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5/16 Lag Screws

Lag Screws, are sometimes incorrectly called Lag Bolts. They usually have a square or hexagonal head and a wood screw-style thread with a point. Because of their larger diameter, they usually require a pre-drilled hole. They are usually much larger diameter than wood screws, and are used to connect wood or like materials that need to bear a heavy load. In the U.K., Lag Screws are known as Coach Screws.

9,509 Lag Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
YANKEENHLag ScrewSteelZinc/Clear5/16 x 1 1/25/16 x 1 1/2 hex lag bolt zinc pltd100
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YANKEENHLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/25/16 x 1 1/2 hex lag bolt stain steel35
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YANKEENHLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 25/16 x 2 hex lag bolt stain steel58
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YANKEENHLag ScrewSteelZinc/Clear5/16 x 2 1/25/16 x 2-1/2 hex lag bolt steel zinc plated426
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YANKEENHLag ScrewSteelZinc/Clear5/16 x 35/16 x 3 hex lag bolt zinc pltd225
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YANKEENHLag ScrewSteelZinc/Clear5/16 x 3 1/25/16 x 3 1/2 hex lag bolt zinc pltd68
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YANKEENHLag ScrewSteelZinc/Clear5/16 x 45/16 x 4 hex lag bolt steel zinc plated637
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YANKEENHLag ScrewSteelZinc/Clear5/16 x 4 1/25/16 x 4 1/2 hex lag bolt zinc pltd5
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YANKEENHLag ScrewSteelGalvanized5/16 x 55/16 x 5 hex lag bolt h.d.g.74
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YANKEENHLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-9 x 55/16-9 x 5 hex head lag bolt 18-8 stainless steel55
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YANKEENHLag ScrewSteelZinc/Clear5/16 x 65/16 x 6 hex lag bolt zinc pltd10
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YANKEENHLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-9 x 65/16-9 x 6 hex head lag bolt 18-8 stainless steel3
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JacksonMSLag ScrewSteelGalvanized5/16 x 1hex lag hot dip1280
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JacksonMSLag ScrewSteelGalvanized5/16 x 1 1/2hex lag hot dip595
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JacksonMSLag ScrewSteelGalvanized5/16 x 2hex lag hot dip890
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JacksonMSLag ScrewSteelGalvanized5/16 x 2 1/2hex lag hot dip950
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JacksonMSLag ScrewSteelGalvanized5/16 x 3hex lag hot dip3068
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JacksonMSLag ScrewSteelGalvanized5/16 x 3 1/2hex lag hot dip793
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JacksonMSLag ScrewSteelGalvanized5/16 x 4hex lag hot dip418.46
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JacksonMSLag ScrewSteelGalvanized5/16 x 4 1/2hex lag hot dip123
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JacksonMSLag ScrewSteelGalvanized5/16 x 5hex lag hot dip1180.5
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JacksonMSLag ScrewSteelGalvanized5/16 x 5 1/2hex lag hot dip3
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JacksonMSLag ScrewSteelGalvanized5/16 x 6hex lag hot dip178
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JacksonMSLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 2 1/2hex lag ss131
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 1hex lag6995.75
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 1 1/4hex lag1598
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 1 1/2hex lag1004
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 1 3/4hex lag1654
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 2hex lag2110
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 2 1/2hex lag724
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 3hex lag414
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JacksonMSLag ScrewSteelZinc/Clear5/16 x 3 1/2hex lag188.35
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MAINSOURCNHLag ScrewSteelPlain5/16 x 1 1/25/16x1 1/2 hex lag bolt stl z/clr800
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 15/16x1 lag screw 18-8 ss200
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WeaverWALag ScrewSteelZinc/Clear5/16 x 15/16x1 lag screw zinc2400
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WeaverWALag ScrewSteelZinc/Clear5/16 x 1 1/45/16x1 1/4 lag screw zinc2211
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/25/16x1 1/2 lag screw 18-8 ss200
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WeaverWALag ScrewSteelZinc/Clear5/16 x 1 3/45/16x1 3/4 lag screw zinc800
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 25/16x2 lag screw 18-8 ss114
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 2 1/25/16x2 1/2 lag screw 18-8 ss134
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 35/16x3 lag screw 18-8 ss23
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 3 1/25/16x3 1/2 lag screw 18-8 ss275
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WeaverWALag ScrewSteelZinc/Clear5/16 x 4 1/25/16x4 1/2 lag screw zinc550
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WeaverWALag ScrewSteelZinc/Clear5/16 x 55/16x5 lag screw zinc50
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WeaverWALag ScrewSteelZinc/Clear5/16 x 5 1/25/16x5 1/2 lag screw zinc987
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WeaverWALag ScrewSteelZinc/Clear5/16 x 65/16x6 lag screw zinc140
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/45/16x1 1/4 lag screw 18-8 ss146
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 45/16x4 lag screw 18-8 ss50
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 55/16x5 lag screw 18-8 ss50
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WeaverWALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 65/16x6 lag screw 18-8 ss44
