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3 1/2 inch length Self Tapping Screws

Self-Drilling TEK® Screws are a class of self-tapping screw that have a point that looks and functions as a drill bit, and can be used in metal, wood, or plastic without a pre-drilled hole.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
ManscoMISelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear8-18 x 3-1/2 pan phil self drill scr triv znc800
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UNEEDANJSelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain#14 x 3 1/2#14x3-1/2 unslotted hex w/h #3 point185
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JacksonMSSelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain#14 x 3 1/2#14x3-1/2 hex tek 410 ss100
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Future FastenerTXSelf-Tapping Self-Drilling Screw (Tek etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 3 1/2#14 x 3-1/2 hex washer head tek screw (self-drilling) stainless steel1
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JacksonMSSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14-14 x 3 1/2#14-14x3 1/2 # pt. hex washer tek #21050
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MESAFASTCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelPainted#8-18 x 3 1/2#8-18 x 3-1/2 phil pan self-drilling #2pt steel white painted | steel white painted | steel white painted1,200.0
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MESAFASTCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#8-18 x 3 1/2#8-18 x 3-1/2 phil flat self-drilling #2 point steel zinc800.0
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MESAFASTCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#8-18 x 3 1/2phil pan self-drilling #2 point1,200.0
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ASMCILSelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain#12-14 x 3 1/2#12-14x3 1/2 (ft) sds phil flat hd #3 point ss410 b18.6.4300
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ASMCILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/2(ft) bsd sds hex washer #3 point low carb zp755
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ASMCILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/2(ft) bsd sds phil pan #3 point low carb zp400
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ASMCILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#8-18 x 3 1/2(ft) bsd sds phil pan #2 point low carb zp500
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ASMCILSelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain#12-14 x 3 1/2#12-14x3 1/2 (ft) sds square drive flat#3 point ss410 b18.6.485
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Jay-CeeMISelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14x3 1/2 phillips flat self drilling screw full thread zinc and bake400
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MTPCASelf-Tapping Self-Drilling Screw (Tek etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 3 1/2#14 x 3 1/2 s.s 410 hwh self drilling tek screws200
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MTPCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14 x 3 1/2#14 x 3 1/2 zn hex wash hd tek screw28
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AmericanNYSelf-Tapping Self-Drilling Screw (Tek etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain14 x 3 1/2hex washer self drill 18-8 304900
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AmericanNYSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear14 x 3 1/2phillip flat self drill plate2450
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AmericanNYSelf-Tapping Self-Drilling Screw (Tek etc.)SteelBlack Oxide#9 x 3 1/2phillip flat twinfast black ox1000
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Alma BoltMISelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain#14-20 x 3 1/2(#4 point) flat phil self-drill w/wings4985
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ScrooscoopCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelPhosphate#10-16 x 3 1/2#10-16 x 3-1/2 self drilling screws bugle phillips type bsd thread #2 drill point carbon steel black phosphate4,000
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ScrooscoopCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelFree Zinc Basecoat + Ceramic Topcoat (Ruspert, Ruspro, Dagger-Guard, etc.)#10-16 x 3 1/2#10-16 x 3-1/2 self drilling screws pan square type bsd thread #3 drill point carbon steel ceramic silver 1000hr9,674
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MESAFASTCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10-24 x 3 1/2phil flat self-drilling w/wings zinc112.0
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MESAFASTCASelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain#12-14 x 3 1/2#12-14 x 3-1/2 phil pan self drilling 410 stainless41.0
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XL ScrewGASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#12 x 3 1/2unslotted indented hex washer sds h t & clear chromate bsd #3 point1,300
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XL ScrewGASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4 x 3 1/2unslotted indented hex washer sds h t & clear chromate bsd #3 point1,000
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XL ScrewGASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2phillips bugle sds h t & clear chromate bsd fine thread #2 point1,500
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XL ScrewGASelf-Tapping Self-Drilling Screw (Tek etc.)SteelPhosphate#10 x 3 1/2phillips bugle drywall scr twinfast fine thrd sharp pt h t phosphate1,000
