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3 3/4 inch length Hex Cap Screws

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 
JacksonMSHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 3 3/4nc hex c/s 316 ss2
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JacksonMSHex Head Cap Screw316, 317, A4 StainlessPlain3/4-10 x 3 3/4nc hex c/s 316 ss30
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JacksonMSHex Head Cap Screw400 Stainless (405, 410,416,420,430 etc.)Plain5/8-11 x 3 3/4nc hex c/s 410 or 416 s/s34
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear1/4 x 3 3/4nc hex c/s1964
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear5/16 x 3 3/4nc hex c/s707
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear3/8 x 3 3/4nc hex c/s2898.5
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear7/16 x 3 3/4nc hex c/s349.5
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear1/2 x 3 3/4nc hex c/s1081.8
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear9/16 x 3 3/4nc hex c/s65
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear5/8 x 3 3/4nc hex c/s469.2
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear3/4 x 3 3/4nc hex c/s138
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear7/8 x 3 3/4nc hex c/s139.75
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JacksonMSHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 3 3/4nc hex c/s 316 ss45
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear1 x 3 3/4nc hex c/s43
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear1 1/8 x 3 3/4nc hex c/s5
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JacksonMSHex Head Cap ScrewGrade 8Plain3/8 x 3 3/4nc hex c/s gr. 8372
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow5/16 x 3 3/4nc hex c/s434
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 3 3/4nf hex c/s609
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow3/8 x 3 3/4nc hex c/s476
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 3 3/4nf hex c/s131
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TownCountryARHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 3 3/4hex c/s gr.51000
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TownCountryARHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 3/4hex c/s250
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 3/41/4-20x3 3/4 hex c/s 18-8 ss23
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 3/45/16-18x3 3/4 hex c/s 18-8 ss184
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 3/43/8-16x3 3/4 hex c/s 18-8 ss25
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 3 3/43/8-24x3 3/4 hex c/s 18-8 ss91
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 3/45/8-11x3 3/4 hex c/s 18-8 ss77
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 3 3/43/4-10x3 3/4 hex c/s 18-8 ss65
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 3/41/2-13x3 3/4 hex c/s 18-8 ss78
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 3 3/41/4-20x3 3/4 gr5 hex c/s zinc380
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear3/8-24 x 3 3/43/8-24x3 3/4 gr5 hex c/s zinc125
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WeaverWAHex Head Cap ScrewGrade 5Chrome1/2-13 x 3 3/41/2-13x3 3/4 gr5 hex c/s chrome20
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WeaverWAHex Head Cap ScrewGrade 5Plain1/2-20 x 3 3/41/2-20x3 3/4 gr5 hex c/s plain235
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 3 3/41/2-20x3 3/4 gr5 hex c/s zinc25
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 3 3/49/16-12x3 3/4 gr5 hex c/s zinc22
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear5/8-18 x 3 3/45/8-18x3 3/4 gr5 hex c/s zinc100
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3 3/45/16-18x3 3/4 gr5 hex c/s zinc127
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 3 3/41/4-20x3 3/4 gr8 hex c/s yellow zinc500
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 3 3/45/16-18x3 3/4 gr8 hex c/s yellow zinc244
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WeaverWAHex Head Cap ScrewGrade 8Plain5/16-24 x 3 3/45/16-24x3 3/4 gr8 hex c/s plain200
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 3 3/45/16-24x3 3/4 gr8 hex c/s yellow zinc475
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 3/43/8-16x3 3/4 gr8 hex c/s yellow zinc475
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TownCountryARHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 3/41/2-13x3 3/4 hex cap screw grade 8 yellow zinc43
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YANKEENHHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 3 3/43/4-16 x 3-3/4 hex cap screw grade 8 steel zinc/yellow55
