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#4 U-Drive Screws (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.

23 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 1/4#4x1/4 udrive screw steel zinc b18.6.4900
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GLFOHSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 3/16#4x3/16 round type-u drive screw stl zc b18.6.4 () () ()1150
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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 () () ()329
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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)SteelZinc/Clear#4 x 3/8#4x3/8 round type-u drive screw stl zc b18.6.4 () () ()18140
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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 () () ()9285
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GLFOHSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 5/16#4x5/16 round type-u drive screw stl zc b18.6.4 () () ()7789
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Irwin IndOntSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 3/84 x 3/8 round hd u drive screw steel zinc b18.6.41350
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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#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)316, 317, A4 StainlessPassivated#4 x 1/4screw round headstainless steel 316 passivated#4 x 1/4 in metallic drive type-u b18.6.43990
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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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B & K FASTPASelf-Tapping Drive Screw (type u)SteelBlack Oxide#4 x 1/4#4 x 1/4 round hd u drive screws black oxide b18.6.4145200
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BHAMALSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 1/4#4x1/4 round u-drive screw zn b18.6.41295
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Bostwick INSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 1/2#4 x 1/2 u drive screw zinc b18.6.44
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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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WurthOntSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 3/16scr drive u round st (zn) 4x3/16 b18.6.41000
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JET FITTINGCASelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 1/2drive screw round u #4x1/2 steel zinc plated b18.6.41088
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THRDFASTFLSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 1/4round t-u drive b18.6.47,349
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THRDFASTFLSelf-Tapping Drive Screw (type u)SteelZinc/Clear#4 x 3/8round t-u drive b18.6.43,284
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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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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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