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SWACOOHSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14x3 1/2 self-drill sc zn250
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Intl FastFLSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2phillips bugle daggerz dwsdz10312stock
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Intl FastFLSelf-Tapping Self-Drilling Screw (Tek etc.)SteelMulti-Layer Proprietary Aerospace Coating (Stalgard, etc.)#14 x 3 1/2phillips flat with wings daggerz sd4ctww14312stock
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Intl FastFLSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2phillips bugle daggerz dwsdz10312stock
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Intl FastFLSelf-Tapping Self-Drilling Screw (Tek etc.)SteelMulti-Layer Proprietary Aerospace Coating (Stalgard, etc.)#14 x 3 1/2phillips flat with wings daggerz sd4ctww14312stock
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Intl FastILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2phillips bugle self drill clear ctg daggerzstock
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Intl FastILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelFree Zinc Basecoat + Ceramic Topcoat (Ruspert, Ruspro, Dagger-Guard, etc.)1/4-20 x 3 1/2phillips flat self drill w/wings dagger-guard ctg silver daggerzstock
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Intl FastPASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2phillips bugle daggerz dw10312 hex washer daggerz DWSDZ10312stock
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Intl FastPASelf-Tapping Self-Drilling Screw (Tek etc.)SteelMulti-Layer Proprietary Aerospace Coating (Stalgard, etc.)#14 x 3 1/2phillips flat with wings daggerz ww14312 hex washer daggerz SD4CTWW14312stock
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Intl FastTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelMulti-Layer Proprietary Aerospace Coating (Stalgard, etc.)#14 x 3 1/2phillips flat with wings daggerz ww14312 hex washer daggerz SD4CTWW14312stock
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Intl FastTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2phillips bugle daggerz dw10312 hex washer daggerz DWSDZ10312stock
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Intl FastNCSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2phillips bugle daggerz dw10312 hex washer daggerz DWSDZ10312stock
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Intl FastNCSelf-Tapping Self-Drilling Screw (Tek etc.)SteelMulti-Layer Proprietary Aerospace Coating (Stalgard, etc.)#14 x 3 1/2phillips flat with wings daggerz ww14312 hex washer daggerz SD4CTWW14312stock
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HBBOLTCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain#10 x 3 1/2drywall bugle tek blk1,358
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HBBOLTCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain1/4 x 3 1/2sds double barrier coating1,677
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HBBOLTCASelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain14 x 3 1/2flat phillips teks 410 ss6
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JET FITTINGCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14x3 1/2 self-drill sc zn 693270 b18.6.4250
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DeltaTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2self drill phil bugle zinc #10 x 3-1/2344
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DeltaTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14 x 3 1/2self drill phil flat zinc #14 x 3 1/2 (#3 POINT IS COMMON)600
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B & K FASTPASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14-14 x 3 1/214-14 x 3 1/2 phil flat self drill screws zinc b18.6.471
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B & K FASTPASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14-20 x 3 1/214-20 x 3 1/2 phil flat self drill screws zinc with wings b18.6.4100
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B & K FASTPASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14 x 3 1/2 hwh self drill screws tek 4 zinc b18.6.42
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TSFTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4 x 3 1/2phil flat tek reamer w/wings zinc 1/4 x 3-1/2525
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#8-18 x 3 1/28-18x3 1/2 phillips flat self drilling screw full thread zinc and bake25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10-16 x 3 1/210-16x3 1/2 phillips flat self drilling screw full thread zinc and bake25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#12-14 x 3 1/212-14x3 1/2 phillips flat self drilling screw full thread zinc and bake18.750
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14x3 1/2 phillips flat self drilling screw full thread zinc and bake15,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#8-18 x 3 1/28-18x3 1/2 phillips modified truss head self drilling screw full thread zinc and bake25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10-16 x 3 1/210-16x3 1/2 phillips modified truss head self drilling screw full thread zinc and bake25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#8-18 x 3 1/28-18x3 1/2 phillips pan full thread self drilling screw zinc and bake25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10-16 x 3 1/210-16x3 1/2 phillips pan full thread self drilling screw zinc and bake25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#12-14 x 3 1/212-14x3 1/2 phillips pan full thread self drilling screw zinc and bake18.750
