For a chart of fastener grades, head markings and mechanical properties, see bolt. The titen hd offers low installation torque and outstanding performance. The major diameter is the largest diameter of the thread. For many years hobbyists and engineers have relied on micro fasteners inventory of affordably priced socket screws, machine screws, locknuts, washers, sheet metal or self tapping screws, wood screws. A general resource of information pertaining to screw characteristics. Winged fasteners used to attach plywood or particle board to 1216 gauge steel. Over 18 yearsspecializing in small size fasteners for electronics, radio control aircraft, uavs, robotics, rc hobby distributors, manufacturers, radio control cars and more. Barrett march 1990 the manual describes various platings that may be used for corrosion control including cadmium and zinc plating. Everything you need to select, specify and order these precision products is at your finger tips. Shop our huge selection of oem, mro, construction, industrial, and safety products.
Fastenmaster is an americanbased manufacturer of structural wood screws, composite deck screws, hidden deck and trim fasteners, hidden deck clips, autofeed screw systems and hot melt construction. The extra spacing between linked terms below helps the reader to see the correct parsing at a glance. The original highstrength screw anchor for use in cracked and uncracked concrete, as well as uncracked masonry. Here are the features that make this application better than all fastener applications. Screw washer assemblies panlscrews screws with captive metal washer, colorcoated screws without washers, pressure displacement stake fasteners, and special fasteners. The rivet material should match to the members being fastened.
Screws are threaded fasteners that create permanent or temporary assemblies. Recommended for new designs to replace round, truss and binding heads. The threaded end of the fastener is not chamfered but rather simply sheared. We know how important it is to get jobs done fast and well, without sacrificing quality. In this catalogue you will find complete information about unbrako socket screws and such related products as shoulder screws, dowel pins, pressure plugs and hex keys. The reader must consider all variables prior to using this information.
St fastening systems built strong through innovation. Select a category below to view a picture and information on that type of fastener. Flatlok is a multipurpose structural wood screw that can be used for fastening multiply scl, dimensional beams and girder trusses. Fasteners are used for fastening and securing materials such as wood, metal, plastic, or concrete. The latest technical information on grabbers product is available online. Technical documentation technical evaluation reports. The helix of a screws thread can twist in two possible directions, which is known as handedness. A ring shank is designed for increased withdrawal strength in softwoods. Some screws are also exposed to shear loads which occur.
These torque values apply to mount assembly fasteners. Get free 2day shipping on qualified screws products or buy hardware department products today with buy online pick up in store. Find the right selfdrilling screws for your project at fasteners plus. Cabinet screw cement board screw composite deck screw ii drywall contractor grade. Screws griprite fasteners, tools and building products. Fastener parts library fastener parts library loading. Machine screws with a thread cutting self tapping point. Panhead kreg screws are available in zinc only, in lengths ranging from 34 to 1 12 and in coarse and fine thread. Unf thread has a larger minor diameter than unc thread, which gives unf fasteners slightly higher loadcarrying in shear and better torquelocking capabilities than unc fasteners of the same material and outside diameter. Wood screws, floor screws, and sheet metal screws have flat heads that sit flush when holding material together. We use cookies on this site to enhance your user experience. Titanium and aluminum bolts have limited usage, primarily in the aerospace industry.
Selfdrilling screws enable drilling without first creating a pilot hole. If you cant open these pdf files directly in your browser, you can use a pdf viewer, such. If you cant open these pdf files directly in your browser, you can use a pdf viewer, such as adobe reader free. Fastener loads for plywood screws shearing of screw shank crushing of plywood figure 1 failure of laterally loaded, singleshear metaltoplywood. Hex heads provide maximum driving torque with a flat bearing surface that seats flush to your work surface for easy penetration of heavy gauge metal. Recess length b, ds, ls, and all dimensions not in view.
Enter a part number or name to see a product description and its. Provides a low large diameter head, but with characteristically high outer edge along the outer periphery of the head where driving action is most effective for high tightening torques. Choose from our selection of socket head screws, steel hex head screws, hex drive flat head screws, and more. Unless otherwise specified, screw threads are assumed to be righthanded.
