCASet Screw (Square Head)SteelPlain1/2-13 x 1 3/4square set oval pt stl17
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 1 3/4square set cup point400
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 1 3/4square cup point set199
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 1 3/4nc square set hard pl14
EFSCOORSet Screw (Square Head)SteelPlain1/2-13 x 1 3/41/2-13 x 1 3/4 square head set screws cup point coarse case173
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 1 3/4square set cup pt b18.6.214
AmeriNYSet Screw (Square Head)SteelPlain1/2-13 x 1 3/41/2-13 x 1-3/4 square head set screw cup point300
SRFALSet Screw (Square Head)SteelPlain1/2-13 x 1 3/4square set cup pt23
MidStatesMISet Screw (Square Head)SteelZinc/Clear1/2-13 x 1 3/4square set cup pt znc13
ACCURATEILSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2coarse square set scr cup 18-8 3043
HayesCASet Screw (Square Head)SteelPlain1/2-13 x 2square set cup pt stl32
TownCountryARSet Screw (Square Head)SteelZinc/Yellow1/2-13 x 2square set yellow450
METRO INDOHSet Screw (Square Head)SteelPlain1/2-13 x 2square set cup pt36
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 2coarse square set scr cup pt135
SunPackFLSet Screw (Square Head)SteelPlain1/2-13 x 2square cup point set15
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 2square cup point set143
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 2square set cup pt b18.6.230
THRDFASTFLSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 218-8 ss square set cup pt b18.6.225
AmeriNYSet Screw (Square Head)SteelPlain1/2-13 x 2square set cup point7350
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 2square set cup pt b18.6.210
THRDFASTTNSet Screw (Square Head)SteelPlain1/2-13 x 2square set cup pt b18.6.225
SRFALSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2square set cup pt s/s86
SISAZSet Screw (Square Head)400 Stainless (405, 410,416,420,430 etc.)Zinc/Clear1/2-13 x 2.00piercing square set 410 or 416 rc 35-45 stainless1870
SISAZSet Screw (Square Head)SteelPlain1/2-13 x 2square set25
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 2 1/4nc square set hard pl19
OBRIENOHSet Screw (Square Head)SteelPlain1/2-13 x 2 1/4square set scr cup pt45
ISSCOMOSet Screw (Square Head)SteelPlain1/2-13 x 2 1/4cup point600
AbabaCASet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13 x 2 1/2 sq hd set screw drilled hd s/s b18.6.239
HayesCASet Screw (Square Head)316, 317, A4 StainlessPlain1/2-13 x 2 1/2square set cup pt 316ss10
HayesCASet Screw (Square Head)SteelPlain1/2-13 x 2 1/2square set cup pt stl13
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 sq hd set cup pt116
YANKEENHSet Screw (Square Head)SteelZinc/Clear1/2-13 x 2 1/21/2-13 x 2 1/2 sq hd set cup pt zinc pltd50
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 2 1/2square cup point set6
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 2 1/2nc square set hard pl8
THRDFASTFLSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/218-8 ss square set cup pt b18.6.220
AmeriNYSet Screw (Square Head)SteelPlain1/2-13 x 2 1/2square set60
OBRIENOHSet Screw (Square Head)SteelPlain1/2-13 x 2 1/2square set cup pt238
THRDFASTTNSet Screw (Square Head)SteelPlain1/2-13 x 2 1/2square set cup pt b18.6.213
WDMBIASet Screw (Square Head)SteelZinc/Clear1/2-13 x 2 1/2sq set cup pt545
ISSCOMOSet Screw (Square Head)SteelPlain1/2-13 x 2 1/2cup point1050
ISSCOMOSet Screw (Square Head)SteelPlain1/2-13 x 2 1/2cone point68
SRFALSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/2square set cup pt s/s3
MidStatesMISet Screw (Square Head)SteelZinc/Clear1/2-13 x 2 1/2square set cup pt znc35
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 2 3/4coarse square set scr cup444
ISSCOMOSet Screw (Square Head)SteelPlain1/2-13 x 2 3/4cup point250
SRFALSet Screw (Square Head)SteelPlain1/2-13 x 2 3/4square set cup pt91
EFSCOORSet Screw (Square Head)SteelPlain1/2-13 x 2 3/41/2-13 x 2 3/4 square head set screws cup point coarse case33
UNIT FASTMISet Screw (Square Head)SteelPlain1/2-13 x 31/2-13 x 3 square head set screw c/p plain41
CIFILSet Screw (Square Head)Grade 8Plain1/2-13 x 31/2-13 x 3 square head set screw oval point grade 8 plain200
TownCountryARSet Screw (Square Head)SteelPlain1/2-13 x 3square set100
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 3square cup point set231
AmeriNYSet Screw (Square Head)SteelPlain1/2-13 x 3square set black cup point500
