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1/4 Machine Screws

Machine Screws are uniformly threaded screws which are designed to be screwed into pre-drilled, pre-threaded holes, or in conjunction with a nut, usually with a diameter less than 1/4inch. Larger diameter machine screws with a hex head are usually referred to as machine bolts.

199,663 Machine Screw, showing 200, (click on any line for more information)

Search Results Sponsored by ISSCO, Inc., your source for Machine Screws. For more results, visit   isscoinc.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
ISSCOMOMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1slotted truss 18-8715
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ISSCOMOMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1 1/4phillips pan 18-8940
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ISSCOMOMachine ScrewSteelZinc/Clear1/4-28 x 2slotted flat8200
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ISSCOMOMachine ScrewSteelZinc/Clear1/4-28 x 1/2slotted flat8800
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 1 1/21/4-20x1-1/2 slotted pan head machine screw trivalent clear zinc1850
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 31/4-20x3 slotted pan head machine screw zinc1695
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 1 3/81/4-20x1-3/8 phillips flat head machine screw trivalent clear zinc1500
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Fluoropolymer-Based (Xylan, Fluorokote, Teflon)1/4-20 x 1/21/4-20x1/2 phil pan m/s 18-8ss teflon blk50
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 1 1/21/4-20x1-1/2 phillips truss head machine screw zinc900
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EndriesWIMachine ScrewSteelZinc/Yellow1/4-20 x 11/4-20x1 6-lobe truss head machine screw yellow zinc830
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EndriesWIMachine ScrewSteelZinc/Black1/4-20 x 1 1/41/4-20x1-1/4 phillips flat head machine screw black zinc649
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 1/21/4-20x1/2 slotted truss head machine screw trivalent clear zinc205
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20x1 18-8 s/s steel slotted flat head machine screw79
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 7/161/4-20x7/16 18-8 s/s steel phillips flat undercut head machine screw483
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 3/41/4-20x3/4 slotted flat head machine screw trivalent clear zinc16
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EndriesWIMachine ScrewSteelPlain1/4-20 x 11/4-20x1 knock off 5/8 full thread military specification stud per print ms-4097
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 2 1/41/4-20x2-1/4 phillips pan head machine screw zinc700
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EndriesWIMachine ScrewBrassPlain1/4-28 x 1/21/4-28x1/2 brass phillips pan head machine screw1300
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/81/4-20x5/8 18-8 s/s steel slotted binding head machine screw575
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20x1 slotted hex washer head machine screw trivalent clear zinc745
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 3/41/4-20x3/4 slotted truss head machine screw zinc1800
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/21/4-20x3-1/2 18-8 s/s steel phillips truss head machine screw100
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EndriesWIMachine ScrewBrassPlain1/4-20 x 5/81/4-20x5/8 brass slotted round head machine screw184
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EndriesWIMachine ScrewGrade 5Zinc/Black1/4-20 x 11/4-20x1 grade 5 6-lobe truss head machine screw hex chrome free zinc flake black 720 hours to red rust5500
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BoltCraftNEMachine ScrewSteelZinc/Clear1/4-20 x 3/81/4-20 x 3/8 truss phillips head machine screw zinc1000
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20 x 1 1/2 ss phi pan ms4
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20 x 2 ss phi pan ms67
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 ss phi pan ms9083
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 ss phi pan ms258
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20 x 3/4 ss phi pan ms688
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 ss phi pan ms220
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 ss phi fhms5517
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20 x 1 1/2 ss phi fhms250
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 ss phi fhms537
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20 x 2 ss phi fhms271
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20 x 2 1/2 ss phi fhms231
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20 x 3/4 ss phi fhms129
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/81/4-20 x 3/8 ss slotted rhms2456
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20 x 1 1/2 ss slotted rhms127
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 ss slotted rhms149
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 ss slotted rhms66
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20 x 2 ss slotted rhms87
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20 x 2 1/2 ss slotted rhms48
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20 x 3/4 ss slotted rhms53
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 ss slotted rhms100
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LibertyILMachine ScrewSteelZinc/Clear1/4-20 x 1phil flat 100 rohs2,001
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LibertyILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3phillips pan 18-8ss80
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LibertyILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/2phil pan 18-8 s/s1,250
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LibertyILMachine ScrewSteelZinc/Clear1/4-20 x 5/8phillips hex washer with serrations2,600
