Armpre Machinery Blog

British Standard Fine (BSF) Size Chart British Standard Fine (BSF) In the 19th century, Sir Joseph Whitworth developed a standardized system in order to maintain the standards of screw threads for nuts and bolts. This standard was named as the Whitworth form. The BSW (British Standard Whitworth) system includes two types of threads, that are, […]

British Standard Whitworth (BSW) Coarse Pitch Size Chart British Standard Whitworth (BSW) The British Standard Whitworth (BSW) thread is known as a screw thread profile used for fastening applications in the United Kingdom and many other countries. It was developed by Sir Joseph Whitworth in the middle of the 19th century and was one of the […]

ASTM A193 Standard Bolts Size Chart   Bolts and nuts are tools used in order to connect two or more mechanical parts with each other. ASTM A193 bolts are used to connect ferritic and austenitic stainless steel efficiently. There are many types of A193 bolts such as A193M Hex Head Bolt, A193 Eye Bolt, and […]

ACME Thread General Purpose Size Chart 1. What is ASME/ANSI B1.5 for bolts? he ANSI/ASME B1.5 ACME Screw Threads Standard provides General Purpose ACME, and Centralizing ACME Centralizing Acme threads have limited clearance at the major workpiece diameters of both the internal and external threads and are widely used extensively for feeding screws.  screw rod， Restricted clearance […]

BS 3692 Bolt Size Chart Bolts are mechanical tools used to connect two or more parts with each other. Technically they are mechanical fasteners that come with a nut on them. A joint that is bolted can be disassembled and reassembled easily. This is one of the many reasons bolts are used comparatively more than […]

Top 10 Thread Rolling Die Manufacturers If you are in the machinery industry that requires Thread Rolling Dies, then you might want to know about the best Thread Rolling Die manufacturers in the world. Thread Rolling Dies are made for through-feed rolling and in-feed rolling processes in the thread rolling machines. Having higher quality, reliable […]

Top 10 Pillar Drilling Machine Manufacturers If someone needs to perform a bulk of drilling operations with extreme stability and accuracy,  a pillar drilling  machine will be the most effective and efficient solution to choose. A pillar drill (also known as a drill press) is a versatile machine that can drill single holes into a variety of materials. In many workshops and manufacturing plants around the world, pillar drilling machine is very high on the list […]

Top 10 Thread Rolling Machine Manufacturers If you are in the machinery industry that requires rolled threads, then you might want to know about thread rolling machines. Thread rolling is a type of threading process which involves deforming a metal stock by rolling it through dies to form external threads along its surface. Many different kinds of thread rolling machines are used according to the […]