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AbabaCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 15/16 x 1 lag bolt s/s1049
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AbabaCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 15/16 x 1 lag bolt s/s100
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AbabaCALag ScrewSteelGalvanized5/16 x 15/16 x 1 lag bolt stl hdg46
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AbabaCALag ScrewSteelZinc/Clear5/16 x 15/16 x 1 lag bolt stl znc950
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AbabaCALag ScrewSteelZinc/Clear5/16 x 15/16 x 1 lag bolt stl znc100
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AbabaCALag ScrewSteelPlain5/16 x 1 1/45/16 x 1 1/4 lag screw shoulder-shrt409
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AbabaCALag ScrewSteelPlain5/16 x 1 1/45/16 x 1 1/4 lag screw shoulder-shrt100
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AbabaCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/45/16 x 1 1/4 lag bolt s/s8189
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AbabaCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/45/16 x 1 1/4 lag bolt s/s150
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AbabaCALag ScrewSteelZinc/Clear5/16 x 1 1/45/16 x 1 1/4 lag bolt stl znc400
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AbabaCALag Screw316, 317, A4 StainlessPlain5/16 x 1 1/25/16 x 1 1/2 lag bolt 316 s/s22
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AbabaCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/25/16 x 1 1/2 lag bolt s/s363
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AbabaCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/25/16 x 1 1/2 lag bolt s/s50
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AbabaCALag ScrewSteelGalvanized5/16 x 1 1/25/16 x 1 1/2 lag bolt stl hdg434
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AbabaCALag ScrewSteelGalvanized5/16 x 1 1/25/16 x 1 1/2 lag bolt stl hdg100
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AbabaCALag ScrewSteelZinc/Clear5/16 x 1 1/25/16 x 1 1/2 lag bolt stl znc426
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AbabaCALag ScrewSteelZinc/Clear5/16 x 1 1/25/16 x 1 1/2 lag bolt stl znc300
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AbabaCALag ScrewSteelPlain5/16 x 1 3/45/16 x 1 3/4 lag screw shoulder-lng475
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AbabaCALag ScrewSteelPlain5/16 x 1 3/45/16 x 1 3/4 lag screw shoulder-lng150
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AbabaCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 25/16 x 2 lag bolt s/s307
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ACCURATEILLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/25/16x1 1/2 hex lag scr 18-8 stainless steel80
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ACCURATEILLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 25/16x2 hex lag scr 18-8 stainless steel40
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ACCURATEILLag ScrewSteelZinc/Clear5/16 x 5 1/2hex lag scr50
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ACCURATEILLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1hex lag scr 18-8 s/s128
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ACCURATEILLag ScrewSteelGalvanized5/16 x 2hex lag scr hot dip30
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ACCURATEILLag ScrewSteelPlain5/16 x 25/16x2 square lag bolt plain20000
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 1 1/25/16 x 1 1/2 hex lag bolt zp1800
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AmericanNYLag ScrewSteelZinc/Clear5/16- x 25/16-x 2 hex lag bolt zp300
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 4lag bolt plate1335
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 1hex lag bolt zp2870
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 1 3/4hex lag zp2100
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 5hex lag bolt zp1600
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 3hex lag bolt zp4225
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AmericanNYLag ScrewSteelPlain5/16 x 1 1/4hex lag3300
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 1 1/2hex lag bolt zp3940
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AmericanNYLag ScrewSteelPlain5/16 x 4hex lag bolt black142
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AmericanNYLag ScrewSteelPlain5/16 x 10 1/2hex lag bolt315
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RCFastAZLag ScrewSteelZinc/Clear5/16 x 3 1/2hex lag bolt stl cr+3450
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RCFastAZLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 25/16x2 hex lag bolt 18-8 304550
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RCFastAZLag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 35/16x3 hex lag bolt 18-8 304350
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RCFastAZLag ScrewSteelZinc/Clear5/16 x 1hex lag bolt stl cr+31375
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ExpressCALag ScrewSteelZinc/Clear5/16 x 1 1/25/16x1-1/2 hex lag bolt zinc139
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ExpressCALag ScrewSteelZinc/Clear5/16 x 25/16x2 hex lag bolt zinc249
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ExpressCALag ScrewSteelZinc/Clear5/16 x 35/16x3 hex lag bolt zinc518
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ExpressCALag ScrewSteelZinc/Clear5/16 x 45/16x4 hex lag bolt zinc298
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ExpressCALag ScrewSteelZinc/Clear5/16 x 65/16x6 hex lag bolt zinc169
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ExpressCALag ScrewSteelZinc/Clear5/16 x 3 1/25/16x3-1/2 hex lag bolt zinc601
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ExpressCALag ScrewSteelZinc/Clear5/16 x 55/16x5 hex lag bolt zinc25
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ExpressCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 2 1/25/16x2-1/2 hex lag bolt 18-8 304 steel33
