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1/4 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.

13 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
YANKEENHSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-28 x 1/8socket jam1000
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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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ASMCILSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-20 x 1/8coarse locking jam81
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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.)Plain1/4-28 x 1/818-8 304 hex socket jaminquire
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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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DeltaTXSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-28soc jam screw alloy nf 1/4-28 (FINE THREAD)88
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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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FMPMASocket Jam Screw (Hollow Lock Screw)SteelBlack Oxide1/4-20 x 1/8socket jam/s600
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