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3 1/2 inch length Thread Cutting Screws

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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#10 x 3 1/26-lobe drive gold finish 57.4 pcs/lb deck scew weather & resistant acq. lumber uses type-25 bit66352
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TownCountryARSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/2pan phillips type-f #1456fpp450
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Future FastenerTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#10 x 3 1/2#10 x 3 1/2 torx (t17) flat head with nibs coarse type-17 w.a.r. coat250
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EASTERN SCREWRISelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 3 1/214 x 3-1/2 6-lobe pan ab type-25 18-8 100 ksi350
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EASTERN SCREWRISelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/21/4-20 x 3-1/2 phillips pan type-f 18-8142
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NAPPCOTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide5/16-18 x 3 1/25/16-18x3-1/2 flt 6lobet/c scrt/f blk (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING) (30-FLAT 6 LOBE THD CUTTING)75
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NAPPCOTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8-15 x 3 1/28-15 x 3-1/2 philflat tapscrew (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS) (23-TAPPING SCREWS)200
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 3 1/2#10 x 3 1/2 sq drv flat hd t-17 w/nib hrd stl znc b18.6.43500
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Alma BoltMISelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 3 1/218-8 304 bugle square dr type-17 nib800
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Alma BoltMISelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 3 1/218-8 304 flat torx type-17 nibs500
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Alma BoltMISelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#10 x 3 1/2green coat bugle square drive type-17715
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BEACONILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3 1/25/16-18 x 3-1/2 6-lobe (t40) pan head type f thread cutting screw case hardened steel trivalent zinc & bake rohs compliant10190
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XL ScrewGASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/2phillips pan type-f tcs h t & clear chromate600
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XL ScrewGASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/2phillips flat type-f tcs h t & clear chromate600
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XL ScrewGASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3 1/2phillips flat type-f tcs h t & clear chromate500
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MESAFASTCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 3 1/2quadrex round washer coarse type-17175.0
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NutsBoltsNESelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain1/4-20 x 3 1/21/4-20 x 3 1/2 tcs torx floor screw type-f564
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NutsBoltsNESelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain5/16-18 x 3 1/25/16-18 x 3 1/2 tcs torx floor screw type-f128
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#10 x 3 1/2#10 x 3-1/2 flat phil twinfast black phos screw c1022 hard / 1500 per box b18.6.4181800
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MESAFASTCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 3 1/2phil flat particle type-17 w/nibs w/nibs305.0
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NorthernMNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#10 x 3 1/2round wshr combo type-17 rie-terratone1000
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WDMBIASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain17 10 x 3 1/2screw flat 17 (war) 10x3 1/2 icrp xt1031w3,000
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ISSCOMOSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/2slotted flat hd type-f8200
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ISSCOMOSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/2phillips flat hd type-f1700
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 3 1/2#10 x 3 1/2 phil flat s m s 18-8 stainless b18.6.4148
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ArdenWISelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Zinc/Yellow1 x 3 1/21420x3 1/2 torx t30 fl type-f zy ansiinquire
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IRFNJSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 1/2hex full threads 18-8 s/s25
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate5/16-18 x 3 1/25/16-18x3 1/2 6-lobe pan floor board screw type-f fully threaded black phosphate7.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/21/4-20x3 1/2 phillips flat thread cutting screw type-f fully threaded 18-8 stainless steel15,000
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/21/4-20x3 1/2 phillips flat thread cutting screw type-f fully threaded zinc and bake15,000
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3 1/25/16-18x3 1/2 phillips flat thread cutting screw type-f fully threaded zinc and bake7.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-32 x 3 1/210-32x3 1/2 phillips pan thread cutting screw type-f fully threaded zinc and bake12.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/21/4-20x3 1/2 phillips pan thread cutting screw type-f fully threaded zinc and bake15,000
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/21/4-20x3 1/2 6-lobe pan thread cutting screw type-f fully threaded zinc and bake12.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16-18 x 3 1/25/16-18x3 1/2 6-lobe pan thread cutting screw type-f fully threaded zinc and bake7.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear3/8-16 x 3 1/23/8-16x3 1/2 unslotted indented hex washer thread cutting screw type-f fully threaded zinc an7.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain10 x 3 1/210x3 1/2 phillips flat head w/nibs deep thread wood screw type-17 point 2/3 thrd zincbake12.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-8 x 3 1/2#10-8x3 1/2 6-lobe flat nib coarse thrd type-17 exterior screw part thrd 18-8 stainless steel12.500
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Yellow10 x 3 1/210x3 1/2 6-lobe flat nibs coarse thread type-17 exterior screw partial thread zinc yellow20,000
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#8-11 x 3 1/2#8-11x3 1/2 square phillips drive round washer deep thread type-17 2/3 thread black oxide25,000
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Kanebridge ILSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8-11 x 3 1/2#8-11x3 1/2 square phillips drive round washer deep thread type-17 2/3 thread zinc bake25,000
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IRFNJSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 1/2hex full threads 18-8 s/s25
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ZAL INDUSCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide1/4-20 x 3 1/21/4-20 x 3 1/2 torx flat t/s-type-f-bl/ox302
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LippinCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide1/4-20 x 3 1/21/4-20 x 3 1/2 torx flat head type-f black oxide225
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-18 x 3 1/28-18x3 1/2 self-drilling screws phillips modified truss head steel zinc quantity 1000 b18.6.41000
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 3 1/2#10 x 3 1/2 flat sq t-17 nibs w/s s/s b18.6.42,613
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#10 x 3 1/2#10 x 3 1/2 flat star t17 nibs w/s acq coating b18.6.445,760
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KBSTNSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Yellow#10 x 3 1/2#10 x 3 1/2 flat star t17 nibs w/s yellowznc b18.6.46,000
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All SizeTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 3 1/21/4-20 x 3 1/2 pan head torx zinc type-f thread cutting b18.6.4794
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