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1/4-20 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.

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

Buy Jam Screws, Hollow Lock Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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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MFSKSSocket Jam Screw (Hollow Lock Screw)SteelPlain1/4-20 x 1/8jam set , b18.3169
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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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