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SEMS Machine Screws, Zinc/Clear (ASME B18. 13)

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

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Irwin IndOntSems Machine ScrewSteelZinc/Clear#6-32 x 3/86-32 x 3/8 pan phil dual wshr sems m/s steel zinc triv clear b18.138000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#4-40 x 3/164-40 x 3/16 pan phil ext sems m/s trivalent zinc clear b18.133000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#4-40 x 3/84-40 x 3/8 pan phil ext sems m/s zinc trivalent clear b18.132000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#4-40 x 1/44-40 x 1/4 pan phil ext sems m/s zinc trivalent clear b18.1320550
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#6-32 x 5/86-32 x 5/8 slotted hex hd. sq cone sems m/s trivalent zinc b18.132800
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 3/168-32 x 3/16 pan phil machine screw ext tooth l/w sems zinc b18.1322205
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#6-32 x 1/46-32 x 1/4 pan phillips ext sems m/s steel zinc triv clear b18.13 121302
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#10-32 x 5/1610-32 x 5/16 pan phil machine screw ext tooth l/w sems zinc b18.131580
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 3/88-32 x 3/8 pan pozi ext sems m/s-zinctrivelantclear b18.132000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#4-40 x 5/164-40 x 5/16 phil pan int sems m/s zinc b18.1370700
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#2-56 x 3/162-56 x 3/16 pan phil int sems steel m/s zinc trivalent clear b18.139000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#10-32 x 1/210-32 x 1/2 pan phil ext sems m/screw zinc trivalent clear b18.13990
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#4-40 x 1/44-40 x 1/4 pan phillips int sems m/s steel zinc triv clear b18.139000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#4-40 x 3/164-40 x 3/16 pan phil int sems m/s zinc trivalent clear b18.131450
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#6-32 x 1/46-32 x 1/4 pan phil int. sems m/s zinc trivalent clear b18.134800
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#6-32 x 7/166-32 x 7/16 pan phil int sems steel m/s zinc trivalent clear b18.1310000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#4-40 x 3/84-40 x 3/8 pan phil int sems m/sc zinc trivalent clear b18.1333000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 1/28-32 x 1/2 pan phil int sems m/s steel zinc trivalent clear b18.131000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#10-32 x 5/1610-32 x 5/16 pan phil int sems m/s-zinc b18.134000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#6-32 x 3/46-32 x 3/4 pan phil int. sems m/s zinc b18.1320360
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GLFOHSems Machine ScrewSteelZinc/Clear#6-32 x 1/2#6-32x1/2 phil pan hd sems internal l/w stl zc b18.13 () () ()2863
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GLFOHSems Machine ScrewSteelZinc/Clear#6-32 x 1/4#6-32x1/4 phil pan hd sems internal l/w stl zc b18.13 () () ()986
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GLFOHSems Machine ScrewSteelZinc/Clear#6-32 x 1 1/2#6-32x1-1/2 phil pan hd sems internal l/w stl zc b18.13 () () ()599
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GLFOHSems Machine ScrewSteelZinc/Clear#8-32 x 1/2#8-32x1/2 phil pan hd sems internal l/w stl zc b18.13 () () ()580
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GLFOHSems Machine ScrewSteelZinc/Clear#6-32 x 3/4#6-32x3/4 phil pan hd sems internal l/w stl zc b18.13 () () ()2551
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GLFOHSems Machine ScrewSteelZinc/Clear#6-32 x 3/8#6-32x3/8 hwh sems ext l/w stl zc b18.13 () () ()6990
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GLFOHSems Machine ScrewSteelZinc/Clear#8-32 x 1/2#8-32x1/2 phil pan hd sems external l/w stl zc b18.13 () () ()3330
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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 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 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 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 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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AbabaCASems Machine ScrewSteelZinc/Clear#4-40 x 1/44-40 x 1/4 p-pan sems int wsh m/s stl znc b18.132180
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AbabaCASems Machine ScrewSteelZinc/Clear#4-40 x 3/84-40 x 3/8 p-pan sems ext wsh m/s stl znc b18.131400
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AbabaCASems Machine ScrewSteelZinc/Clear#4-40 x 1/24-40 x 1/2 p-pan sems ext wsh m/s stl znc b18.13700
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AbabaCASems Machine ScrewSteelZinc/Clear#4-40 x 5/84-40 x 5/8 p-pan int sem stl znc b18.132069
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AbabaCASems Machine ScrewSteelZinc/Clear#6-32 x 1/46-32 x 1/4 p-pan sems ext wsh m/s stl znc b18.132266
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AbabaCASems Machine ScrewSteelZinc/Clear#6-32 x 1/46-32 x 1/4 p-pan int sem stl znc b18.13800
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AbabaCASems Machine ScrewSteelZinc/Clear#6-32 x 5/166-32 x 5/16 p-pan sem ext wsh m/s stl znc b18.1310