Mcfeelys over 40 years supplies fasteners, fine woodworking tools and materials. The printable fastener tools series also includes general charts and tools for identifying and measuring fasteners, including a ruler and thread gauge. The blue, corrosionresistant coating enables them to withstand the harshest conditions. Screw fastening systems selfdrilling screw fastener selection and design 3. As shown in figure 1, once localized crushing of the wood has occurred, resistance to fastenerhead embedment into the metal causes the screw to become a shear specimen and joint behavior is dependent upon the shear strength of the fastener. Torx plus bits threaded products screw machine products inserts rivets stampings plastic molded products other fasteners apex fastener tools thread forming screws spring steel fasteners nuts pins construction fasteners utica torque products apex universal joints teco spring plunger products sturtevant richmont torque tools apex tool group ball studs captive. Fastener superstore offers a simple to use online catalog of more than 35,000 screws, bolts, rivets, spacers, standoffs and other fasteners. The lockbolt pin, shown in view a of figure 67, consists of a pin. Download this free cad block of a dynamic wood screw autocad. Thank you for the details, but it took long time to download. The lumberlok exterior structural connector screw is a selfdrilling screw that can be used with a number of mitek connectors and also for woodtowood applications.
Established in 1911, unbrako is the ultimate authority in high tensile industrial fasteners and remains the socket screw by which. Machine screws sheet metal screws self drilling sms screws with a smooth shank and tapered point for use in wood. These types of fasteners are used in fastening lumber and are tightened and loosened by applying torque to the head of the bolt. The following nail and screw fact sheet will help you pick what size screw and nail to use for fastening jobs. The minimum thread length is a function of fastener length as follows.
Metric fasteners 380 cap screws, din 931 zinc plated 380 socket head cap screw unplated 382 metric nuts 383 metric washers 384 contents reference fastener head examples 357 threads per inch chart 361 how to determine screw length 365 stainless steel mechanical specifications 376 metric mechanical specifications 383. Huyett offers great prices for standard hex head drill screws for industrial applications. Access documents such as msds sheets, products specifications, submittal forms, product flyers, and more. Fastening catalog bostitch tools, fasteners, compressors. In this case, very hard surfaces are decisive, so that these screws are able to make their own thread automatically. A screw is a type of fastener, in some ways similar to a bolt typically made of metal, and. Founded in 1988, intercorp has established itself as an industry leader in the fastener distribution business. Screws tamper resistant security type a sheet metal screw tamper resistant security type a sheet metal screw self drilling ply metal screw, flat head phillips oval head spanner stainless steel 304 pan head spanner stainless steel 304 button head torx with pin grade 2 steel plated, stainless steel 304. Streaker fasteners selftapping screws with a unique thread, and a hardened, extrasharp 23 point that allows direct penetration of 20 to 25 gauge steel. Stainless steel fasteners how to determine screw length346 machine screws stainless steel 346 sheet metal screws stainless steel 347 self drilling tek screws stainless steel 349 cap screws stainless steel 349 stainless steel nuts 350 stainless steel washers 351 metric fasteners 352 cap screws, din 931 zinc plated 352.
They are inserted and removed by turning in one direction or another. Bolts in u shape for attaching to pipe or other round surfaces. Fastener categories fastener type chart wood screws machine screws thread cutting machine screws sheet metal screws self drilling sms screws with a smooth shank and tapered point for use in wood. The cornerstone of st fastening systems success is a commitment to customer service. Screw fasteners pdf fastener grade us or class metric refers to the mechanical properties. Various shapes are used depending on the type of materials being. Products fasteners screws standard screws standard screw assortments standard screw assortments assortments of imperial and metric, carbon and stainless steel socket head cap screws, hex head drill screws, and set screws. These screws are also perfect for use in 12 thick boards and sheet goods, and in narrow pieces.
Framecad screw fasteners are produced by established iso 9001 and some 14001 certified factories with a long tradition for producing consistent quality and adherence to strict manufacturing and inspection standards to meet increasingly stringent building codes. They include nuts and bolts, threaded rods, structural bolts, machine screws, wedge anchors, washers. Screws are metal fasteners that have a threaded shank, which is driven by turning. Shop trusted brands like simpson strongtie online today. The desired result is a clamping force to hold components together. Loss of preload in pretensioned bolts tu delft repositories. The wings bore a hole in the wood greater in diameter than the major diameter of the screw. Mechanical properties of bolts, screws, and studs according diniso 898, part 1 pdf, retrieved 20090606. Screw shear capacities are based on a diameter of 0.