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14x3 1/2 phillips pan full thread self drilling screw zinc and bake15,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10-16 x 3 1/210-16x3 1/2 square drive flat head fully threaded self drilling screw zinc and bake25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#8-18 x 3 1/28-18x3 1/2 unslotted indented hexwasher self drill screw full thread zinc and bake30,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10-16 x 3 1/210-16x3 1/2 unslotted indented hexwasher self drill screw full thread zinc and bake20,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#12-14 x 3 1/212-14x3 1/2 unslotted indented hexwasher self drill screw full thread zinc and bake15,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14x3 1/2 unslotted indented hexwasher self drill screw full thread zinc and bake20,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-14 x 3 1/21/4-14x3 1/2 unslotted hexwasher number 4 point self drill screw full thread zinc and bake20,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-14 x 3 1/21/4-14x3 1/2 phillips flat self drill screw full thread 18-8 stainless steel7.500
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-20 x 3 1/21/4-20x3 1/2 phillips flat self drill screw #4 point with wings full thread zinc and bake15,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain#8-18 x 3 1/28-18x3 1/2 phillips bugle head full thread self drilling drywall screw black phosphate25,000
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Kanebridge ILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#12-14 x 3 1/2#12-14x3 1/2 phillips modified truss head self drilling screw full thread zinc and bake25,000
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LibertyILSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-20 x 3 1/2phillips flat self drilling #4 point with wings300
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ZAL INDUSCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14 x 3 1/2#14 x 3 1/2 round washer hd k-lathe tek zinc600
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LippinCASelf-Tapping Self-Drilling Screw (Tek etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 3 1/212 x 3-1/2 phillips pan head self drill stainless400
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LippinCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14 x 3 1/2self-drilling screw hex-head zinc plated25000
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LippinCASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2self-drilling screw phillips pan head zinc plated44200
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SRFALSelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain1/4-20 x 3 1/2plymetal tek with wings9
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Wurth AdaMNSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#12-14 x 3 1/2scr self drilling #2 hexwhd steel (zn) 12-14x3 1/21,200
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AmericanNYSelf-Tapping Self-Drilling Screw (Tek etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain14 x 3 1/2hex washer self drill 18-8 304100
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Pac FasTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2#10 x 3-1/2 flat head phillips self-drilling screw zinc b18.6.41,080
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Pac FasTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#14 x 3 1/2#14 x 3-1/2 hex washer head self-drilling screw zinc b18.6.480
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Pac FasTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Black#14 x 3 1/2#14 x 3-1/2 hex washer head self-drilling screw black zinc b18.6.4110
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Pac FasTXSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4-20 x 3 1/21/4-20 x 3-1/2 flat head phillip reamer self-drilling screw w/wings zinc b18.6.4inquire
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KBSTNSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear#10 x 3 1/2#10 x 3 1/2 panphil^selfdrillscrew pltd b18.6.41,000
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KBSTNSelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Clear1/4 x 3 1/21/4 x 3 1/2 plymetal sds w/wings pltd b18.6.41,720
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KBSTNSelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain1/4 x 3 1/21/4 x 3 1/2 plymetal sds w/wings silvercoated b18.6.41,250
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KBSTNSelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain#10 x 3 1/2#10 x 3 1/2 buglephil selfdrill!studcutter b18.6.45,500
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KBSTNSelf-Tapping Self-Drilling Screw (Tek etc.)SteelPlain1/4 x 3 1/21/4 x 3 1/2 plymetal sds w/wings acq coating b18.6.44,850
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THRDFASTMSSelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain#14 x 3 1/2#14x3 1/2 410 ss hwh #3 point b18.6.473
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Valley NuWASelf-Tapping Self-Drilling Screw (Tek etc.)SteelZinc/Black1/4-14 x 3 1/2#3 pnt hwh const self drilling zb392
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LightningLASelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain#1/4-14 x 3 1/2#1/4-14x3-1/2 hex washer tek 410 ss25
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LightningLASelf-Tapping Self-Drilling Screw (Tek etc.)400 Stainless (405, 410,416,420,430 etc.)Plain#1/4-14 x 3 1/2#1/4-14x3-1/2 hex washer tek 410 ss drill point 410 ss 3/8 hex size25
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