Knowledge Base

How a microstop vacuum skirt pulls chips and FOD away while countersinking: window styles, footpiece materials and vacuum adapter options.

The WES396 microstop fits most aircraft seat tracks, and the WES596-ER extended reach skirts fit the rest. Compare diameters, lengths and cutter threads.

How to choose an egg cup bushing holder or mini drill guide: SF or threaded bushing, housing and footpiece, with tables matching guides to bushings.

Adjustable drill bars, the snatch block or pull bar, explained: how to pull a misaligned hole step by step, SF and threaded bushings, and which bar takes which.

Pancake drill attachments explained: the flat offset angle head that drills where the motor will not fit, with the WES900 models and their offsets.

How to choose a microstop countersink cage: cutter thread, capacity, foot material, skirt style and the series that fit each aircraft job.

How to stop a microstop countersink cage from marring aircraft skins: foot material, surface contact and the settings that protect the finish.

Why a made in USA countersink cage matters for aerospace work: material quality, traceability and the depth control a microstop has to hold.