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Flat Head Cap Screws

Flat Head Socket Cap Screws are designed to be seated in countersunk holes, and align flush with the surface of the assembly when installed. Flat head socket cap screws have a flat top surface, an indented hex and a conical bearing surface with a head angle of 82°. Flat head socket cap screws are commonly used in machine parts, die fixturing, and clamping.

32,015 Flat Head Socket Cap Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-80 x 3/16#0-80x3/16 fine socket flat hd cap screw ss18-8 b18.2.1 b18.3975
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ManscoMIFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 5/8flat hd soc c/sr triv znc w/plating certs1050
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ManscoMIFlat Head Socket Cap ScrewSteelZinc/Clear#10-24 x 3/4flat hd soc c/sr triv znc w/plating certs2450
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ManscoMIFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 2flat hd soc c/sr triv znc w/plating certs340
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MFSKSFlat Head Socket Cap ScrewSteelPlain#8-32 x 3/8alloy48
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MFSKSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/264
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MFSKSFlat Head Socket Cap ScrewSteelPlain#2-56 x 7/8alloy72
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MFSKSFlat Head Socket Cap ScrewSteelPlain#5-40 x 1/4alloy146
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MFSKSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/893
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MFSKSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4138
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MFSKSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 3/485
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MFSKSFlat Head Socket Cap ScrewSteelPlain#5-40 x 3/4alloy187
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MFSKSFlat Head Socket Cap ScrewSteelPlain#5-40 x 5/8alloy15
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MFSKSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 3/81797
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MFSKSFlat Head Socket Cap ScrewSteelZinc/Yellow#6-32 x 1/46 flute2247
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-32 x 1/451
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-32 x 3/4alloy31
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MFSKSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/848
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-32 x 1alloy72
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-32 x 1/2alloy9
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-32 x 3/8alloy73
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-32 x 2alloy50
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MFSKSFlat Head Socket Cap ScrewSteelPlain#10-24 x 3/4alloy162
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/4alloy275
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MESAFASTCAFlat Head Socket Cap ScrewSteelPlainM4-0.70 x 20flat socket c/s black2,500.0
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/410-32x.750 flat head soc cap screw-asme b18.3 .623 thread 18-8 s/s dfars 302 made in u.s.a.650
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ParkerAZFlat Head Socket Cap ScrewSteelZinc/Yellow#10-32 x 3/410-32x3/4 flat socket head alloy yellow zinc made in u.s.a.490
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#10-32 x 7/810-32x7/8 flat head socket cap screw fully threaded 302 s/s passivated made in u.s.a.650
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 101/4-20x10 flat socket cap screw 302 s/s made in u.s.a.69
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ParkerAZFlat Head Socket Cap ScrewSteelBlack Oxide1/4-20 x 1/21/4-20x1/2 socket head cap screw w/sems captive flat washer (1/2 od 1/16 thickness) 4037 aly stl hrc black oxide made in u.s.a.6000
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1/4-20 x 5/81/4-20x5/8 flat head soc cap fully threaded 302hq s/s passivate w/patch made in u.s.a.180
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ParkerAZFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/81/4-20x .625 flat head socket crew per ms24667-29 made in u.s.a.5600
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ParkerAZFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/81/4-20x .625 flat head socket crew per ms24667-29 made in u.s.a.500
