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5/16-18 Thread Cutting Screws (ASME B18. 6.4)

Thread Cutting Screws are a type of screw with a specific hardness, thread design, and point that can cut new threads in a pre-drilled hole in thicker metal. They come with a variety of different point types depending on the application.

47 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
ASMCILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1/25/16-18x1/2 unc tcs hex washer type-23 low carb zp b18.6.4800
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General FMISelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1/25/16-18 x .5 hwh slt type-23 tcs zn b18.6.411576
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FACCAOntSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1/2thread-cutting screw indented hex washer head type-23 5/16-18 unc x 1/2 lg (1/2 hex a.f. x 3/4 washer od) low carbon steel case hardened zinc plated b18.6.44,560
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ASMCILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1/2coarse tcs hex washer type-f low carb zp b18.6.424
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FACCAOntSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 5/8thread-cutting screw indented hex washer head type f 5/16-18 unc x 5/8 l (hd 1/2 af) low carb steel case hard zinc plate ansi b18.6.4-1966 b18.6.470,000
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Bostwick INSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 5/85/16-18 x 5/8 t/f scr sl hwh type-f zinc b18.6.432
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide5/16-18 x 3/45/16-18x3/4 hwh t/c/s type-f stl blk ox b18.6.4 () ()509
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DavisILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3/45/16-18 x 3/4 unsltd. ind. hex w/h type-1 tcs-steel zinc b18.6.4500
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DavisILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3/45/16-18 x 3/4 sltd. ind. hex w/h type-f tcs-steel zinc b18.6.44,015
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3/45/16-18x3/4 slotted hwh tcs type-1 zinc b18.6.41070
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Mid-ValleyCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3/4self-tapping thread cutting screw (types f 1 23 25) b18.6.4inquire
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General FMISelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 3/405/16-18x.750 trx pnttcs polyseal 3 b18.6.423275
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ASMCILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3/4coarse tcs indented hex type-f low carb zp b18.6.41,638
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3/45/16-18x3/4 hwh t/c/s type-f stl zc b18.6.4 () ()200
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide5/16-18 x 15/16-18 x 1 p-flat m-scr under cut hd al-2000 blk b18.6.4650
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 15/16-18 x 1 hwh slotted thd cutting screw ty f b18.6.450
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 15/16-18 x 1 hwh unslt thd cutting screw ty f b18.6.4103
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 15/16-18 x 1 hwh serrated unslt thd cutting screw ty f zinc b18.6.4925
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 15/16-18 x 1 weld screws 3 projection b18.6.4400
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 15/16-18x1 hex washer type-f thread cutting screw b18.6.419
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 15/16-18x1 hwh t/c/s type-f stl zc b18.6.4 () ()631
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 15/16-18 x 1 indhexwshr t/c f unslotted pltd b18.6.41,530
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 15/16-18 x 1 pan torx th/cutter type-f plated b18.6.41,250
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Bostwick INSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 15/16-18 x 1 thread forming scr hex head type-1 b18.6.4139
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1 1/45/16-18x1 1/4 slotted hwh type-f tcs zinc b18.6.4300
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Mid-ValleyCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/4self-tapping thread cutting screw (types f 1 23 25) b18.6.4inquire
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Mid-ValleyCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/4self-tapping thread cutting screw (types f 1 23 25) b18.6.4inquire
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 weld screws 3 projection b18.6.4400
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1 1/25/16-18x 1 1/2 slotted indented hwh type-f zinc b18.6.4100
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1 1/25/16-18x1 1/2 slotted hwh type-1 zinc b18.6.450
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/2 indhexwshr t/c f slotted pltd b18.6.45,636
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/2 pan torx th/cutter type-f zinc plated b18.6.4700
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General FMISelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Yellow5/16-18 x 1 3/45/16-18 x 1.75 hwh slt type-t zn ylw b18.6.41530
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 25/16-18 x 2 torx pan thread cutting screw type-f b18.6.4344
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 25/16-18 x 2 flat sixlobe!t/c type-f b18.6.48,435
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Alma BoltMISelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 25/16-18 x 2 hwh type-f thread cut screw b18.6.4288
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NBSILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate5/16-18 x 2 1/45/16-18 x 2-1/4 flat hd t-40 6-lobe floor board screw type-f blk phos. b18.6.417.6
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 2 1/45/16-18 x 2 1/4 flat sixlobe!t/c type-f b18.6.44,046
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General FMISelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 2 1/45/16-18 x 2.25 hwh slt tcs type-t b18.6.42184
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 torx pan thread cutting screw type-f b18.6.4315
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 2 1/25/16-18x2 1/2 torx pan type-f zinc b18.6.4400
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NBSILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate5/16-18 x 2 1/25/16-18 x 2-1/2 flat hd t-40 6-lobe floor board screw type-f blk phos. b18.6.410.4
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 flat sixlobe!t/c type-f b18.6.44,781
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NBSILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate5/16-18 x 35/16-18 x 3 flat hd t-40 6-lobe floor board screw type-f blk phos. b18.6.46
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide5/16-18 x 35/16-18x3 torx flat t/c/s type-f stl blk ox b18.6.4 () ()500
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General FMISelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Yellow5/16-18 x 3 1/25/16-18 x 3.5 ind hex slt tcs zn ylw b18.6.41746
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Bostwick INSelf-Tapping Thread Cutting Screw (types f,1,23,25)TitaniumPlain5/16-185/16-18 spiral pt plug tap hss 2 flt h3 titanium nitride coated spt170130tn b18.6.46
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