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LibertyILMachine ScrewSteelZinc/Clear1/4-20 x 1/2phillips hex washer serrated1,600
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LibertyILMachine ScrewBrassPlain1/4-20 x 1 1/4slotted flat50
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LibertyILMachine ScrewBrassPlain1/4-20 x 3/4slotted round50
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LibertyILMachine ScrewBrassPlain1/4-20 x 1/2slotted round50
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LibertyILMachine ScrewAluminumPlain1/4-20 x 7/8special trimmed hex per print 6061-t6287
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EndriesWIMachine ScrewGrade 5Zinc/Clear1/4-20 x 11/4-20x1 hex flange m/s w/serr grade 5 znc1496
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20x1 phillips truss head machine screw hex chromium free 96 hr salt spray zinc270
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20x3 18-8 s/s steel phillips truss head full thread machine screw with round profile100
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20x3 18-8 s/s steel phillips flat head machine screw full thread400
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 5/81/4-20x5/8 phillips flat head machine screw zinc1500
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EndriesWIMachine ScrewSteelBlack Oxide1/4-20 x 7/81/4-20x7/8 phillips truss head machine screw chemical black oxide126
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EndriesWIMachine ScrewSteelZinc/Yellow1/4-20 x 3 1/21/4-20x3-1/2 slotted round head machine screw .0005 minimum yellow zinc180
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20x3/4 18-8 s/s steel slotted pan head machine screw2515
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EndriesWIMachine ScrewSteelZinc/Black1/4-20 x 5/81/4-20x5/8 slotted hex head machine screw black zinc2731
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 1/41/4-20x1/4 size 30 torx driver torx-licensed pan head machine screw trivalent clear zinc3000
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20x1 18-8 s/s steel phillips oval head machine screw2000
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 61/4-20x6 slotted round head machine screw trivalent clear zinc550
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 3/41/4-20x3/4 slotted pan head machine screw zinc2100
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 11/4-28x1 slotted fillister head m/s 18-8 ssmust meet 90 000/psi min126670
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EndriesWIMachine ScrewSteelZinc/Black1/4-20 x 1 1/41/4-20x1-1/4 phillips pan head machine screw black zinc5700
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 31/4-20x3 phillips flat head machine screw trivalent clear zinc25
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EndriesWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20x2 18-8 s/s steel phillips truss head machine screw100
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 5/81/4-20x5/8 phillips undercut flat head machine screw zinc300
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20x1 slotted pan head machine screw zinc4560
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EndriesWIMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20x1 slotted round m/s stl znc1500
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20 x 2 1/2 ss phi pan ms63
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NutsBoltsNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 ss phi fhms175
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ManscoMIMachine ScrewSteelZinc/Clear1/4-20 x 1/2indented hex unslotted m/s znc6000
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ManscoMIMachine ScrewSteelNickel Plated1/4-20 x 1truss phil m/s plate1000
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ManscoMIMachine ScrewBrassPlain1/4-20 x 1pan phil m/s 50/box150
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ManscoMIMachine ScrewBrassPlain1/4-20 x 3/4pan phil m/s 50/box150
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ManscoMIMachine ScrewSteelZinc/Yellow1/4-28 x 3pan phil m/s znc yellow6000
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GlobalCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1/4-20 x 2 1/2slotted fillister 18-8 ss passivate passivate532
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MTPCAMachine ScrewSteelZinc/Clear1/4-20 x 21/4-20x2 zinc phil truss machine screwstock
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BoltCraftNEMachine ScrewSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 flat phillips head machine screw zinc 4000/ctn2990
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BoltCraftNEMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 pan phillips head machine screw gr 18.8 stainless steel-100/bx.100
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BoltCraftNEMachine ScrewSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 truss phillips head machine screw zinc 4000/ctn4000
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SpencerOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/81/4-20 X 5/8 S/S 18-8 PAN PHIL M/S WITH PATCH49887
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BoltCraftNEMachine ScrewSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 flat phillips 100 degree machine screw fully threaded zinc2,100
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BoltCraftNEMachine ScrewSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 pan phillips head machine screw zinc 3500/ctninquire
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BoltCraftNEMachine ScrewSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 serrated truss slotted head machine screw zinc 100/bxinquire
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BoltCraftNEMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20 x 1 hex washer slotted head machine screw type-23 thread cutter zincinquire
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