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1 1/4 inch length 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.

Self-Tapping Thread Cutting Screw (types f,1,23,25) (b18.6.4), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#8 x 1 1/4#8 x 1 1/4 mod truss hd. self drilling black phos b18.6.41000
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 1 1/41/4-20x1-1/4 slotted hwh t/c/s type-f stl zc b18.6.4 () () ()14266
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 1 1/41/4-20x1-1/4 6-lobe pan t/c/s type-f stl zc b18.6.4 () () ()4000
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-24 x 1 1/4#10-24x1-1/4 slotted indented hwh t/c/s type-f stl zc b18.6.4 () () ()1500
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear3/8-16 x 1 1/43/8-16x1-1/4 slotted indented hwh t/c/s type-f stl zc b18.6.4 () () ()765
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 1 1/41/4-20x1-1/4 slotted indented hwh t/c/s type-f stl zc b18.6.4 () () ()6000
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GLFOHSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 1 1/41/4-20x1-1/4 phil pan t/c/s type-f stl zc b18.6.4 () () ()6000
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#7 x 1 1/4#7 x 1-1/4 sq-mod pan head type-17 crs thd stl pln b18.6.49500
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-24 x 1 1/410-24 x 1 1/4 p-wafer self-drl hrd stl znc b18.6.43591
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-24 x 1 1/410-24 x 1 1/4 p-wafer self-drl pkg hrd stl znc b18.6.416
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 1 1/4#10 x 1 1/4 s-hwh piercing screw hrd stl znc b18.6.48000
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Plain#10-16 x 1 1/4#10-16 x 1 1/4 hwh self-drl 400 s/s b18.6.41683
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-16 x 1 1/4#10-16 x 1 1/4 hwh self-drl hrd stl znc b18.6.44279
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-16 x 1 1/4#10-16 x 1 1/4 hwh self-drl pkg hrd stl znc b18.6.415
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Plain#10-16 x 1 1/4#10-16 x 1 1/4 p-flat self-drl 400 s/s b18.6.46850
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-16 x 1 1/4#10-16 x 1 1/4 p-flat self-drl hrd stl znc b18.6.4535
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Plain#10-16 x 1 1/4#10-16 x 1 1/4 p-pan self-drl 400 s/s b18.6.41607
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Black#10-16 x 1 1/4#10-16 x 1 1/4 p-pan self-drl hrd stl blk znc b18.6.48109
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-16 x 1 1/4#10-16 x 1 1/4 p-pan self-drl hrd stl znc b18.6.44459
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-16 x 1 1/4#10-16 x 1 1/4 p-pan self-drl pkg hrd stl znc b18.6.412
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 1/412-24 x 1 1/4 p-pan m-scr s/s b18.6.4174
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12-24 x 1 1/412-24 x 1 1/4 hwh self-drl #5 point hrd stl znc b18.6.45759
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12-24 x 1 1/412-24 x 1 1/4 hwh self-drl #5 point pkg hrd stl znc b18.6.410
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Plain#12-14 x 1 1/4#12-14 x 1 1/4 hwh self-drl 400 s/s b18.6.41723
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#12-14 x 1 1/4#12-14 x 1 1/4 hwh self-drl impax w/vista-coat hrd b18.6.4110
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12-14 x 1 1/4#12-14 x 1 1/4 hwh self-drl hrd stl znc b18.6.49054
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12-14 x 1 1/4#12-14 x 1 1/4 hwh self-drl pkg hrd stl znc b18.6.48
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#6 x 1 1/4#6 x 1-1/4 phil pan type-17 fine black oxide self-tapping screw b18.6.445000
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#7 x 1 1/4#7 x 1-1/4/ square fillister fine thread type-17 dry lube screw c1022 hardened b18.6.47500
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#7 x 1 1/4#7 x 1-1/4 square round washer type-17 fine dry lube c1022 hardened screw 10 000 per box b18.6.4109941
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#8 x 1 1/4#8 x 1-1/4 phil flat twinfast black phosphated screw c1022 hardened 11 000 per box b18.6.4400
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-11 x 1 1/4# 8-11 x 1 1/4 square/phillips round washer head coarse thread zinc plated screws (heads painted white) b18.6.48000
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#10 x 1 1/4#10 x 1-1/4 phil flat twinfast black phos screw c1022 hard 8 000 per box b18.6.443850
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#10-32 x 1 1/410-32 x 1-1/4 pan slotted type-f thread cutting screw b18.6.43400
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear3/8-16 x 1 1/43/8-16x1 1/4 (ft) indent hwh slotted thread cutting screws type-f zinc cr+3 b18.6.4400
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear1/4-20 x 1 1/41/4-20x1 1/4 slotted hwh type-f zinc b18.6.41000
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#6 x 1 1/4#6x1 1/4 phillips bugle gray phos b18.6.43500
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1 1/48-32x1 1/4 phil hex type-f zinc b18.6.4102060
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1 1/48-32x1 1/4 phil hex type-f zinc b18.6.471940
