door hardware

Hex Head Screws: BT-S911 Size and Finish

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Reference Standard: Relevant material and performance testing standards; the available BT-S911 catalog record does not identify a specific standard. Hex head screws can look deceptively simple in a catalog, but accurate sourcing depends on separating what is explicitly listed from what a familiar screw name may seem to imply. For BT-S911, the catalog identifies the … Lire la suite

High Lift Garage Door Drums Messaging Brief

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High Lift Garage Door Drums Messaging Brief Reference Standard: Relevant door-system safety and performance logic can be cross-checked against DASMA technical resources for sectional door systems, while dimensional and visual inspection practices can be aligned with general manufacturing quality control methods such as ASTM material and test standards. The catalog data for this article identifies … Lire la suite