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Hex Cap Screws, Plain (ASME B18. 2.1)

Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHHex Head Cap ScrewGrade 8Plain1/2-20 x 21/2-20x2 hhcs grade 8 stl pln b18.2.1 () () ()150
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GLFOHHex Head Cap ScrewGrade 8Plain1 1/2-6 x 71-1/2-6x7 hhcs grade 8 stl pln b18.2.1 () () ()4
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 918.8 (a2) 18-8 304 steel hex c/s 3/8-16x9 per asme b18.2.1 with 3 of thread540
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain5/8-11 x 1 1/4316 (a4) stainless steel hex cap screw 5/8-11x1-1/4 per asme b18.2.1 full thread186
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 1/418.8 (a2) 18-8 304 steel hex c/s 5/8-11x1-1/4 per asme b18.2.1 full thread68
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 3/4316 (a4) stainless steel hex cap screw 1/2-13x3/4 per asme b18.2.1 full thread27
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain3/4-10 x 4 1/2316 (a4) stainless steel hex cap screw 3/4-10x4-1/2 per asme b18.2.124
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 2 1/418.8 (a2) 18-8 304 steel hex c/s 5/8-11x2-1/4 per asme b18.2.149
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain1/4-20 x 1/2316 (a4) stainless steel hex cap screw 1/4-20x1/2 per asme b18.2.1 full thread13501
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-20 x 2 3/4316 (a4) stainless steel hex cap screw 1/2-20 unf x2-3/4 per asme b18.2.199
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain5/8-11 x 2 1/4316 (a4) ss hex c/s 5/8-11x2-1/4 per asme b18.2.1 full thread51
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 618.8 (a2) 18-8 304 steel hex c/s 1/4-20x6 per asme b18.2.118
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 3/418.8 (a2) 18-8 304 steel hex cap screw 5/16-18x2-3/4 per asme b18.2.195
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 418.8 (a2) 18-8 304 steel hex c/s 5/8-11x4 per asme b18.2.1 full thread24
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain7/16-14 x 3316 (a4) stainless steel hex cap screw 7/16-14x3 per asme b18.2.150
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 3316 (a4) stainless steel hex cap screw 1/2-13x3 per asme b18.2.1 full thread197
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 818.8 (a2) 18-8 304 steel hex c/s 3/8-16x8 per asme b18.2.1 with 3 of thread1000
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 4 1/218.8 (a2) 18-8 304 steel hex cap screw 5/16-18x4-1/2 per asme b18.2.175
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain3/4-10 x 3 1/4316 (a4) stainless steel hex c/s 3/4-10x3-1/4 per asme b18.2.115
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 2 1/418.8 (a2) 18-8 304 steel hex c/s 1-8x2-1/4 per asme b18.2.1 full thread308
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Wink FastVAHex Head Cap ScrewBrassPlain1/2-13 x 3brass hex cap screw 1/2-13x3 per asme b18.2.174
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Wink FastVAHex Head Cap ScrewBrassPlain270 3/8-16 x 2 1/2brass 270 hex cap screw 3/8-16x2-1/2 per asme b18.2.1100
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GLFOHHex Head Cap ScrewGrade 5Plain2-4 1/2 x 52-4-1/2x5 hhcs grade 5 stl pln b18.2.130
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1316 ss hex c/s 3/8-16x1 per asme b18.2.1 full thread4091
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain5/8-11 x 1 1/2316 ss hex c/s 5/8-11x1-1/2 per asme b18.2.1 full thread130
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 5 1/218-8 ss hex c/s 3/4-10x5-1/2 per asme b18.2.1370
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 218-8 ss hex c/s 5/8-11x2 per asme b18.2.1184
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 5 1/2316 ss hex c/s 3/8-16x5-1/2 per asme b18.2.1 full thread750
