The honeycomb design provides a higher strength-to-weight ratio than solid sheets.

As a strong, lightweight, and buoyant alternative to solid panels, these aramid honeycomb cores are used to make interior wall panels and floor boards in marine, structural, and industrial applications.

Close these tubes with a cap on each end.

Because of their square shape, these tubes won't roll away. They can be stacked, and the flat surface is easier to label than a round surface.

These tubes have one sealed end and one end that closes with a cap.

These tubes are easier to label and stack than round tubes. To adjust the length, push the ends of the tube together or pull them apart.

Choose these lock cylinders if you need several lock cylinders that open with the same key.

Choose these lock cylinders if you need lock cylinders that each open with a different key.

Also known as rim lock cylinders, these are for use in locks that are mounted to the door's surface.

Designed to withstand vandalism better than other lock cylinders, these are for use in locks that are mortise mounted into a cutout in the door.

Choose these cylinders if you need cylinders that each open with a different key and also open with a master key.

These hollow bits cut with their outside edge for drilling holes larger than 1 1/2" in diameter.

Use these diamond-coated hollow bits for wet drilling of masonry, concrete, and rebar with a drilling rig.

These bits allow you to easily switch to another size by changing only the bit body. They are hollow and cut with their outside edge for drilling holes larger than 1 1/2" in diameter.

The SDS-Plus shank has two deep slots and two shallow slots for use with SDS-Plus-drive rotary hammers.

These hollow bits are diamond-tipped for long life and fast cutting speeds. Only for use in drill presses.

These pins have a flat head to fit into a counterbored hole.