1. Difference According to the thesaurus, there’s no difference between bolts and screws for these are regarded as synonyms of each other. As a professional fastener manufacturer, we’ve encountered many clients taking bolts as screws. However, these two types…
1. What is Countersunk Head Screw? The countersink head screw is also known as flat head screw. The head is conical with a flat outer face and a tapering inner face. The biggest advantage of this screw is that very…
1. What is a Wafer Head Screw? The Wafer Head Screw is featured with a low profile dome head and extra-wide load bearing flat surface. This special structure makes it strong hold for thin materials. As many other kinds of…
Where to use coil nails? 1. What are coil nails? Coil Nails are a series of nails arranged in a circle connected by a piece of metal and loaded into a gun. Popular with all trades, they are often…
1. What is common nail? The basic structure of a common nail is a round flat head, a shank, and a diamond-shaped point. Normally there are three types of common nails: the twisted shank type, the smooth shank type, and…
What’s zinc-nickel alloy coating? Compared with zinc plating, which is more common for a corrosion-resistance, the zinc-nickel alloy coating is not so popular. However, it offers an exceptional resistance particularly for parts in harsh environments. With a composition of 10-15%…
To fastener distributors, during the contact with the manufacturer, a correct and specific inquiry is very important. Especially a correct size specification of the screw is essential for the acquisition. How to measure the length? The measuring should start from…
As the price of wire rods has a great impact on the price of screws, the trend of this price has always been every screw manufacturer and distributor’s major concern. Compared with the year-ago level, the Steel Inventories at…
Screw Gauges: The Scew gauge refers to the diameter of the drywall screw. Generally, the most popular sizes are #6 (3.5mm) and #8 (4.2mm). Naturally, as the gauge numbers increase, the screw becomes larger in diameter. Usually, the size of…
What is a chipboard screw? Chipboard screws are self-tapping screws most commonly designed with a single thread that runs all the way from the base of the head to the tip. Both chipboard screw and CSK self-tapping screws belong to…