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U-Drive Screws, Plain (ASME B18. 6.4)

Type U Drive Screws are round head unslotted self-tapping screws with multiple start threads and a blunt pilot point. These screws require a pre-drilled hole and may be hammered rather than screwed, and so can be tamper-resistant.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCASelf-Tapping Drive Screw (type u)Nylon (Polyamide)Plain#10#10 scw nyl type-u retainer b18.6.42
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GLFOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 1/2#8x1/2 round type-u drive screw 18-8 s/s b18.6.4 () () ()125
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GLFOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4 x 5/16#4x5/16 round type-u drive screw 18-8 s/s b18.6.4 () () ()496
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GLFOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4 x 1/4#4x1/4 round type-u drive screw 18-8 s/s b18.6.4 () () ()730
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GLFOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 3/8#10x3/8 round type-u drive screw 18-8 s/s b18.6.4 () () ()4580
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GLFOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 1/4#10x1/4 round type-u drive screw 18-8 s/s b18.6.4 () () ()656
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GLFOHSelf-Tapping Drive Screw (type u)SteelPlain#00 x 1/8drive screw MS21318-1 b18.6.4 () () ()2390
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GLFOHSelf-Tapping Drive Screw (type u)SteelPlain#2 x 1/4#2x1/4 steel round/type-u drive/screw cad ii MS21318-15 b18.6.4 () () ()1390
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GLFOHSelf-Tapping Drive Screw (type u)SteelPlain#6 x 1/4#6 x 1/4 u drive screw stl cad yel MS21318-27 b18.6.4 () () ()117
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GLFOHSelf-Tapping Drive Screw (type u)SteelPlain#4 x 5/16#4 x 5/16 round type-u drive screw stl zc MS21318-22 b18.6.4 () () ()1013
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GLFOHSelf-Tapping Drive Screw (type u)SteelPlain#2 x 3/16#2x3/16 steel round/type-u drive/screw cad 1 MS21318-14 b18.6.4 () () ()480
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GLFOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0 x 1/4#0x1/4 round type-u drive screw 18-8 s/s b18.6.4 () () ()940
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GLFOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0 x 1/8#0x1/8 round type-u drive screw 18-8 s/s dfars b18.6.4 () () ()22060
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Irwin IndOntSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain2 x 1/82 x 1/8 rnd hd u drive screw 18.8 s/s pt lth .047 +/-.005 b18.6.431
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Irwin IndOntSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain2 x 3/162x3/16 round u drive screw 18-8 304 steel b18.6.4500
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AbabaCASelf-Tapping Drive Screw (type u)Nylon (Polyamide)Plain#10#10 scw nyl type-u retainer b18.6.41
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Alma BoltMISelf-Tapping Drive Screw (type u)SteelPlain#4 x 3/16#4 x 3/16 round head drive screw u type-b18.6.4439
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EximS'poreSelf-Tapping Drive Screw (type u)SteelPlain#6-320.410 x 0.280fasteners type-u #6-320.410 x 0.280 in b18.6.410
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EximS'poreSelf-Tapping Drive Screw (type u)SteelPlain#8-320.780 x 01/2fasteners type-u #8-320.780 x 0.500 in b18.6.413
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EximS'poreSelf-Tapping Drive Screw (type u)SteelPlain0.500fasteners type-ulg 0.500 in b18.6.427
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EximS'poreSelf-Tapping Drive Screw (type u)SteelPlain#4-400.400 x 01/4fasteners type-u #4-400.400 x 0.250 in b18.6.455
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EximS'poreSelf-Tapping Drive Screw (type u)Nylon (Polyamide)Plainscrewbinder head comb drive nylon natural#6-32 x 3/8 in mfr p/n 010632cd037 b18.6.4489
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EximS'poreSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plainscrews flat head hex drive s/s 18-8thread locking with nylon patchmcmaster pn 92805a37 legacy pn 102509350 b18.6.470
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JET FITTINGCASelf-Tapping Drive Screw (type u)SteelPlain#00 x 3/16ms21318-2 screw MS21318-2 b18.6.4800
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StandardMASelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 18x1 square drive bugle screw 18-8 stainless steel b18.6.438000
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StandardMASelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 2 1/48x2-1/4 square drive bugle screw 18-8 stainless steel b18.6.426179
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#8 x 1 5/88x1-5/8 square drive bugle screw 316 stainless steel b18.6.429600
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StandardMASelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x 1 5/86x1-5/8 square drive bugle screw 18-8 stainless steel b18.6.442400
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#6 x 1 1/46x1-1/4 square drive bugle screw 316 stainless steel b18.6.411100
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#10 x 210x2 square drive bugle screw 316 stainless steel b18.6.49500
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StandardMASelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 514x5 square drive bugle screw 18-8 stainless steel b18.6.41652
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#6 x 1 5/86x1-5/8 square drive bugle screw 316 stainless steel b18.6.418400
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#8 x 38x3 square drive bugle screw 316 stainless steel b18.6.447