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 818-8 ss hex c/s 1/2-13x8 per asme b18.2.1 with 3 of thread1303
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain5/8-11 x 2 1/4316 ss hex c/s 5/8-11x2-1/4 per asme b18.2.11651
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 5316 ss hex c/s 3/8-16x5 per asme b18.2.1226
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 8 1/218-8 ss hex c/s 1/2-13x8-1/2 per asme b18.2.1 with 3 of thread5930
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 15/16-24x1 hex cap sc a2 (18-8) 400108 b18.2.1245
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 17/16-14x1 hhcs 18-8 400218 b18.2.1143
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18x3/4 (ft) unc hex cap screws stainle18-8 304 steel hex cap screws 18-8 304 18 8 hhcap screw astm f593 400074 b18.2.1900
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JET FITTINGCAHex Head Cap ScrewGrade 8Plain1-8 x 131-8x13 hex cap sc grade 8 stl 451320 b18.2.110
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JET FITTINGCAHex Head Cap ScrewSteelPlain3/8-16 x 53/8-16x5 hex cap sc full thread (18- 864166 b18.2.1275
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JET FITTINGCAHex Head Cap ScrewGrade 8Plain1 1/8-12 x 71 1/8-12x7 hex cap sc grade 8 stl 451023 b18.2.114
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20x1-1/4 hhcs f/t 18-8 st-st 864012 b18.2.17276
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1/21/4-28x1/2 hex cap sc a2 (18-8) 400036 b18.2.12370
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JET FITTINGCAHex Head Cap ScrewGrade 5Plain1 1/8-12 x 81 1/8-12x8 hex cap sc grade 5 stl pln 846622 b18.2.11
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JET FITTINGCAHex Head Cap ScrewGrade 2Plain1/2-13 x 3 1/21/2-13x3 1/2 hhcs gr2 stl zi 403200 b18.2.199
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JET FITTINGCAHex Head Cap ScrewGrade 8Plain2-4 1/2 x 112-4 1/2x11 hex cap sc grade 8 stl 451881 b18.2.11
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JET FITTINGCAHex Head Cap ScrewGrade 8Plain1/2-20 x 51/2-20x5 hex cap sc grade 8 stl 451563 b18.2.119
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JET FITTINGCAHex Head Cap ScrewGrade 5Plain1 3/8-6 x 4 1/21 3/8-6x4 1/2 hex cap sc grade 5 stl pl 846736 b18.2.118
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JET FITTINGCAHex Head Cap ScrewGrade 5Plain1/4-20 x 21/4-20x2 hhcs gr5 stl zi 847018 b18.2.12506
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JET FITTINGCAHex Head Cap ScrewGrade 5Plain5/16-18 x 1 1/45/16-18x1 1/4 grade 5 hex hd serrated f 406124 b18.2.12102
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JET FITTINGCAHex Head Cap ScrewGrade 5Plain1-8 x 4 1/21-8x4 1/2 hhcs gr5 stl zi 847676 b18.2.110
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JET FITTINGCAHex Head Cap ScrewGrade 8Plain3/8-16 x 103/8-16x10 hex cap sc grade 8 stl 451079 b18.2.18
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18x7/8 hhcs 18-8 5/16-18 X 7/8 HHCS 18-8 b18.2.1125
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JET FITTINGCAHex Head Cap ScrewGrade 5Plain3/8-24 x 73/8-24x7 hex cap screw steel grade 5 plain 846103 b18.2.125
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JET FITTINGCAHex Head Cap ScrewGrade 5Plain3/8-16 x 1 1/23/8-16x1 1/2 hhcs gr5 plain 846137 b18.2.1554
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ParkerAZHex Head Cap ScrewGrade 5Plain1/4-20 x 2 1/201/4-20x2.50 hex cap screw-asme b18.2.1 .75 thread grd 5 1038 c stl astm f 1941 fe/zn 5a bake made in u.s.a.65
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General FMIHex Head Cap ScrewGrade 8Plain9/16-12 x 2 1/29/16-12x2.5 hhcs grade 8 alloy zidi b18.2.12800
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BHAMALHex Head Cap ScrewGrade 5Plain3/4-10 x 33/4-10x3 hex c/s gr5 b18.2.150
