Knowledge Base

How to choose a drill guide: SF or threaded bushing, egg cup or mini housing, plastic or aluminum footpiece, with tables matching guides to bushings.

Drill bars, the snatch block or steam boat, explained: slip fit and threaded bushings, single, double and swivel heads, and which bushing goes in.

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.