Shear failure of the screw shank occurs at the woodmetal interface. All brochures are in pdf format, a pdf compatible viewer is required to read them. The head of the screw has a recessed area that accepts a tool, such as a drill or screwdriver, which turns the screw into place. The wsts is tested in accordance with icces ac233 and ac and meets 2018 irc and ibc code requirements. These kreg screws have a large head that provides maximum bearing surface as the screw pulls tight in the pocket. The usp head stamp identifies the screw length for easy inspection. Carbon steel is the cheapest and most common bolt material. Fastener loads for plywood screws shearing of screw shank crushing of plywood figure 1. A dome head rivet offers a head size twice the diameter of the rivet body. Fastenal industrial supplies, oem fasteners, safety. Four zones of the tightening process the most general model of the torqueturn signature for the fastener tightening. Carriage boltsarriage bolts have a domed or flat head with a square section at the top of the shank just under the head. Mcfeelys has our screws and fasteners in one place and using the filters on the left, you can narrow down to a specific screw or fastener mcfeelys selecta screw skip to content. Fastener application primary function appearance number of fasteners operating conditions frequency of disassembly adjustability types of materials consequences of failure 5 screw thread terminology fig.
Machine screws are only available in smaller diameters. The mitek pro series tm wsts truss structural wood screw can be used to resist uplift and lateral loads for trussraftertoplate and studtoplate connections. A unc fastener can be procured with a class 3 tighter fit if needed fit classes covered below. Exclusive to bostitch is the thickcoattm galvanization which provides a consistent. Hex washer head screw hex washer head with neoprene washer screw laminator screw drywall to drywall modified truss screw metal to metal overhead garage door screw pan framing screw pan head screw. Its why construction innovation is such a big part of what we do. Fully threaded screws with a point for use in sheet metal. Stake fastener company offers four basic product categories. Preload loss in pretensioned bolts is an inevitable phenomenon. Not shown factory installed drain for reliable performance. Maxiloc screws are a great choice for the majority of applications. However, when more holding power is necessary, a ring or screw shank should be used. Search functionality helps you search terms easily fast and lightweight application pdf.
Multispeed psc motor blower provides quiet airflow, reliable operation and is installed on a slide out track. Fastener type chart wood screws machine screws thread cutting machine screws sheet metal screws self drilling sms screws with a smooth shank and tapered point for use in wood. The lowprofile flat head allows for easy attachment of finishing materials such as drywall. Adding a dimension of aesthetics into functionality. These screws are usually used to join materials like sheet metal. Fastener parts library 3d cad model library grabcad.
Screws with threads for use with a nut or tapped hole. Although there is seemingly nothing complicated about a nail or a screw, many are misused due to improper sizing. Ipts industrial fasteners handbook and training manual are essential reference guides for engineers, draftsmen, supervisors, journeymen and apprentices of all steelrelated industries. Get free 2day shipping on qualified 10 in, screws products or buy hardware department products today with buy online pick up in store. They share a hexagonal head and are driven with a wrench. More complete material easy access to key issues in fastener. Fastenmasters technical documentation available for download includes our icces esr report 1078, lok line technical evaluation reports, technical bulletins, screw drawings and detail drawings. Online distributor and manufacturer of security fasteners and tamper proof screws, hex socket and torx tamper resistant fasteners with next day delivery. The screw shank works well at improving the withdrawal capacity in hardwoods. Hex tap bolts, hex cap screws, trim head hex cap screws, and hex serrated flange bolts fall under this category. Figure 46 shows a top view of the abovementioned phenomenon. Fastener and hardware information sheet for alkaline copper quaternary acq treated products warning certain metal products including fasteners, hardware and flashing may corrode when in direct contact with yellawood brand products with acq preservatives. Reliability, higher pressures, stresses and speeds in todays machines and equipment demand stronger, more reliable.
Mechanical properties of bolts, screws, and studs according diniso 898, part 1 pdf, retrieved 200906 06. Quickly and easily locate parts made by fastener products companies. The torqueangle curves can also provide the necessary information to properly qualify the capability of tightening tools to properly tighten a given fastener. Wood screw dynamic cad block cadblocksfree cad blocks free. Fastenal is the largest fastener distributor in north america. A bolt is a form of threaded fastener with an external male thread. Our flagship brand, strongpoint, is sold by thousands of distributors to. If referring to internal thread tolerance, the g would be uppercase. Scroll down to learn about many different types of nuts, bolts and screws. Mitek lumberlok exterior structural connector screws have a bending yield strength of 180,000 psi.
It does not mention outgassing problems caused by the relatively high vapor pressure of these metals. Length length for most types of fasteners, the diameter is measured on the outside of the threads. By clicking i agree below, you are giving your consent for us to set cookies. Engineering fundamentals of threaded fastener design and. Most screw threads are oriented so that when seen from above, the screw shaft moves away from the viewer the screw is tightened when turned in a clockwise direction. This thesis focuses on the different causes for bolt relaxation and their relation to joint design. If you cant open these pdf files directly in your browser, you can use a pdf viewer. Products screw and fastener is a fastener distributor we find the hard to source items and stocks a wide variety of products for our customers.