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 3coarse square set scr cup62
TrinityIASet Screw (Square Head)SteelPlain1/2-13 x 31/2-13 x 3 square head set screw cup point carbon steel case hdnd plain200
CenturyFLSet Screw (Square Head)SteelPlain1/2-13 x 31/2-13 x 3 sq hd set screw cup pt200
Bolts PlusOntSet Screw (Square Head)SteelPlain1/2-13 x 3square cup point set7
Wurth AdaMNSet Screw (Square Head)SteelPhosphate1/2-13 x 3scr set square cp charound (po) 1/2-13x3191
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 3nc square set hard pl23
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 3square set half dog pt b18.6.211
ISSCOMOSet Screw (Square Head)SteelPlain1/2-13 x 3oval point385
TrinityMISet Screw (Square Head)SteelPlain1/2-13 x 31/2-13 x 3 square set cup b18.6.2328
MFSKSSet Screw (Square Head)SteelPlain1/2-13 x 3square cup point27
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 3 1/2coarse square set scr cup1077
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 3 1/2nc square set hard pl6
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 3 1/2square set cup pt b18.6.219
THRDFASTTNSet Screw (Square Head)SteelPlain1/2-13 x 3 1/2square set cup pt b18.6.225
UNIT FASTMISet Screw (Square Head)SteelPlain1/2-13 x 41/2-13 x 4 square head set screw cup point plain9
AmeriNYSet Screw (Square Head)SteelPlain1/2-13 x 4square set cup pt150
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 4square cup point set (case hardened)246
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 4coarse square set scr cup171
SunPackFLSet Screw (Square Head)SteelPlain1/2-13 x 4square cup point set11
Wurth AdaMNSet Screw (Square Head)SteelZinc/Clear1/2-13 x 4scr set square cp charound (zn) 1/2-13x41,040
Wurth AdaMNSet Screw (Square Head)SteelPlain1/2-13 x 4scr set square cp charound (pl) 1/2-13x4125
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 4nc square set hard pl22
OBRIENOHSet Screw (Square Head)SteelPlain1/2-13 x 4square set13
HayesCASet Screw (Square Head)SteelPlain1/2-13 x 4 1/2square set cup pt stl1
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 4 1/2coarse square set scr cup473
Wurth AdaMNSet Screw (Square Head)SteelZinc/Clear1/2-13 x 4 1/2scr set square cp charound (zt) 1/2-13x4 1/2200
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 4 1/2nc square set hard pl3
THRDFASTFLSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 4 1/218-8 ss square set cup pt b18.6.239
SRFALSet Screw (Square Head)SteelPlain1/2-13 x 4 1/2square set cup pt10
UNIT FASTMISet Screw (Square Head)SteelPlain1/2-13 x 51/2-13 x 5 square head set screw cup point15
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 51/2-13 x 5 sq hd set cup pt29
METRO INDOHSet Screw (Square Head)SteelPlain1/2-13 x 5square set cup pt7
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 5coarse square set scr cup257
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 5nc square set hard pl22
THRDFASTTNSet Screw (Square Head)SteelPlain1/2-13 x 5square set cup pt b18.6.225
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 6square cup point set (case hardened)104
ACCURATEILSet Screw (Square Head)SteelPlain1/2-13 x 6coarse square set scr cup85
Wurth AdaMNSet Screw (Square Head)SteelZinc/Clear1/2-13 x 6scr set square cp charound (zn) 1/2-13x6117
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 6nc square set half dog pt pl13
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 6nc square set hard pl13
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 6square set cup pt b18.6.233
THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 6square set cup pt b18.6.219
THRDFASTTNSet Screw (Square Head)SteelPlain1/2-13 x 6square set cup pt b18.6.2151
SRFALSet Screw (Square Head)SteelPlain1/2-13 x 6square set half dog pt15
MidStatesMISet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 6in square set cup pt 18-84
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 7nc square set hard pl1
THRDFASTTNSet Screw (Square Head)SteelPlain1/2-13 x 7square set cup pt b18.6.26
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 8square cup point set26
YANKEENHSet Screw (Square Head)SteelPlain1/2-13 x 91/2-13 x 9 square head set screw cup point alloy steel2
Valley NuWASet Screw (Square Head)SteelPlain1/2-13 x 10nc square set hard pl8
MFSKSSet Screw (Square Head)SteelPlain1/2-13 x 21/2square cup point91

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