High Quality Fasteners A core competency Dokka Fasteners has the ability to design in the highest level of manufacturing product quality and the greatest levels of customer satisfaction. Operational Excellence On a global scale Our operations are consistently evaluated for optimum efficiencies and effectiveness. Incorporation of advanced technology into our business is critical to our success. We take pride in our responsibility as a supplier to some of the largest, highly sophisticated companies in the world. Our customers have high expectations, and Dokka Fasteners is committed to meet these stringent requirements. We provide our customers with Security through high quality product from only European steel manufacturers, built with integrity to ensure safety.
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- The Capital Advantage
- TCB - Tension Control Bolts & Shear Wrenches | Tension Control Bolts
- Aircraft Quality Nuts And Bolts
- Reputable Titanium Bolts and Screws Manufacturer
- NUT JOB | Nut, Bolt, Washer and Threaded Rod Factory
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While the size may be similar, the pitch of the threads will be different, so it is important to be able to recognize the difference between metric and standard fasteners. There is nothing in greater quantity on your car than the nuts, bolts and screws that help hold it together. Fastener manufacturers identify bolts and capscrews by type, length, major diameter, pitch threads per inch , length of thread, class or fit, material, tensile strength, and the wrench size needed to tighten them.
All these variables match the fastener to the particular application for which it was designed. A capscrew which is too soft might snap off before the proper torque is reached. The wrong thread size will strip out the nut or receiving hole and cause a host of new problems. Bolts and capscrews are not all made of the same quality material nor is the tempering the same.
Markings are stamped on the face to indicate the bolt type, and specifically, show the tensile strength of the fastener, or the amount of pull an object will withstand before breaking. Generally, a fastener with more tensile strength accepts more torque before breaking, but to avoid breaking bolts, a torque chart is most helpful. Bolt manufacturers use a variety of methods for marking the classifications of their products.
No markings on the bolt head indicate a low carbon steel bolt with a tensile strength 64,psi or less. These are "soft bolts," commonly referred to in mechanical engineering circles as a Grade Two or Three bolt. Soft bolts have an indeterminate quality and are commonly used in light manufacturing. Six raised slots is a Grade Eight, medium carbon alloy steel, quenched, tempered, ,psi, and is the best commercial quality.
A Grade 12 has eight raised slots surrounding an oval, and is a special alloy steel, quenched and tempered. A Grade 12 is recommended for critical use and competition purposes. Thread pitch , or the distance between the crest of a thread to the same spot on the crest of the next thread, helps determine the type; the smaller the pitch, the greater number of threads per inch. Use a thread-pitch gauge to determine the number of threads-per-inch. Coarse-threaded hardware screws in and out more quickly and is less subject to stripping and galling the threads ripping particles of metal from each other thereby damaging both threads.
Fine-threaded hardware tends to take more torque and, as a result, has a slightly better holding capability. Fortunately, fastener manufacturers mark metric bolts differently than SAE bolts. In addition, manufacturers stamp most metric bolts with a number on the bolt head, such as 4. This number has nothing to do with the size, but does indicate the relative strength of the bolt: the higher the number, the stronger the bolt.
Manufacturers mark some metric nuts with a single-digit number to indicate the strength, and some emboss the "M" and strength grade on the flats of the hex. An alternate way of designating strength grade is the clock-face system. One dot at the 12 o'clock position indicates a grade under 12, while two dots found at the 12 o'clock position is Grade 12 and over. Fastener manufacturers identify the size of a metric fastener differently than an SAE fastener.
As an example, a metric fastener size is: M12 x 2. This means that the major diameter of the threads is 12mm and that the thread pitch is 2mm there are 2mm between threads. ISO classes metric threads by the distance between the threads, and the distance between threads does not exactly correspond to number of threads per inch 2mm between threads is about Time spent organizing bins of nuts and bolts into types and sizes will save a lot of time on the other end, not to mention the headache caused from mistaking a metric bolt for a U.
Steer clear of the pitfalls of automotive service, a subscription to ChiltonDIY will give you full access to automotive service and repair information.
Not only is Ryan Lee Price a freelance writer specializing in automotive journalism and a former long-time magazine editor, he is part of the technical editorial team that provides content for most all of the Chilton products. He currently resides in Corona, California, with his wife Kara and their two children. Tensile Strength No markings on the bolt head indicate a low carbon steel bolt with a tensile strength 64,psi or less. The Clock-Face System An alternate way of designating strength grade is the clock-face system.
