Market metal locks material classification complicated style similar high degree of processing technology and diverse, and specifications vary, ordinary consumers are spoiled for choice . So how do you pick the lock on the door hardware , small compiled into the store Purchasing Guide describes the major brands , as well as reference to some hardware manual selection of metal locks for everyone the ultimate finishing skills.
A look locks material
Basic materials on the market locks into stainless steel, copper , zinc alloy, aluminum and iron. These materials each have their own advantages and disadvantages. Stainless steel , high strength, corrosion resistance , no color, is the best -made lock material, but forging performance is not good , stainless steel door styles and colors are relatively simple. Excellent mechanical properties of copper material , generally used to make European high-grade door locks, price and quality are high. Zinc alloy extremely resistant, corrosion-resistant properties , and relatively easy to cast , you can design many styles and patterns , many of the current market selling locks are zinc alloy material . However, due to the ratio of zinc alloy and raw materials are different, and different casting process design process , resulting in a significant price difference . Aluminum and iron applications is relatively small, mainly space aluminum alloy , this kind of door designs are generally relatively simple , there is no pattern design, ferrous locks less and less now , basically belong to the low-end locks. Usually some of the larger brands such as Department of Tyrone and Fantino hardware, more types of locks , the locks of different materials and grades are , mainly to see their budget and style , the choice of brand, brand and quality are compared with guaranteed.
Second, look at the lock surface treatment
Surface treatment can be divided into plating, painting and coloring are three locks through the surface treatment of the product surface to form a dense protective film , played the role of anti-corrosion and rust , so that locks more beautiful and durable. Dense protective film is also a measure of the quality standard locks , good quality locks, multi-use plating, coating delicate and smooth , even moderate , bright color, no bubbles, signs of rust and oxidation . If Fantino hardware products are through 12 layers of plating and polishing process 8 , 48 hours or 200 hours salt spray test moderately low degree of salt spray testing to ensure product surface is not due to the use and the passage of time from the spot in the above rust and oxidation .
Third, look at the key
Many different types of keys , the key word is generally divided into ( common keys and angle keys ) , Cross Keys , computer keys , cylinder keys, etc. , keyed different configurations Latchkey is not the same , common configuration word keys and Cross Keys the door price is relatively cheap, but the anti-theft performance is rather poor, belonging to a-level locks. As anti-theft performance is relatively low , the public security departments to vigorously promote everyone to use B and C grade , these two types of locks manufacturing process is relatively high, the more complex the pattern key , the less chance of success imitation , some brands such as days of slavery Hardware Luxury door lock has a unique password card , if you must rely on passwords with new key card to the designated professional bodies in order with the key, greatly improve the anti-theft performance .
Four locks to see the implementation of standards
Hardware Lock abroad have very strict standards and regulations , so the quality of imported products is also relatively higher. We can hand feel bad locks . In general , I feel heavy locks, relatively high quality ; lock body can not reveal sharp , exposed tip easily hurt , with particular attention to the end of the handle locks lock , latch and lock corners three positions ; good latch locks open and flexible, high sensitivity, and longer service life . There are also a variety of styles locks , must pay attention to the style of interior doors and consistent.
Home safety locks are first line of defense , can not be sloppy on the purchase of locks , and now a lot of people buy the door locks are sent , but are generally low grade and anti-theft performance of locks , it is recommended for safety, we still re- buy brand locks, such as Vogue Hardware , Department of Tyrone and Fantino hardware, brand, quality and safety are guaranteed .