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BHAMALHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-7 x 81 1/8-7x8 hex c/s 300 ser ss b18.2.12
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BHAMTXHex Head Cap ScrewGrade 5Plain3/4-10 x 23/4-10x2 hex c/s grade 5 fully thread b18.2.150
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BHAMFLHex Head Cap Screw316, 317, A4 StainlessPlain7/8-9 x 8 1/27/8-9x8-1/2 hex c/s 316 b18.2.13
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BHAMALHex Head Cap ScrewGrade 5Plain5/8-11 x 1 3/45/8-11x1 3/4 hex c/s dom. gr5 b18.2.17
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BHAMFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-7 x 7 1/21 1/4-7x7 1/2 hex c/s 304ss b18.2.120
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FDLILHex Head Cap Screw316, 317, A4 StainlessPlain1/4-20 x 3/41/4-20 x 3/4 hex head cap screw 316 stainless steel per print#104525 rev. aj 3600 pcs/ctn. 23.95 kgs/ctn. b18.2.13600
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FDLILHex Head Cap ScrewGrade 5Plain5/8-11 x 4 1/25/8-11 unc-2a x 4-1/2 hex head cap screw gr. 5 steel pho & oil 24 hour sst 75pcs/ctn & 15.075kgs/ctn b18.2.18700
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THRDFASTMSHex Head Cap ScrewGrade 5Plain5/8-11 x 2gr5 hex c/s b18.2.15
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THRDFASTOKHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 1 1/418-8 ss hex c/s b18.2.11
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THRDFASTOKHex Head Cap ScrewGrade 2Plain5/8-11 x 5 1/2gr2 hex c/s domestic b18.2.17
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THRDFASTOKHex Head Cap ScrewGrade 5Plain5/8-11 x 6 1/2gr5 hex c/s b18.2.15
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THRDFASTALHex Head Cap ScrewBrassPlain7/16-14 x 1 1/4hex c/s b18.2.194
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THRDFASTMSHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 518-8 ss hex c/s b18.2.135
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THRDFASTMSHex Head Cap Screw316, 317, A4 StainlessPlain7/8-9 x 7 1/2t-316 ss hex c/s b18.2.11
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THRDFASTMSHex Head Cap ScrewSilicon BronzePlain3/8-16 x 2sili brnz hex c/s b18.2.15
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THRDFASTOKHex Head Cap ScrewGrade 2Plain3/4-10 x 2 1/2gr2 hex c/s domestic b18.2.11
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THRDFASTOKHex Head Cap ScrewGrade 5Plain5/8-11 x 3 1/2gr5 hex c/s b18.2.130
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THRDFASTMSHex Head Cap ScrewGrade 2Plain1-8 x 4gr2 hex c/s b18.2.135
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THRDFASTALHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/418-8 ss hex c/s b18.2.13
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THRDFASTFLHex Head Cap ScrewGrade 8Plain1-8 x 16gr8 hex c/s b18.2.13
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THRDFASTALHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4nf-28x4 18-8 ss hex c/s b18.2.16
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THRDFASTALHex Head Cap ScrewGrade 5Plain1/4-20 x 4gr5 hex c/s b18.2.1100
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THRDFASTOKHex Head Cap ScrewGrade 2Plain3/4-10 x 3 1/2gr2 hex c/s domestic b18.2.19
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THRDFASTOKHex Head Cap ScrewGrade 5Plain1 1/2-6 x 5gr5 hex c/s b18.2.11
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THRDFASTOKHex Head Cap ScrewGrade 5Plain1-8 x 4 1/2gr5 hex c/s b18.2.18
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THRDFASTALHex Head Cap ScrewGrade 5Plain1/2-13 x 4gr5 hex c/s b18.2.18
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THRDFASTTNHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/218-8 ss hex c/s b18.2.186
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