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#8 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 
AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#8 x 1 1/28 x 1 1/2 phil blk flat top trim screw b18.6.42
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)Nylon (Polyamide)Plain#8#8 scw white nyl rocker mld g nut b18.6.44
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#8 x 1 1/28 x 1 1/2 od wsh phil blk flat top trim screw b18.6.41
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#8 x 1 13/328 x 1 13/32 od wsh phil blk flat top trim screw b18.6.42
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8 x 1 3/4#8 x 1 3/4 p-flat s/d w/nibs fastap plus (bx/1m) b18.6.41
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8 x 1 3/8#8 x 1 3/8 p-flat s/d w/nibs fastap plus (bx/100) b18.6.410
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8 x 1 3/8#8 x 1 3/8 p-flat s/d w/nibs fastap plus (bx/1m) b18.6.43
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 1 1/2#8 x 1 1/2 sq-trim head screw s/s (bx/75) b18.6.44
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#8-32 x 1/48-32 x 1/4 p-flat m-scr u/cut stl blk ox oil b18.6.4960
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Plain#8-32 x 3/88-32 x 3/8 p-flat m-scr type-f undercut 400 s/s b18.6.41000
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/28-32 x 1/2 p-flat m-scr u/cut s/s b18.6.41610
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#8-32 x 1/28-32 x 1/2 p-flat m-scr s/s blk ox b18.6.4100
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/88-32 x 5/8 p-flat m-scr u/cut s/s b18.6.431
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#8-32 x 7/88-32 x 7/8 p-flat m-scr hobie cat black s/s b18.6.44350
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 drawer front screw (p-rnd wash) t-17 stl znc b18.6.49000
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 p-flat part-brd t-17 w/nib hrd stl znc b18.6.418755
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 sq drv flat hd t-17 w/nib hrd stl znc b18.6.47000
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8 x 1#8 x 1 p-mod truss piercing screw hrd stl pln b18.6.44712
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 p-mod truss piercing screw hrd stl znc b18.6.425724
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AbabaCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 s-hwh piercing screw hrd stl znc b18.6.446000
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#8 x 1#8x1 phil pan deep thread black phosphated c1022 hardened 12 000 per box b18.6.4433870
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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#8 x 1 1/8#8 x 1-1/8 phil flat head twinfast c1022 hardened screw black phosphated 11 000 per box b18.6.4128800
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#8 x 1 3/4#8 x 1-3/4 phil flat head twinfast c1022 hardened black phosphated screw 6 000 per box b18.6.4180730
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-11 x 1 3/48-11 x 1 3/4 square/phillips round washer head coarse thread zinc plated screws b18.6.45100
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8-9 x 2 1/2# 8-9 x 2 1/2 square flat head with nibs under head coarse thread screws double type-17 ultra guard b18.6.45800
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPhosphate#8 x 3/4#8 x 3/4 phil flat head twinfast c1022 hardened black phosphated screw 18 000 per box b18.6.4359940
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SIIINSelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelPlain#8-9 x 3# 8-9 x 3 square flat head with nibs under head coarse thread screws double type-17 ultra guard 2000 per box b18.6.49200
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 3/4#8 x 3/4 phillips flat hd s m s zinc b18.6.435293
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-18 x 18-18 x 1 phil oval self drill screw #6 hd zinc b18.6.41505
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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#8-18 x 18-18 x 1 phil pan self drill screws zinc b18.6.49232
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-18 x 18-18 x 1 phil wafer self drill screws zinc b18.6.440800
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 5/8#8 x 5/8 phillips flat hd s m s zinc b18.6.472792
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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#8 x 1 1/2#8 x 1 1/2 phillips flat hd s m s zinc b18.6.427426
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 2 1/2#8 x 2 1/2 phillips flat hd s m s zinc b18.6.44195
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 3#8 x 3 phillips flat hd s m s zinc b18.6.47250
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 hwh slotted s m s zinc self piercing b18.6.41890
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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 1/2#8 x 1 1/2 hwh slotted s m s zinc self piercing b18.6.41437
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 hwh unslotted s m s zinc b18.6.43466
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 phil mod truss s m s zinc b18.6.4273
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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#8 x 1 5/8#8 x 1 5/8 phil mod truss s m s zinc b18.6.44019
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1 1/2#8 x 1 1/2 phil oval s m s zinc w/ #6 head b18.6.4151
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B & K FASTPASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 1#8 x 1 phillips pan hd s m s zinc b18.6.49046
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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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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)400 Stainless (405, 410,416,420,430 etc.)Plain#8 x 5/8thread cutting screw hi-lo pan phillips #8x5/8 410stainless steel b18.6.4340
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8 x 5/8thread cutting screw hi-lo pan phillips #8x5/8 steel zinc plated b18.6.41300
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#8 x 3/4thread cutting screw hi-lo pan phillips #8x3/4 black oxide and wax #6 hd b18.6.41491
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1/4thread cutting screw type-f pan phillips 832x1/4 steel zinc plated b18.6.41300
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/4thread cutting screw type t(23) pan phillips 832x1/4 stainless steel400 b18.6.48900
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1/4thread cutting screw type t(23) pan phillips 832x1/4 steel zinc plated b18.6.48250
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 3/8thread cutting screw type-f pan phillips 832x3/8 steel zinc plated b18.6.49300
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainles s (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/2thread cutting screw type-f pan phillips 832x1/2 stainless steel400 b18.6.41000
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/4thread cutting screw type-f flat82 phillips 832x3/4 stainless steel400 b18.6.46400
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 3/4thread cutting screw type-f pan phillips 832x3/4 steel zinc plated b18.6.41000
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1 1/2thread cutting screw type-f flat82 phillips 832x1-1/2 steel zinc plated b18.6.42500
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1/28-32x1/2 type-f thread cutting screws phillips truss head steel zinc quantity 9000 b18.6.41000
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-15 x 1 1/28-15x1 1/2 type-a self-tapping screws unslotted hex head steel zinc quantity 2500 b18.6.42500
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelBlack Oxide#8 x 5/8thread cutting screw hi-lo pan phillips #8x5/8 black oxide and wax #6hd b18.6.44350
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1/4thread cutting screw type-f flat82 phillips 832x1/4 steel zinc plated undercut b18.6.45000
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 1/4thread cutting screw type-f hex indented washer slotted 832x1/4 steel zinc plated b18.6.46994
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 3/8thread cutting screw type-f flat82 phillips 832x3/8 steel zinc plated b18.6.44000
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 3/8thread cutting screw type t(23) hexwasher slotted 832x3/8 steel zinc plated b18.6.499500
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JET FITTINGCASelf-Tapping Thread Cutting Screw (types f,1,23,25)SteelZinc/Clear#8-32 x 3/8thread cutting screw type-f pan slotted 832x3/8 steel zinc plated b18.6.4700
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