The iso metric screw threads are the most commonly used type of generalpurpose screw thread worldwide. Various types of head for screw and washer assemblies. Keadic 460pcs 2 types internal hex drive cuppoint screws assortment kit with plastic case, 304 stainless steel and 12. For instance the difference in the length of a screw that is 2. Hexagon nuts, style 1, with metric fine pitch thread product grades a and b. Applications advantages the cup point is the most popular type of set screw, designed for fast, permanent and semipermanent location of. Skip to main content skip to main navigation covid19 update. The standard metric fastener thread series for general purpose threaded components is the m thread profile and the coarse pitch thread series. Searching for metric fine socket screws and set screws.
Fastener tech data understanding series introduction. Chart showing 60 types of screws, screw heads, bolts, nuts and washers chart. Material cold heading, case hardening quality steel. Metal set screw types chart printable pdf chart this chart shows the different types of set screws used in the fastener industry. This style has serrated ridges, or knurls, in the indented cup that bite into the contact material and effectively lock in place for a powerful grip that resists loosening caused by vibration. Socket set screws come with either cup or knurl cup points shaped to bear on a mating part. Stafford metric shaft collars are fully metric in all specifications, including the set screw. Applications advantages for molded or through holes in thin metal, nonferrous castings, plastics or resinfilled plywood. Hexagon machine screw nuts 42 type a forged wing nuts 43 hex slotted nuts 44. Also known as dogpoint set screws, these set screws have a protruding tip that locks within a mating hole or slot to keep parts aligned. The following are to links of iso metric hardware specifications table charts. Socket set screws point selection according to application knurled cup for quick and permanent location of gears, collars, pulleys or knobs on shafts. Finding the right type of screw head for your project when there are hundreds of combinations of the drive type and head shape can be confusing, especially for beginning diyers. It has no head and is typically tightened or loosened with a square or hex key, although a slotted set screw can be adjusted with a screwdriver.
Available in a variety of drive types and heads, they fit a wide variety of applications. Experimental determi nation of preliminary torque and angle of. Double expansion sleeves expansion anchor for masonry that ensures contact along the length of the hole. Type square head set screws socket set screws alloy steel socket set screws stainless steel halfdog or selflocking cup points only. We carry wafer head screws just like the ones used by oems like hp, dell, compaq, gateway, ibm, apple, toshiba, etc. Socket head set screw assortment 160piece metrictit45251. Iso 4026 specifies the characteristics of hexagon socket set screws with flat point and threads from m1,6 up to and including m24 and of product grade a. There is an exception thoughif pitch isnt specified, the fastener is coarse threaded. There is a hex or squareshaped socket at the top of the drive in place of a head. Some of the more popular set screws are the square head set screw, the socket set screws and the different styles of slotted headless set screws. Wood screw 17 f bt or 25 t or 23 1 or d trilobular u csd or bsd socket set screw points the most widely used style of set screw.
Hardened steel, black oxide finish or 304 stainless steel specification. However, in most cases you can substitute a slightly longer or shorter screw. Fastener grade us or class metric refers to the mechanical proper ties of the fastener material. For example, you cannot measure a rivet with a ruler.
Slotted and cross recessed screws with metric thread. This chart illustrates the different style nuts used in the industry. Iso metric screw thread chart 1st 2nd height flat size external. Priced per 100 pieces catalog number metric component hardened steel 304 stainless steel md0916mqb020x003 md0916mqb020x004 md0916mqb020x005 md0916mqb025x003 md0916mqb025x004 md0916mqb025x005 md0916mqb025x006. Machine screws with a thread cutting self tapping point. Xcelite hex metric screwdriver set 9pieceps90mm the. It is important to have the right tools and know how to measure fasteners.
Their purpose is to hold parts beneath the cup or points, and withstand any rotational movement or lateral displacement and to also resist vibr. Socket set screws prevent movement of a pulley or similar machine part relative to a shaft. May 04, 2016 the fasteners are typically headless, also called blind, meaning that the screw has no head projecting past the threaded area of the screw. We carry a full line of metric set screws with socket hex drive. All data is correct to the best of our knowledge, however tr cannot be held responsible for any errors or omissions. Socket set screws dimensions application data seating. For example, m10 or m106g, by default, specifies m10 x 1. We are the leading supplier of laptop computer screws on the internet. A machine screw is a screw or bolt with a flat point. Used with nuts and washers, also known as stove bolts or stovers. Metric hardware machine screws selftapping set screws socket cup point. Socket set screws are headless and are threaded over their entire length. Metric screws fasteners the home depot store finder. However, the following limitations must be carefully observed in using the information presented in this handbook.
Screws with threads for use with a nut or tapped hole. Newport fasteners offers same day shipping on a massive selection of socket set screws in alloy, stainless steel and brass. Socket set screws of sufficient length should be tested to determine if that can withstand the application of the test torque outlined in the above table without evidence of the socket reaming or the screw. Metric set screw couplings wkeyway mrcseries on climax. It is designed for fast, permanent and semipermanent location of parts on shafts on up to 10 to 15 hrc points of the screw hardness, where high tightening torques are impractical. Iso metric hardware specifications table chart engineers edge. Aall american fasteners 2303 gary road, unit 1 innaminson, nj 08077. Adjusted with a hex or torx key, socket set screws are headless and feature an internal drive.
