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SEMS Machine Screws (ANSI ASME B18. 13)

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

74 Sems Machine Screw (ansi b18.13), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCASems Machine ScrewSteelZinc/Clear#10-32 x 110-32 x 1 p-pan sem ext wsh m/s stl znc b18.131000
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/810-32 x 3/8 p-pan sem int wsh m/s s/s b18.131138
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AbabaCASems Machine ScrewSteelBlack Oxide#10-32 x 3/810-32 x 3/8 p-pan sems int wsh m/s stl blk ox wax b18.134285
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AbabaCASems Machine ScrewSteelZinc/Clear#10-32 x 3/810-32 x 3/8 p-pan int sem ext wsh m/s stl znc b18.131000
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AbabaCASems Machine ScrewSteelZinc/Clear#10-32 x 3/810-32 x 3/8 p-pan sems int wsh m/s stl znc b18.133400
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AbabaCASems Machine ScrewSteelZinc/Clear#10-32 x 3/810-32 x 3/8 ind hex sems ext wsh m/s stl znc b18.132100
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/210-32 x 1/2 p-pan sem int wsh m/s s/s b18.133081
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/210-32 x 1/2 p-pan sem sqr-cn s/s b18.132335
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AbabaCASems Machine ScrewSteelBlack Oxide#10-32 x 1/210-32 x 1/2 p-pan sems int wsh m/s stl blk ox wax b18.134000
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AbabaCASems Machine ScrewSteelZinc/Clear#10-32 x 1/210-32 x 1/2 p-pan sems int wsh m/s stl znc b18.1310348
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AbabaCASems Machine ScrewSteelZinc/Clear#10-32 x 5/810-32 x 5/8 p-pan sems int wsh m/s stl znc b18.134370
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AbabaCASems Machine ScrewSteelZinc/Clear#10-32 x 3/410-32 x 3/4 p-pan int sem stl znc b18.132777
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AbabaCASems Machine ScrewSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 p-pan sem int wsh m/s steel znc b18.13200
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/81/4-20 x 5/8 p-pan sem int wsh m/s s/s b18.13203
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AbabaCASems Machine ScrewSteelZinc/Clear1/4-20 x 7/81/4-20 x 7/8 p-rnd sems special stl znc b18.131000
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-pan sem int wsh m/s s/s b18.131700
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 14-40 x 1 p-pan sem int wsh m/s s/s b18.131047
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/164-40 x 3/16 p-pan sems int wsh m/s s/s b18.133000
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AbabaCASems Machine ScrewSteelZinc/Clear#4-40 x 3/164-40 x 3/16 p-pan sems int wsh m/s stl znc b18.132800
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AbabaCASems Machine ScrewSteelZinc/Clear#4-40 x 3/164-40 x 3/16 p-pan sem square cone stl znc b18.13800
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SIIINSems Machine ScrewSteelZinc/Clear#8 x 1 1/8#8x1-1/8 phillips round washer 1/2 head deep thread zinc plated b18.137500
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SIIINSems Machine ScrewSteelZinc/Clear#8 x 1/2screw rnd washr head #8 x 1/2 coarse znc b18.13508060
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SIIINSems Machine ScrewSteelPhosphate#8 x 1 3/4#8 x 1-3/4 phil round washer deep thread black phos / 6000 per box b18.13140300
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QFCTXSems Machine ScrewSteelPlain#8 x 1/28x1/2 phil round washer head tapping b18.13300
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QFCTXSems Machine ScrewSteelZinc/Clear#8 x 3/48x3/4 phil round wash hd needle pt zc b18.134700
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QFCTXSems Machine ScrewSteelZinc/Clear#8 x 3/48x3/4 phil round wash hd needle pt zc b18.13200
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QFCTXSems Machine ScrewSteelZinc/Clear#8 x 1 1/48x1 1/4 phil round wash tapping zinc b18.1314500
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QFCTXSems Machine ScrewSteelZinc/Clear#8 x 1 1/48x1 1/4 phil round wash tapping zinc b18.13200
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-24 x 5/1610-24x5/16 slotted ind hex hd w/external tooth washer sems zinc (96 hrs sst white rust) rohs b18.135000
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QFCTXSems Machine ScrewSteelPlain#10-32 x 110-32x1 pan phil sq cone sems b18.1395
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 110-32x1 pan phil sq cone sems 18-8 s/s b18.131000
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QFCTXSems Machine ScrewSteelZinc/Clear#10-32 x 110-32x1 phil pan ext sem screw zinc b18.132367
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QFCTXSems Machine ScrewSteelPlain#10-32 x 110-32x1 pan phillips split lock sems b18.134998
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-32 x 1/4#10-32x1/4 pan head phillips m/s internal tooth l/w sems zinc (96 hrs sst white rust) rohs b18.1335430
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QFCTXSems Machine ScrewSteelZinc/Clear#10-32 x 5/1610-32x5/16 phillips pan head machine screw and external tooth lock washer assembly (sems) zinc plated (96 hrs salt spray test white rust) rohs b18.1365891
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QFCTXSems Machine ScrewSteelPlain#10-32 x 5/1610-32x5/16 phil pan ext sem screw b18.131989
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QFCTXSems Machine ScrewSteelPlain#10-32 x 5/1610-32x5/16 phil pan ext sem screw b18.13775
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-32 x 5/16#10-32x5/16 phillips pan steel machine screw and spring lock washer sem zinc (96 hrs sst white rust) rohs b18.13372113
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QFCTXSems Machine ScrewSteelZinc/Clear#10-32 x 5/16#10-32x5/16 round head helical springwasher sems m/s zinc (96 hrs salt spray test for white rust) rohs b18.139930
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QFCTXSems Machine ScrewSteelPlain#10-32 x 3/810-32x3/8 hex slotted square cone sems tz b18.13109783
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QFCTXSems Machine ScrewSteelPlain#10-32 x 3/810-32x3/8 pan phil sq cone sems b18.13944
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QFCTXSems Machine ScrewSteelZinc/Clear#10-32 x 3/8#10-32x3/8 phillips pan head sems screw square cone washer trivalent zinc b18.13285
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/810-32x3/8 pan phil sq cone sems 18-8 b18.132240
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B & K FASTPASems Machine ScrewSteelZinc/Clear1/4-20 x 5/81/4-20 x 5/8 phil round machine screws w/lw zinc b18.13343
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B & K FASTPASems Machine ScrewSteelZinc/Clear1/4-20 x 3/41/4-20 x 3/4 phil round washered m/s zinc b18.13603
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B & K FASTPASems Machine ScrewSteelZinc/Clear#6-32 x 3/86/32 x 3/8 phil pan sems machine screw internal tooth zinc b18.13450
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B & K FASTPASems Machine ScrewSteelChrome Plated#8 x 3/4#8 x 3/4 phil oval washer s m s chrome b18.13200
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