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.

Jam Screws, Hollow Lock Screws Diameters

Jam Screws, Hollow Lock Screws are available on the FCH Network with Imperial/US diameters that range from #1 to 1 3/4 and with Metric diameters that range from M24 to M24. The length of Jam Screws, Hollow Lock Screws is usually measured from the point to the underside of the head.

Click on the diameters below to view or Search All Jam Screws, Hollow Lock Screws
Metric diameters
Jam Screws, Hollow Lock Screws Lengths

Jam Screws, Hollow Lock Screws are available on the FCH Network with lengths that range from 1/8 to 1 1/4.

Click on the lengths below to view or
Search All Jam Screws, Hollow Lock Screws
Metric lengths
    Jam Screws, Hollow Lock Screws Materials

    Jam Screws, Hollow Lock Screws are available on the FCH Network in materials that range from Steel to 300 Stainless (A1,A2, 18-8,304,310 etc.)

    Click on the materials below to view or Search All Jam Screws, Hollow Lock Screws
    Jam Screws, Hollow Lock Screws Finishes

    Jam Screws, Hollow Lock Screws are available on the FCH Network in finishes or coatings that range from Plain to Passivated

    Click on the finishes below to view or Search All Jam Screws, Hollow Lock Screws