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1/4-28 SEMS Machine Screws

SEMS® Machine Screws are machine screws with pre-assembled captive washers, designed to speed total assembly time in a manufacturing process.

12 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AmericanNYSems Machine ScrewSteelCadmium/Yellow1/4-28 x 5/16hex internal sems cad yellow400
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AmericanNYSems Machine ScrewSteelPlain1/4-28 x 5/16hex internal sems2000
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear1/4-28 x 7/161/4-28x7/16 slotted hex head screw with conical washer sems zinc (96hrs sst white rust) rohs b18.132100
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AmericanNYSems Machine ScrewSteelCadmium1/4-28 x 1/2phillips pan split sems cad pl100
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Kanebridge ILSems Machine ScrewSteelZinc/Clear1/4-28 x 1/21/4-28x1/2 phillips pan external sems machine screw fully threaded zinc and bake75,000
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Mid-ValleyCASems Machine ScrewSteelZinc/Clear1/4-28 x 5/8sems tapping screw b18.13inquire
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Kanebridge ILSems Machine ScrewSteelZinc/Clear1/4-28 x 5/81/4-28x5/8 phillips pan external sems machine screw fully threaded zinc and bake25,000
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LibertyILSems Machine ScrewSteelPlain1/4-28 x 5/8phil round split sems sems1,680
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AmericanNYSems Machine ScrewSteelZinc/Clear1/4-28 x 3/4hex external sems zp5600
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Kanebridge ILSems Machine ScrewSteelZinc/Clear1/4-28 x 3/41/4-28x3/4 phillips pan external sems machine screw fully threaded zinc and bake25,000
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AmericanNYSems Machine ScrewSteelCadmium1/4-28 x 7/8phil round ext sems cad300
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AmericanNYSems Machine ScrewSteelCadmium1/4-28 x 7/8phillips round ext sems cad2500
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