Door Closers
Power sizing, ANSI/BHMA A156.4 grades versus EN 1154 classes, fire-door listing evidence, ADA opening-force limits, tariff classification, and the documents to request from a supplier.
Read the guide →Architectural Hardware & Fasteners
Buying guides for hardware categories most frequently sourced from Chinese suppliers — door hardware, cabinet hardware, and fasteners. Each guide covers what to specify, which questions to ask, and what documentation to request, with any claims about standards and grades verified before publication.
Every guide is dated and sourced. Every guide below is dated and names the official or standards-body source behind each figure.
Door Hardware
Hinges, handles, locksets, closers, and related architectural door items: specification inputs, finish matching, and the performance questions to raise with suppliers.
Read the guide →Cabinet Hardware
Hinges, knobs, pulls, catches, drawer slides and cabinet locks: materials and finishes, ANSI/BHMA A156.9 and EN 15570 / EN 15338, corrosion-test evidence, and the spec sheet that prevents disputes.
Read the guide →Fasteners
Screws, bolts, nuts, washers, and anchors: how naming and grading systems map across markets, and how to verify material and coating claims.
Read the guide →The standards question. Depending on your market, project specifications may reference US-developed standards such as ASTM, ask for CE-marked products within the European Economic Area, or require safety-related marks. We will explain what these references typically mean for hardware buyers — without substituting for a qualified compliance review.
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