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4#12x1 1/4 phil flat t/s zinc b18.6.42066
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16 x 1 1/45/16x1 1/4 unslotted hex washer tap ab zinc b18.6.47600
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16 x 1 1/45/16x1 1/4 unslotted hex washer tap ab zinc b18.6.414700
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QFCTXSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#6-32 x 1 1/46-32x1 1/4 hex slotted square cone b18.6.420950
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-16 x 1 1/410-16 x 1 1/4 hwh self drill screws zinc b18.6.41673
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12-14 x 1 1/412-14 x 1 1/4 hwh self drill screws zinc b18.6.4820
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#14-14 x 1 1/414-14 x 1 1/4 hwh self drill screws zinc b18.6.42504
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear5/16 x 1 1/45/16 x 1 1/4 hwh self drill screws zinc b18.6.4387
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-18 x 1 1/48-18 x 1 1/4 phil oval self drill screws zinc b18.6.48840
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-16 x 1 1/410-16 x 1 1/4 phil pan self drill screws zinc b18.6.46016
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#14-14 x 1 1/414-14 x 1 1/4 phil pan self drill screw zinc b18.6.41955
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-24 x 1 1/410-24 x 1 1/4 phil wafer self drill screws zn b18.6.452
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4#8 x 1 1/4 phillips flat hd s m s zinc b18.6.41834
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4#12 x 1 1/4 phillips flat hd s m s zinc b18.6.420385
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4#12 x 1 1/4 square drive flat s/m/s zinc b18.6.43000
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4#8 x 1 1/4 hwh slotted s m s zinc b18.6.45175
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4#8 x 1 1/4 hwh slotted s m s zinc self piercing b18.6.45992
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4#8 x 1 1/4 phil mod truss s m s zinc b18.6.41400
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 1 1/4#10 x 1 1/4 phillips oval hd s m s zinc b18.6.43193
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4#12 x 1 1/4 phillips pan hd s m s zinc b18.6.46027
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#14 x 1 1/4#14 x 1 1/4 phillips pan hd s m s zinc b18.6.47953
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#14 x 1 1/4#14 x 1 1/4 phillips pan hd s m s z yellow b18.6.4330
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4#8 x 1 1/4 slotted pan s m s zinc b18.6.414425
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Plain#8 x 1 1/4#8 x 1 1/4 phil flat self drill screws 410 ss b18.6.42458
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10-32 x 1 1/4thread cutting screw type-f pan phillips 1032x1-1/4 steel zinc plated b18.6.4500
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)Rubber, Buna-N, Neoprene etc.Plain#12-14 x 1 1/412-14x1 1/4 self-drilling screws unslotted hex washers head steel zinc bonded neoprene washer quantity 1500 b18.6.4500
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#6 x 1 1/4thread cutting screw type-bt(25) pan phillips #6x1-1/4 steel zinc plated b18.6.432400
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 1 1/4slotted pan t/s b18.6.48,125
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#6 x 1 1/4slotted pan t/s b18.6.47,500
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#6 x 1 1/4phil flat t/s b18.6.47,400
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 1 1/4phil flat t/s b18.6.45,325
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#6 x 1 1/4phil pan t/s b18.6.45,043
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#6 x 1 1/4slotted flat t/s b18.6.44,900
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4phil oval t/s b18.6.42,484
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4phil pan t/s b18.6.41,675
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#10 x 1 1/4#10x1 1/4 phil pan tek b18.6.41,140
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#10 x 1 1/4slotted flat t/s b18.6.4800
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4slotted pan t/s b18.6.4700
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/4slotted pan t/s b18.6.4600
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#14 x 1 1/4phil flat t/s b18.6.4400
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4slotted flat t/s b18.6.4400
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x 1 1/418-8 ss phil oval t/s b18.6.4378
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4phil pan t/s b18.6.4850
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x 1 1/418-8 ss slotted flat t/s b18.6.4288
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 1 1/418-8 ss slotted flat t/s b18.6.4224
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 1 1/418-8 ss slotted pan t/s b18.6.4281
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THRDFASTFLSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#12 x 1 1/4phil flat t/s b18.6.4189
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