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Hex Bolts

Hex Machine Bolts are threaded bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end. Hex bolts are tightened with a wrench and are used to connect metal parts. The body tolerances of hex machine bolts are not as close as those of hex cap screws. Hex machine bolts are covered under ASME Standard B18.2.1

Hex Machine Bolt (b18.2.1), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
S+S FasteOHHex Machine BoltGrade AZinc/Clear1/2-13 x 1 1/21/2-13 x 1-1/2 hex bolt a307 zinc100
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OneMonroeMNHex Machine BoltGrade AGalvanized1/4-20 x 11/4-20 x 1 hot dipped galvanized astm a307a hex bolt60
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OneMonroeMNHex Machine BoltGrade AZinc/Clear3/8-16 x 2 1/43/8-16 x 2-1/4 zinc finish astm a307a hex bolt1400
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S+S FasteOHHex Machine BoltGrade AGalvanized5/16-18 x 75/16-18 x 7 hex cap screw a307 hdg 250/box2
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OneMonroeMNHex Machine BoltGrade APlain7/8-9 x 107/8-9 x 10 astm a307 hex bolt400
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JacksonMSHex Machine BoltGrade B8Plain3/4-10 x 1 3/43/4-10 x 1-3/4 b-8 hex bolt2
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OneMonroeMNHex Machine BoltGrade AZinc/Clear7/16-14 x 1 1/27/16-14 x 1-1/2 zinc finish astm a307a hex bolt450
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S+S FasteOHHex Machine BoltSteelZinc/Clear5/8-11 x 335/8-11 x 33in special hex bolt per print znc113
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S+S FasteOHHex Machine BoltSteelZinc/Clear5/8-11 x 275/8-11 x 27in special hex bolt per print zinc72
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OneMonroeMNHex Machine BoltGrade AZinc/Clear1/4-20 x 3 1/41/4-20 x 3-1/4 zinc finish astm a307a hex bolt100
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OneMonroeMNHex Machine BoltGrade AZinc/Clear3/8-16 x 2 1/43/8-16 x 2-1/4 zinc finish astm a307a hex bolt600
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JacksonMSHex Machine BoltGrade B8Plain3/4-10 x 2 1/43/4-10 x 2-1/4 b-8 hex bolt4
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JacksonMSHex Machine BoltGrade B8Plain5/8-11 x 2 3/45/8-11 x 2-3/4 b-8 hex bolt30
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OneMonroeMNHex Machine BoltGrade APlain7/8-9 x 167/8-9 x 16 a307 hhc/s-plain7
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OneMonroeMNHex Machine BoltGrade APlain3/4-10 x 143/4-10 x 14 a307 hhc/s-plain5
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OneMonroeMNHex Machine BoltGrade APlain3/4-10 x 53/4-10 x 5 a307 hhc/s-plain55
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OneMonroeMNHex Machine BoltGrade APlain1/2-13 x 21/2-13 x 2 a307 hhc/s-plain250
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OneMonroeNCHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Passivated1/4-28 x 1.30bolt hex head close tolerance drilled head 1/4-28x1.30 a-286 passivated100
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OneMonroeNCHex Machine BoltSteelPlain#10-32bolt hex head long thread 10-32 unjf grip 0.125 length 0.47135
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OneMonroeNCHex Machine BoltSteelPlaincup & bolt magnet assembly455
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OneMonroeNCHex Machine BoltSteelPlaincup & bolt magnet assembly465
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OneMonroeNCHex Machine BoltSteelPlaincup & bolt magnet438
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OneMonroeNCHex Machine BoltSteelPlaincup & bolt magnet1015
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OneMonroeNCHex Machine BoltSteelPlain3/8-16 x 2 1/2bolthex3/8-16 x 2 1/275
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OneMonroeNCHex Machine BoltSteelPlain3/8-16 x 1 1/2bolthex3/8-16 x 1 1/2168
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OneMonroeNCHex Machine BoltSteelPlain5/16-18 x 1 1/2bolthex5/16-18 x 1 1/2344
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OneMonroeNCHex Machine BoltSteelPlain5/16-18 x 1bolthex5/16-18 x 1630
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OneMonroeNCHex Machine BoltSteelPlain5/16-18 x 3/4bolthex5/16-18 x 3/4136
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OneMonroeNCHex Machine BoltGrade 8Plain1 1/2-6 x 6 1/21-1/2-6 x 6 1/2 grade 8 hex bolt 45 deg milled head4