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YANKEENHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 3/41/4-20 x 3 3/4 hex cap screw stain steel247
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YANKEENHHex Head Cap ScrewGrade 8Zinc/Yellow1/4-28 x 3 3/41/4-28 x 3-3/4 hex head cap screw grade 8 alloy zinc yellow32
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YANKEENHHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3 3/45/16-18 x 3 3/4 hex cap screw grade 5 zinc pltd327
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YANKEENHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 3/45/16-18 x 3 3/4 hex cap screw stain steel49
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YANKEENHHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 3/43/8-16 x 3-3/4 hex head cap screw grade 8 alloy steel zinc yellow99
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YANKEENHHex Head Cap ScrewGrade 5Zinc/Clear3/8-24 x 3 3/43/8-24 x 3 3/4 hex cap screw grade 5 zinc pltd82
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YANKEENHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 3 3/41/2-13 x 3 3/4 hex cap screw grade 5 zinc pltd443
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YANKEENHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 3/41/2-13 x 3 3/4 hex cap screw grade 8 zinc/yellow145
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YANKEENHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 3/41/2-13 x 3-3/4 hex cap screw 18-8 stainless steel m519
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YANKEENHHex Head Cap ScrewGrade 5Zinc/Clear9/16-18 x 3 3/49/16-18 x 3 3/4 hex cap screw grade 5 zinc pltd20
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YANKEENHHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap screw grade 5 zinc pltd111
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YANKEENHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap screw stain steel50
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YANKEENHHex Head Cap ScrewGrade B8Plain5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap scr astm a193-b8 st/stl4
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YANKEENHHex Head Cap ScrewGrade 8Zinc/Yellow7/8-14 x 3 3/47/8-14 x 3 3/4 hex cap screw grade 8 zinc/yellow5
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow1/4-20 x 3 3/41/4-20 x 3 3/4 h/c f911 yel znc b18.2.138
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 3/41/4-20 x 3 3/4 h/c s/s b18.2.1700
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 3/41/4-20 x 3 3/4 h/c s/s b18.2.175
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3 3/45/16-18 x 3 3/4 h/c gr 5 znc b18.2.125
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 3 3/45/16-18 x 3 3/4 h/c dom gr 8 yel znc b18.2.152
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 3 3/45/16-18 x 3 3/4 h/c dom gr 8 yel znc b18.2.125
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 3/45/16-18 x 3 3/4 h/c s/s b18.2.125
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 3 3/45/16-24 x 3 3/4 h/c gr 5 znc b18.2.147
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3 3/43/8-16 x 3 3/4 h/c gr 5 znc b18.2.150
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 3/43/8-16 x 3 3/4 h/c dom gr 8 yel znc b18.2.136
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 3/43/8-16 x 3 3/4 h/c dom gr 8 yel znc b18.2.175
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 3/43/8-16 x 3 3/4 h/c s/s b18.2.15
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 3 3/47/16-14 x 3 3/4 h/c dom gr 8 yel znc b18.2.1173
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 3 3/47/16-14 x 3 3/4 h/c dom gr 8 yel znc b18.2.147
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-20 x 3 3/47/16-20 x 3 3/4 h/c dom gr 8 yel znc b18.2.169
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 3/41/2-13 x 3 3/4 h/c dom gr 8 yel znc b18.2.199
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 3/41/2-13 x 3 3/4 h/c dom gr 8 yel znc b18.2.130
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 3/41/2-13 x 3 3/4 h/c s/s b18.2.120
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 3/41/2-20 x 3 3/4 h/c dom gr 8 yel znc b18.2.1140
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 3/41/2-20 x 3 3/4 h/c dom gr 8 yel znc b18.2.120
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ACCURATEILHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 3 3/4coarse hex c/sr gr811
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ACCURATEILHex Head Cap ScrewGrade 2Plain1/4-20 x 3 3/4hex c/sr gr21280
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 3 3/4coar hex c/sr gr578
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3 3/4coar hex c/sr gr5150
