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#1 Jam Screws, Hollow Lock Screws

Hex socket jam screws, sometimes called hollow lock screws, are used to tighten springs into tapped holes. The hex socket extends the length of the inside of the screw and allows for inspection of the locked part.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-24 x 1/8jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-24 x 1/8jam not hardenedinquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-32 x 1/8hex socket jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelBlack Oxide#10-32 x 1/8low carbon hex jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/818-8 304 hex socket jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelBlack Oxide1/4-28 x 1/8hex jam chamfer both ends41420
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-32 x 1/8jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/818-8 304 hollow lock jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1/818-8 304 hex socket jaminquire
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YANKEENHSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-28 x 1/8socket jam1000
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MFSKSSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-20 x 1/8jam set , b18.3169
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MFSKSSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-28 x 1/8jam set ,42
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OBRIENOHSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-32 x 1/8socket jam450
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ASMCILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-28 x 1/81/4-28x1/8 fine locking jam screw alloy pln25
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FMPMASocket Jam Screw (Hollow Lock Screw)SteelBlack Oxide1/4-20 x 1/8socket jam/s600
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ASMCILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-20 x 1/8coarse locking jam81
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LibertyILSocket Jam Screw (Hollow Lock Screw)SteelNickel#10-32 x 1/8hollow lock set plate plate2,500
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LibertyILSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-24 x 1/8hollow lock set s6,500
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BRIGHBESTILSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-32 x 1/810-32 x 1/8 soc set jam screw alloy stl4400
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BRIGHBESTILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-28 x 1/81/4-28 x 1/8 soc set jam screw alloy stl3300
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BRIGHBESTILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-20 x 1/81/4-20 x 1/8 soc set jam screw alloy stl6600
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AFIFLSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-24 x 1/810-24x1/8 soc jam screw st () ()2038
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Setko FasILSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-32 x 1/810-32x1/8 alloy hex socket jam screw108780
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Setko FasILSocket Jam Screw (Hollow Lock Screw)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/810-32x1/8 stainless steel hex socket jam screw dfars2043
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelBlack Oxide1/2-13 x 1/4hex socket jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 1/41/2-20 x 1/4 18-8 stainless steel hex socket jam screw per print r99-14inquire
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ASMCILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/2-13 x 1/4coarse locking jam146
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KomarARSocket Jam Screw (Hollow Lock Screw)SteelPlain1/2-13 x 1/4 socket hollow lock jam screw90
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LibertyILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/2-13 x 1/4socket jam50
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Setko FasILSocket Jam Screw (Hollow Lock Screw)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 1/41/2-20x1/4 stainless steel hex socket jam screw dfars384
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Setko FasILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/2-20 x 1/41/2-20x1/4 alloy hex socket jam screw dfars2027
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OlanderCASocket Jam Screw (Hollow Lock Screw)SteelPlain1/2-13 x 1/41/2-13 x 1/4 soc jam scr alloy () ()23
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelPlain1 1/4-12 x 1/2hex socket jaminquire
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Set ScrewILSocket Jam Screw (Hollow Lock Screw)SteelPlain1-14 x 1/2hex socket jaminquire
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FasSpcMfgFLSocket Jam Screw (Hollow Lock Screw)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-12 x 1/2socket set-jam thru broach 18-8 s/s13
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UNEEDANJSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-24 x 1 1/410-24x1-1/4 jamb adjusting | screw assembled sets500
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CIFILSocket Jam Screw (Hollow Lock Screw)Grade 2Plain1 3/4-51 3/4-5 heavy hex slotted jam nut grade 2 l.h. thread plain (39) (39) (39) ()39
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CIFILSocket Jam Screw (Hollow Lock Screw)Grade 2Plain1 3/4-51 3/4-5 heavy hex slotted jam nut r/h grade 2 plain (2218) (2218) (2218) ()2218
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DeltaTXSocket Jam Screw (Hollow Lock Screw)SteelPlain#10-32soc jam screw alloy nf 10-32109
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DeltaTXSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-28soc jam screw alloy nf 1/4-28 (FINE THREAD)88
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DeltaTXSocket Jam Screw (Hollow Lock Screw)SteelPlain1/2-20soc jam screw alloy nf 1/2-2047
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