Hardware and Home Improvement

Fix, seal, secure or lift: which aisle starts the job

This area splits by purpose. Fixing means fasteners and general hardware, sealing covers caulks, sealants and threadlockers, securing includes locks, keypads, safes and fence or gate fittings, and lifting gathers ladders, hoists, chain and rope. Measuring and testing gear such as tape measures and gauges sits alongside. If the question is how to hold two things together, begin with screws, bolts and fasteners; if it is about the door, go to locks, deadbolts and keypads.

Ratings and thread sizes that do not forgive guessing

Three numbers recur across this department. Thread standard: metric sizes such as M6 and inch sizes such as 1/4-20 look alike but do not interchange. Working load limit: lifting, chain and rope gear is rated for the load it may carry in service, which is far below its breaking strength, and the weakest component sets the limit. Duty rating: ladders and shelving carry a stated user or load capacity that includes tools and materials.

Finish and environment come next. Zinc plating, galvanizing and stainless steel resist rust at different levels, so outdoor and damp locations call for the more resistant choices. Fasteners, hinges and brackets are listed by material and finish as well as size. Parts listed for a named model, such as a lock cylinder or a garage remote, are not universal, so check the model line before choosing.

Questions about Hardware and Home Improvement

Which sealant should I use around a sink or tub?

Use a silicone sealant labeled for kitchen and bath use, often with a mildew-resistant formula. Silicone stays flexible and waterproof, but it usually cannot be painted. Acrylic latex paints easily but copes less well with constant water, so save it for dry joints and trim.

How do I tell if a bolt is metric or inch?

Measure the thread's outer diameter with calipers and check the thread pitch with a gauge. Metric sizes are named by diameter and pitch in millimeters, such as M8 at 1.25, while inch sizes use fractions and threads per inch, such as 5/16-18. Never force a nut that binds, because a mismatched thread strips quickly.

Do safes list inside or outside dimensions?

Measure what you want to keep, then compare it with the inside dimensions or capacity in the listing, which can be much smaller than the outside because of thick walls. Check the lock type and whether it can be bolted to a floor or wall, since a light safe can simply be carried off.