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AbabaCASems Machine ScrewSteelZinc/Clear#6-32 x 3/86-32 x 3/8 p-pan sems ext wsh m/s stl znc b18.131100
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AbabaCASems Machine ScrewSteelZinc/Clear#6-32 x 3/86-32 x 3/8 p-pan sems int wsh m/s stl znc b18.1311380
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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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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 ScrewSteelZinc/Clear#10-32 x 110-32x1 phil pan ext sem screw zinc b18.132367
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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 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 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.)Zinc/Clear#10-32 x 3/8#10-32x3/8 phillips pan m/s and spring lock washer sems zinc (96 hrs sst white rust) rohs b18.13300040
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-32 x 3/8#10-32x3/8 pan head slotted m/s external tooth l/w sems zinc (96 hrs sst white rust) rohs b18.1320801
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QFCTXSems Machine ScrewSteelZinc/Clear#10-32 x 7/1610-32x7/16 slotted round steel machine screw and helical spring lock washer sem zinc (96 hrs salt spray test white rust) b18.1322150
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QFCTXSems Machine ScrewSteelZinc/Clear#10-32 x 1/210-32x1/2 hh slotted square cone sems zinc b18.137600
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-32 x 1/2#10-32x1/2 round head slotted m/s with helical spring l/w sems zinc (96 hrs sst white rust) rohs b18.1373800
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-32 x 5/8#10-32x5/8 pan head phillips m/s with spring l/w sems zinc (96hrs sst white rust) rohs b18.13162725
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QFCTXSems Machine ScrewSteelZinc/Clear#10-32 x 5/810/32x5/8 slotted pan head machine screw and helical spring lock washer assembly (sems) zinc plated (96 hrs salt spray test white rust) rohs b18.1315000
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-32 x 3/4#10-32x3/4 pan head phillips m/s internal tooth l/w sems zinc (96 hrs sst white rust) rohs b18.1321500
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#10-32 x 7/8#10-32x7/8 slotted round steel machine screw and helical spring lock washer sem zinc (96 hrs sst white rust) b18.1340260
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CascadeORSems Machine ScrewSteelZinc/Clear#4-40 x 1/4pan phillips extern sems b18.1323100
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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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JET FITTINGCASems Machine ScrewSteelZinc/Clear#10-32 x 3/4sems m/s s cone slotted ind hex 1032x3/4 steel zinc b18.131500
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JET FITTINGCASems Machine ScrewSteelZinc/Clear3/8-16 x 5/8sems m/s ext hex ind 3/816x5/8 steel zinc plated b18.13443
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 1/2sems m/s s cone hex slind 632x1/2 steel zinc plated b18.1321000
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#10-32 x 1/4sem int pan phillips1032x1/4 steel zinc plated b18.13600
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#10-32 x 1/4sem ext pan phillips 1032x1/4 steel zinc plated b18.13100
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#10-32 x 1/2sem ext pan phillips 1032x1/2 steel zinc plated b18.131952
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 1/4sem int pan phillips 632x1/4 steel zinc plated b18.138697
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 1/4sem ext pan phillips 632x1/4 steel zinc plated b18.132280
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 5/16sem ext pan phillips 632x5/16 steel zinc plated b18.131000
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 3/8sem ext pan phillips 632x3/8 steel zinc plated b18.13200
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 3/8sem s cone pan phillips 632x3/8 steel zinc plated b18.13180
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 3/8sem s cone pan phillips 632x3/8 steel zinc plated b18.13500
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#6-32 x 3/4sem ext pan phillips 632x3/4 steel zinc plated b18.131700
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8 x 1/2dws round washer phillips #8x1/2 steel zinc plated b18.132675
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 1/4sem int pan phillips 832x1/4 steel zinc plated b18.132650
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 1/4sem ext pan phillips 832x1/4 steel zinc plated b18.133500
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 5/16sem ext pan phillips 832x5/16 steel zinc plated b18.131960
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 3/8sems internal tooth pan phillips 8-32x3/8 steel zinc plated b18.13900
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 3/4sem ext pan phillips 832x3/4 steel zinc plated b18.135000
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JET FITTINGCASems Machine ScrewSteelZinc/Clear1/4-20 x 3/8sem external pan phillips 1/4-20x3/8 steel zinc plated b18.13975
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