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#8 x 1 1/48x1-1/4 square drive bugle screw 316 stainless steel b18.6.417000
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StandardMASelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 2 1/214x2-1/2 square drive bugle screw 18-8 stainless steel b18.6.44907
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#8 x 2 1/48x2-1/4 square drive bugle screw 316 stainless steel b18.6.4inquire
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StandardMASelf-Tapping Drive Screw (type u)BrassPlain3/4 x 3/43/4x3/4 square drive key stock screw brass b18.6.48
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StandardMASelf-Tapping Drive Screw (type u)316, 317, A4 StainlessPlain#10 x 1 5/810x1-5/8 square drive bugle screw 316 stainless steel b18.6.4inquire
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StandardMASelf-Tapping Drive Screw (type u)BrassPlain7/87/8 square drive key stock screw brass b18.6.410
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StandardMASelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/85/8 square drive key stock screw 18-8 stainless steel b18.6.45
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StandardMASelf-Tapping Drive Screw (type u)BrassPlain5/85/8 square drive key stock screw brass b18.6.49
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StandardMASelf-Tapping Drive Screw (type u)BrassPlain11 square drive key stock screw brass b18.6.410
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StandardMASelf-Tapping Drive Screw (type u)BrassPlain1/8 x 1/81/8x1/8 square drive key stock screw brass b18.6.42
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StandardMASelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 28x2 square drive bugle screw 18-8 stainless steel b18.6.41612
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QFCTXSelf-Tapping Drive Screw (type u)SteelPlain#4 x 3/16#4x3/16 round type-u drive screw b18.6.4200
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QFCTXSelf-Tapping Drive Screw (type u)SteelPlainbuildex dec-u-drive tool b18.6.41
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QFCTXSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2 x 1/4#2x1/4 round head type-u drive screw stainless steel 18-8 b18.6.41545
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B & K FASTPASelf-Tapping Drive Screw (type u)SteelPlain#6 x 3/8#6 x 3/8 round hd u drive screws plain b18.6.481539
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General FMISelf-Tapping Drive Screw (type u)SteelPlainhf 2-8x.31 rd hd u drive scr trvlnt b18.6.419430
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OSSCORISelf-Tapping Drive Screw (type u)SteelPlain#6 x 1/4#6x1/4 round t-u drivescrew b18.6.4236
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OSSCORISelf-Tapping Drive Screw (type u)SteelPlain#6 x 5/8#6x5/8 round t-u drivescrew b18.6.45,930
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QFCTXSelf-Tapping Drive Screw (type u)SteelPlain#6 x 5/16#6x5/16 rd type-u drive screw b18.6.4240
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Bostwick INSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4 x 1/4#4 x 1/4 u drive screw 18-8 stainless b18.6.4958
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OBRIENOHSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 1/2round u-drive/hammer-drive 304 18-8 304 ansi b18.6.4400
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THRDFASTFLSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x 3/818-8 ss round t-u drive b18.6.4730
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THRDFASTFLSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 5/818-8 ss round t-u drive b18.6.4863
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THRDFASTFLSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 3/818-8 ss round t-u drive b18.6.47
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THRDFASTOKSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x 5/1618-8 ss round t-u drive b18.6.460
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THRDFASTOKSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2 x 3/1618-8 ss round t-u drive b18.6.440
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THRDFASTOKSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x 1/218-8 ss round t-u drive b18.6.41
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THRDFASTFLSelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4 x 3/818-8 ss round t-u drive b18.6.41,000
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WSBKYSelf-Tapping Drive Screw (type u)SteelPlain#4 x 0.228screw drive u rd st ni 4x0.228 b18.6.422,000
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MMFMISelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc. )Plain#14 x 5/814 x 5/8 stainless u-drive screw usa b18.6.41092
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MMFMISelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 5/814 x 5/8 stainless u-drive screw usa b18.6.41092
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MMFMISelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 5/814 x 5/8 stainless u-drive screw usa b18.6.41092
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MMFMISelf-Tapping Drive Screw (type u)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 5/814 x 5/8 stainless u-drive screw usa b18.6.41092
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All SizeTXSelf-Tapping Drive Screw (type u)SteelPlain#2 x 1/4#2 x 1/4 u drive screw b18.6.41
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All SizeTXSelf-Tapping Drive Screw (type u)SteelPlain#4 x 3/16#4 x 3/16 u drive screw b18.6.41
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All SizeTXSelf-Tapping Drive Screw (type u)SteelPlain#0 x 1/8#0 x 1/8 u drive screw b18.6.41
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All SizeTXSelf-Tapping Drive Screw (type u)SteelPlain#2 x 5/16#2 x 5/16 u drive screw b18.6.41
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