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ExpressCALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 3 1/25/16x3-1/2 hex lag bolt 18-8 304 steel100
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SIIINLag ScrewSteelZinc/Clear5/16 x 15/16x1 zinc lag screw)446
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SIIINLag ScrewSteelZinc/Clear5/16 x 1 1/45/16x1-1/4 zinc lag screw)619
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SIIINLag ScrewSteelZinc/Clear5/16 x 1 1/25/16x1-1/2 zinc lag screw)447
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SIIINLag ScrewSteelZinc/Clear5/16 x 1 3/45/16 x 1-3/4 hex head lag screw zinc)300
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SIIINLag ScrewSteelZinc/Clear5/16 x 25/16x2 zinc lag screw)73
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SIIINLag ScrewSteelZinc/Clear5/16 x 2 1/25/16x2-1/2 zinc lag screw)443
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SIIINLag ScrewSteelZinc/Clear5/16 x 35/16x3 zinc lag screw)655
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SIIINLag ScrewSteelZinc/Clear5/16 x 3 1/25/16x3-1/2 zinc lag screw)108
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SIIINLag ScrewSteelZinc/Clear5/16 x 45/16x4 zinc lag screw)275
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SIIINLag ScrewSteelZinc/Clear5/16 x 4 1/25/16x4-1/2 zinc lag screw)290
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SIIINLag ScrewSteelZinc/Clear5/16 x 55/16x5 zinc lag screw)15
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SIIINLag ScrewSteelZinc/Clear5/16 x 65/16x6 zinc lag screw)100
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JHP FastenersTXLag ScrewSteelZinc/Clear5/16 x 3.00screw hex lag 5/16x3.00 stl/znc625
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QFCTXLag ScrewSteelZinc/Clear5/16 x 25/16x2 hex lag screw zinc750
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QFCTXLag ScrewSteelGalvanized5/16 x 25/16x2 hex lag screw hdg267
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QFCTXLag ScrewSteelGalvanized5/16 x 65/16x6 lag screw hdg73
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QFCTXLag ScrewSteelZinc/Clear5/16 x 1 1/45/16x1 1/4 hex lag screw zinc4525
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QFCTXLag ScrewSteelZinc/Clear5/16 x 1 1/25/16x1 1/2 hex lag screw zinc300
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QFCTXLag ScrewSteelZinc/Clear5/16 x 25/16x2 hex lag screw zinc125
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QFCTXLag ScrewSteelZinc/Clear5/16 x 2 1/25/16x2 1/2 hex lag screw zinc875
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QFCTXLag ScrewSteelZinc/Clear5/16 x 2 1/25/16x2 1/2 hex lag screw zinc500
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QFCTXLag ScrewSteelZinc/Clear5/16 x 35/16x3 hex lag screw zinc50
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QFCTXLag ScrewSteelZinc/Clear5/16 x 3 1/25/16x3 1/2 hex lag screw zinc300
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QFCTXLag ScrewSteelZinc/Clear5/16 x 3 1/25/16x3 1/2 hex lag screw zinc25
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QFCTXLag ScrewSteelZinc/Clear5/16 x 45/16x4 hex lag screw zinc425
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QFCTXLag ScrewSteelZinc/Clear5/16 x 55/16x5 hex lag screw zinc25
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QFCTXLag ScrewSteelZinc/Clear5/16 x 55/16x5 hex lag screw zinc275
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B & K FASTPALag ScrewSteelGalvanized5/16 x 4 1/25/16 x 4 1/2 hex lag bolts hd galv351
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B & K FASTPALag ScrewSteelZinc/Clear5/16 x 1 1/25/16 x 1 1/2 hex lag bolts zinc279
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B & K FASTPALag ScrewSteelZinc/Clear5/16 x 25/16 x 2 hex lag bolts zinc4762
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B & K FASTPALag ScrewSteelZinc/Clear5/16 x 35/16 x 3 hex lag bolts zinc1067
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B & K FASTPALag ScrewSteelZinc/Clear5/16 x 45/16 x 4 hex lag bolts zinc161
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B & K FASTPALag ScrewSteelZinc/Clear5/16 x 55/16 x 5 hex lag bolts zinc256
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 15/16 x 1 hex lag bolts 18-8 stainless62
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1 1/25/16 x 1 1/2 hex lag bolts 18-8 stainless227
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 25/16 x 2 hex lag bolts 18-8 stainless167
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 2 1/25/16 x 2 1/2 hex lag bolts 18-8 stainless50
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 35/16 x 3 hex lag bolts 18-8 stainless107
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 3 1/25/16 x 3 1/2 hex lag bolts 18-8 stainless27
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 45/16 x 4 hex lag bolts 18-8 stainless39
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B & K FASTPALag Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Pl ain5/16 x 55/16 x 5 hex lag bolts 18-8 stainless44
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JET FITTINGCALag ScrewSteelBlack Oxide5/16 x 15/16x1 hex lag screws gimlet point low carbon steel black oxide150
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JET FITTINGCALag ScrewSteelZinc/Clear5/16 x 3bolt lag hex 5/16x3 steel zinc plated225
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CNBILLag ScrewSteelPlain5/16-9 x 2lag bolt finish700
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 3 1/2hex lag bolt plate49
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 3hex lag bolt zp4200
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 1hex lag bolt zp850
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AmericanNYLag ScrewSteelZinc/Clear5/16 x 4lag bolt plate1700
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JET FITTINGCALag ScrewSteelZinc/Clear5/16 x 4bolt lag hex 5/16x4 stell zinc plated150
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