Type 1 23, 25 special thread forming or cutting tapping screws type a f, t special thread. If you need screws for computers you have come to the right place. 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 set screw is driven through a threaded hole in the rotating part until it is tight against the shaft.
Dimensioning of metric screws wurth industrie service. Browse metric socket head cap screws din 912 in the coburnsmyers online catalog and search by type, diameter, pitch, length, material and finish toll free. It includes 7 different metric diameters and a total of different sizes. Get free 2day shipping on qualified metric, screws products or buy hardware department products today with buy online pick up in store. Key engagement dimensions shown in columns t h and t s shall apply to screw lengths longer than listed in columns b and b 1 respectively. A flat point of set screw is appropriate in situation where the set screw is required to press completely flat against a surface, so as to create compression. It has a hexagonal drive at one end and a cupshaped indentation at the other end. They were one of the first international standards agreed when the international organization for standardization iso was set up in 1947.
Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today. Patented precision screw forming pst technology smooth performance due to unique ball return systems regionally stockedmachinedassembled product in marengo, illinios p5 accuracy screws standard ground quality ball nuts flanged style metric ball screw assemblies combine the engineering and performance of highquality, german. Machine screw anchors a twopiece machine thread anchor for use in stone, brick, or concrete. Cup points have a cupshaped point to indent into the contact material and is a commonly used style for permanent or semipermanent installations on soft or hard surfaces. Fastener reference tables conversions, hardness, thread pitch, tensile strength the tables below are provided as a general guide to help you better understand metric and imperial measurements. Shop set screws machine screws in the screws section of.
The xcelite hex metric screwdriver set 9 piece comes in a plastic storage case. Iso set screw size data table chart iso 4026 iso hardware engineering data ansi hardware engineering data iso 4026 specifies the characteristics of hexagon socket set screws with flat point and threads from m1,6 up to and including m24 and of product grade a. Dog point set screws dog point, or extended point set. The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters millimeters is abbreviated mm. A set screw is generally a headless screw but can be any screw used to fix a rotating part to a shaft, such as a line shaft or countershaft. Set screws cup, flat, oval, dogs, cone, brass and nylon tips. To add several products from this page to your shopping cart at once. The cupshaped edge cuts into the surface material to prevent the part from loosening.
Head type of bolts hexagon head bolt usually uses nut heavy duty hexagon head cap screw thinner head often used as screw in threaded hole, without nut socket head cap screw usually more precision applications access from the top machine screws usually smaller sizes slot or philips head common. Exclusive counterclockwise locking knurls resist screw loosening, even in poorly tapped. Get free 2day shipping on qualified metric, set screws, fasteners products or buy hardware department products today with buy online pick up in store. Metric set screws, hex and torx metric set screws here.
These nuts have different functions in the fastener industry. This is an incomplete list of din standards the status column gives the latest known status of the standard. Set screws fasten into a fixed shaft to secure a moving object. Set screws metric fasteners hardware the home depot. Type square head set screws socket set screws alloy steel socket set screws stainless steel. Cone, halfdog, flat, oval, cup and selflocking cup points standard use stainless for corrosive, cryo. Knurled cup set screws feature one slight variation from the cup point set screw. A set screw is a threaded fastener that is used to.
Socket set screws are used to generate a compressive load, normal fasteners have a tensile load that we see with the installation of bolts and screw. Changes to standards for clevis pins, pins, slotted set screws and plain washers for clevis pins. Screw thread definitions 3 types of thread 4 manufacturing screw threads. Blunt point metric self tapping screws type f description a thread forming, tapping screw with spaced threads and a blunt point with incomplete entering threads. Dropin anchors a heavy duty machine thread anchor for concrete or stone. The cup point is the most popular and comes in both metric and decimal. Set screws socket set screws alloy steel socket set screws stainless steel halfdog or selflocking cup points only. A metric iso screw thread is designated by the letter m followed by the value of the nominal diameter d the maximum thread diameter for external thread and the minimum diameter for internal one and the pitch p, both expressed in millimetres and separated by the hyphen sign. Description a headless screw threaded the entire length with a metric thread pitch.
Knurled cup point screws the knurls dig into the surface to provide strong holding power in highvibration applications. Fastener type chart bolt depot nuts and bolts, screws. The blades are black oxide coated steel for strength and durability. Fastenerdata socket set screw fastener specifications. Highhold conepoint set screws for a secure hold on soft materials such as brass, the pointed tip wedges into the contact surface. This is a quality 280 piece metric cup point style set screw assortment kit. Set screws, check out the variety of configurable, set screws for industrial applications. Knurled cup socket set screws socket screws and set. Shop a large range of metric set screws at msc industrial supply.
They function by gouging the set screw into the surface of a soft shaft. We are cs enterprises, your online source for hard to find and unique micro miniature screws and fasteners. Socket set screws dimensions application data seating torques. Cone, halfdog, flat, oval, cup and selflocking cup points standard use stainless for. If a standard has been withdrawn and no replacement specification is listed, either the specification was withdrawn without replacement or a replacement specification could not be identified. Shop a large range of nylon metric screws at msc industrial supply. Requirements l axis of screw thread basic major diameter minor diameter basic pitch diameter l description a metric machine screw is a straight shank fastener with a metric thread pitch designed to go through a hole or nut that is pre. Easy online ordering and nextday delivery available with 247 expert product support. These are useful if you are trying to find an exact replacement screw.