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OneMonroeNCHex Machine BoltGrade B8Plain3/4-10 x 4 1/43/4-10 x 4-1/4 a193 b8 hex bolt plain10
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OneMonroeNCHex Machine BoltGrade AGalvanized7/8-9 x 67/8-9 x 6 hot dipped galvanized astm a307a hex bolt9
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OneMonroeNCHex Machine BoltGrade AGalvanized7/8-9 x 67/8-9 x 6 hot dipped galvanized astm a307a hex bolt42
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OneMonroeNCHex Machine BoltGrade AGalvanized7/8-9 x 47/8-9 x 4 hot dipped galvanized astm a307a hex bolt28
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JacksonMSHex Machine BoltASTM A449Plain1 1/2-6 x 22 a449 hex bolt w/4 thread plain2
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OneMonroeNCHex Machine BoltSteelPlain5/8-11 x 1 1/25/8-11 x 1 1/2 polyurethane hex bolt20
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OneMonroeMAHex Machine BoltGrade AZinc/Clear1/2-13 x 2 1/21/2-13 x 2 1/2 pt hex machine bolt a307 gr a steel zinc271
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OneMonroeNCHex Machine Boltnas1003-6a75
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OneMonroeNCHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain4an960-c4 dfars800
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OneMonroeMAHex Machine BoltGrade AZinc/Clear5/16-18 x 1 1/25/16-18 x 1-1/2 pt hex machine bolt a307 grade a steel zinc815
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OneMonroeMAHex Machine BoltGrade 2Plain1/4-20 x 3 1/41/4-20 x 3 1/4 hex hd bolt gr 2 z/cl4400
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WeaverWAHex Machine BoltGrade AGalvanized5/8-11 x 125/8-11 x 12 a307 low carbon hex bolt galvanized248
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WeaverWAHex Machine BoltGrade AGalvanized5/8-11 x 95/8-11 x 9 a307 low carbon hex bolt galvanized133
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WeaverWAHex Machine BoltGrade AGalvanized3/8-16 x 1 1/43/8-16 x 1 1/4 a307 low carbon hex bolt galvanized200
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WeaverWAHex Machine BoltGrade AGalvanized1/4-20 x 1 1/41/4-20 x 1 1/4 a307 low carbon hex bolt galvanized1676
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WeaverWAHex Machine BoltGrade AGalvanized1/4-20 x 11/4-20 x 1 a307 low carbon hex bolt galvanized500
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WeaverWAHex Machine BoltGrade AGalvanized3/4-10 x 1 3/4 a307 low carbon hex bolt galvanized5
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MAINSOURCNHHex Machine BoltSteelPlain.115 x .209 x .032nas620-4 (washer #4 .115x.209x.032 stl c&y) NAS62044150
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WeaverWAHex Machine BoltGrade AGalvanized3/4-10 x 63/4-10x6 a307 low carbon hex bolt galvanized20
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WeaverWAHex Machine BoltGrade AGalvanized5/8-11 x 55/8-11x5 a307 low carbon hex bolt galvanized120
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JacksonMSHex Machine BoltGrade B8Plain5/8-11 x 2 3/4astm a193 b8t h/b (321 stainless )30
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JacksonMSHex Machine BoltSteelPlain3/8-16nc hex nut .449 tallx.560 waf3383
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JacksonMSHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 1 1/2nf hex bolt/aisi-302 or 304 ss139
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JacksonMSHex Machine BoltGrade AGalvanized1 1/8 x 5nc h/b a307 hot dip16
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JacksonMSHex Machine BoltGrade B8Plain3/4-10 x 3b-8 h/b1
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JacksonMSHex Machine BoltSilicon BronzePlain1/2 x 4nc h/b silicone bronze5
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JacksonMSHex Machine BoltSilicon BronzePlain1/2 x 2 3/4nc h/b silicone bronze12
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JacksonMSHex Machine BoltSteelPlain3/4 x 14nc hex m/b a307 with 6 rt141
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JacksonMSHex Machine BoltSilicon BronzePlain1/2 x 1 3/4nc h/b silicone bronze80
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JacksonMSHex Machine BoltSteelPlain3/4 x 32nc hex m/b a307 with 6 rt35
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