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ACCURATEILHex Head Cap ScrewGrade 5Plain5/8-18 x 3 3/4fine hex c/sr gr591
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ACCURATEILHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 3 3/4fine hex c/sr gr814
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METRO INDOHHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 3 3/47/8-9x3 3/4 hex c/s grade 8 zinc/y25
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METRO INDOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 3/4hex c/s s/s97
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METRO INDOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 3 3/4hex c/s SAE s/s7
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RCFastAZHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 3/4hex cap gr8 (pt)200
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 3/43/8 -16 x 3-3/4 yellow zinc finish sae j429 grade 8 hex cap screw)5
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 3 3/41/4-20x3-3/4 grd5 hex cap screw/zinc)252
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SIIINHex Head Cap ScrewGrade 5Plain3/8-16 x 3 3/43/8-16 x 3-3/4 grd 5 hex cap screw)50
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear7/8-9 x 3 3/47/8 -9x3 3/4 (pt) hex cap screws grade 5 coarse medium carbon zinc cr+3 unc42
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RePneu ToMIHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 3/41/2-13x3 3/4 (pt) hex cap screws grade 8 unc zinc-yellow bake cr+3 (usa)15
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear7/16-14 x 3 3/47/16-14 x 3 3/4 hex cap screws gr 2 zinc b18.2.116
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-13 x 3 3/41/2-13 x 3 3/4 hex cap screws gr 8 plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Yellow1/2-13 x 3 3/41/2-13 x 3 3/4 hex cap screws gr 9 (mc12) z yellow b18.2.120
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 3/41/2-20 x 3 3/4 hex cap screws gr 8 z yellow b18.2.167
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear9/16-12 x 3 3/49/16-12 x 3 3/4 hex cap screws gr 2 zinc b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-12 x 3 3/49/16-12 x 3 3/4 hex cap screws gr 8 z yellow b18.2.1109
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-18 x 3 3/49/16-18 x 3 3/4 hex cap screws gr 8 z yellow b18.2.113
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap screws gr 2 zinc b18.2.1439
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B & K FASTPAHex Head Cap ScrewGrade 5Plain5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap screws gr 5 plain b18.2.11287
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap screws gr 5 zinc b18.2.1585
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap screws gr 5 z yellow b18.2.13
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B & K FASTPAHex Head Cap ScrewGrade 8Plain5/8-11 x 3 3/45/8-11 x 3 3/4 hex cap screws gr 8 plain b18.2.1107
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/8-18 x 3 3/45/8-18 x 3 3/4 hex cap screws gr 5 zinc b18.2.1296
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 3 3/45/8-18 x 3 3/4 hex cap screws gr 8 z yellow b18.2.183
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B & K FASTPAHex Head Cap ScrewGrade 2Plain3/4-10 x 3 3/43/4-10 x 3 3/4 hex cap screws gr 2 plain b18.2.1115
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B & K FASTPAHex Head Cap ScrewGrade 8Plain3/4-10 x 3 3/43/4-10 x 3 3/4 hex cap screws gr 8 plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Yellow3/4-10 x 3 3/43/4-10 x 3 3/4 hex cap screws gr 9 z yellow b18.2.121
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B & K FASTPAHex Head Cap ScrewGrade 5Plain3/4-16 x 3 3/43/4-16 x 3 3/4 hex cap screws gr 5 plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 3 3/43/4-16 x 3 3/4 hex cap screws gr 8 z yellow b18.2.157
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow3/4-16 x 3 3/43/4-16 x 3 3/4 hex cap screws gr 5 z yellow b18.2.120
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Lubker DiPAHex Head Cap ScrewGrade 5Zinc/Yellow1-8 x 3 3/41-8x3 3/4 hhcs grade 5 zp yellow28
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Lubker DiPAHex Head Cap ScrewGrade B7Plain3/4-10 x 3 3/43/4-10x3 3/4 hvy hex screw a193 b7 pln (mtrs required)60
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JET FITTINGCAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 3 3/41/4-20x3-3/4 (pt) hex cap screw steel grade-8 zinc yellow b18.2.1250
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CNBILHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 3 3/4hex c/s15
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