Size Designations Fastener manufacturers identify the size of a metric fastener differently than an SAE fastener. Save Time and Aggravation Time spent organizing bins of nuts and bolts into types and sizes will save a lot of time on the other end, not to mention the headache caused from mistaking a metric bolt for a U.
Tension Control Bolts Ltd has its own metal coating plant producing an environmentally friendly anti-corrosion coating called Greenkote, which is comparable to galvanising, although it is harder wearing and readily accepts all paint systems. Learn more about Greenkote. High strength TCBs can be employed in almost all steelwork connections. Safe and efficient installation using lightweight electric shear wrenches. TCB has supplied some of the most prestigious structures in the world.
TCB - Tension Control Bolts & Shear Wrenches | Tension Control Bolts
While the size may be similar, the pitch of the threads will be different, so it is important to be able to recognize the difference between metric and standard fasteners. There is nothing in greater quantity on your car than the nuts, bolts and screws that help hold it together. Fastener manufacturers identify bolts and capscrews by type, length, major diameter, pitch threads per inch , length of thread, class or fit, material, tensile strength, and the wrench size needed to tighten them. All these variables match the fastener to the particular application for which it was designed. A capscrew which is too soft might snap off before the proper torque is reached.
Aircraft Quality Nuts And Bolts
Industrial fasteners are hardware that are used to hold materials together. This category is incredibly broad; over , types of hardware fall under the fastener umbrella. Across industrial and commercial settings, fasteners are used in literally thousands of applications. They do everything from holding cars together, to connecting building structures, to securing orthopedic implants. Read More…. Ford is a leading provider of fasteners and other quality products.SEE VIDEO BY TOPIC: Soft skill documentary: nut bolt manufacturing industry
Learn More. Our very existence as a company is based on our philosophy of being and integral long term partner with our customers that builds a foundation of trust and loyalty which leads to relationships and customer retention through industry leading customer support. We built our reputation by offering our customer base the best in customer service. Industry leading customer service coupled with competitive pricing leads to unmeasurable value in their supply chain. Adaptable Your business is changing daily and CBS is committed to navigating that change with you as a trusted partner. We are committed to pro-active thinking and effective communication regarding changes to the market place and your business operations. Accessible Our organizational structure is flat.
Reputable Titanium Bolts and Screws Manufacturer
Global Perspective. Guangzhou Baostep Industrial Limited. Gold Supplier Gold Supplier is a premium membership for suppliers on Alibaba. Members are provided with comprehensive ways to promote their products, maximizing product exposure and increasing return-on-investment. See all categories Wheel Bolts. Head Bolts. Steel Wheel. Vehicle Tools. Other Automotive Parts.
NUT JOB | Nut, Bolt, Washer and Threaded Rod Factory
In those primitive days before this company was formed, blacksmiths made practically all bolts and nuts with a hammer, anvil and vise. He found employment at a Manhattan iron works, and being a Quaker, secured quarters in a boarding house on Mott Street, conducted by Hannah Ketcham, a member of the Society of Friends. Ward and Burdsall became fast friends. Emil C. Boerner , another picturesque personality of those early days, and afterward in Port Chester, was Mrs. Mary B. Alcott , who entered the firm in , taking charge of inspection and the nutting and packing of bolts. She, too, stayed fifty-three years. The high reputation of the Company for quality is due in large measure to the foundation she laid for good workmanship.
Find Anything You Need at Our Melbourne Location or at Our Online Hardware Store
B aoji Sino-Swiss Titanium Co. While having enormous production capacities and technological resources, we are capable of processing, stamping, and surface treatment. Baoji Sino-Swiss Titanium Co. We are professionally recognized by a myriad of state and commercial organizations that have already become our loyal customers. Putting a premium on the compliance with the most exacting standards in our industry allows us to serve domestic as well as foreign markets. In the pursuit of the highest quality of titanium bolts and nuts, our production facility is equipped with the latest CNC machines.
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Welcome to American Bolt & Screw
We also have in-house engineers to help you create your perfect fastener, customized to your exact specifications! Buckeye has increased their " in-stock" offerings to include headed concrete anchors and shear connectors We have also added an extensive line of Arc and CD stud welding equipment and accessories - available upon request. Buckeye Fasteners Company, a leading manufacturer and supplier of high quality weld fasteners.
James E. Duffy has written many of the top-selling automotive education textbooks on the market today.