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ParkerAZFlat Head Socket Cap ScrewSteelBlack Oxide1/4-20 x 3/41/4-20x3/4 socket head cap screw w/sems captive flat washer alloy (1/2 od 1/16 thickness) 4037 aly stl hrc black oxide made in u.s.a.3190
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ParkerAZFlat Head Socket Cap ScrewGrade B8MPlain#2-56 x 3/162-56x3/16 flat soc cap per astm b8m cl 2 made in u.s.a.2900
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ParkerAZFlat Head Socket Cap ScrewSteelBlack Oxide#2-56 x .20 18.32-56x.20 flat head soc cap screw asme b 18.3 .146 thread 4037 aly stl 39-43 hrc black oxide stl length .200-.210 made in u.s.a.235
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ParkerAZFlat Head Socket Cap ScrewGrade B8MPassivated#0-80 x 3/160-80x3/16 flat head soc cap screw asme b18.3 0.144 thread astm a193/193m grd b8m cl 2 316l s.s. passivate made in u.s.a.4700
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18x1.250 flat head soc cap screw-asme b18.3 1.250 thread ff-s-86e w/am #4 302hq 18-8 304 made in u.s.a.850
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-18 x 1.005/16-18x1.00 flat head cap screw .802 thread 302 s/s passivate per ff-s-86e made in u.s.a.150
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ParkerAZFlat Head Socket Cap ScrewSteelPlain5/16-18 x 7/85/16-18x.875 flat head socket cap screw asme b18.3 .677 thread 4037 aly stl 39-43 hrc thermal blacken 6-lobe reference wmin6213 made in u.s.a.870
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ParkerAZFlat Head Socket Cap ScrewSteelPlain5/16-18 x 7/85/16-18x.875 flat head socket cap screw asme b18.3 .677 thread 4037 aly stl 39-43 hrc thermal blacken 6-lobe reference wmin6213 made in u.s.a.300
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ParkerAZFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-24 x 15/16-24x1 flat socket 316 s/s 6 lobe made in u.s.a.200
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ParkerAZFlat Head Socket Cap ScrewSteelPlain5/16-18 x 7/85/16-18x.875 flat head socket cap screw asme b18.3 .677 thread 4037 aly stl 39-43 hrc thermal blacken 6-lobe reference wmin6213 made in u.s.a.2465
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ParkerAZFlat Head Socket Cap ScrewSteelPlain5/16-18 x 7/85/16-18x.875 flat head socket cap screw asme b18.3 .677 thread 4037 aly stl 39-43 hrc thermal blacken 6-lobe reference wmin6213 made in u.s.a.630
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ParkerAZFlat Head Socket Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Passivated3/8-16 x 1.03/8-16x1.0 flat socket head cap screw .766 threads a286 super alloy passivate w/patch per ff-s-86e per eb1890 made in u.s.a.115
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FasSpcMfgFLFlat Head Socket Cap ScrewBrassPlainM16-2.00 x 40flat socket cap18
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FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlainM16-2.00 x 40flat socket cap 316 stainles f/t1
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FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlainM22-2.50 x 60flat hd soc cap ft 316 stn bad item code3
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16-2.00 x 75socket cap 18-8 s/s drilled one hole through two flats for safety wire2
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16-2.00 x 75flat socket cap 304 18-8 3042
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FasSpcMfgFLFlat Head Socket Cap ScrewSteelPlainM18-2.50 x 41.27(1-5/8) flat socket cap 4140 rc 37-444
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20-2.50 x 45special socket cap 304 18-8 304 two holes drilled (through 4 of the 6 hex-flats) for safety wire2
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20-2.50 x 40flat socket cap 303 18-8 3041
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FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlainM20-2.50 x 70flat hd soc cap ft 316 stn1
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FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlainM10-1.00 x 20flat socket cap 316 stainless55
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FasSpcMfgFLFlat Head Socket Cap ScrewSteelPlainM8-1.25 x 120flat socket cap rc 37-433
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QFCTXFlat Head Socket Cap ScrewSteelPlain#6-32 x 1/26-32x1/2 flat soc c/s alloy plain b18.2.1 b18.3100
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QFCTXFlat Head Socket Cap ScrewSteelPlain#8-32 x 1/28-32x1/2 flat soc c/s alloy plain b18.2.1 b18.348
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QFCTXFlat Head Socket Cap ScrewSteelPlain#10-32 x 1/210/32x1/2 flat skt cap screw b18.2.1 b18.3111
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