Get high level of chemical and corrosion resistance with the use of this extremely durable plain steel internal hex metric socket cap screw. Mcmastercarr is the complete source for your plant with over 595,000 products. The screw head is designed to fit a ratchet or spanner torque wrenches allowing you to tighten the screw to your exact specifications. They have a round cap with a hex head and are tightened with a socket wrench drive. Types of screw head styles include binding, button, cheese, fillister, flat, low head socket cap, and knurled. The basic thread lengths lt listed directly below the nominal sizes in the table above represents the nominal length up to which all screws of that diameter shall be fully threaded. Product standards require the manufacturers head marking to appear on the top of all cap screws 14 diameter and larger.
The hex head cap screw is a common fastener in construction and machine assembly. Once you have selected one of our american standard parts, you just need to add your metric requirement in the rfq. Torque calculated in accordance with vdi 2230, systematic calculation of high duty. The above are types of screws with a cylindrical head and an internal hexagonal drive. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes. Screw plain 102602 stainless steel 188 inch 104 stainless steel 316 inch.
Metric socket head cap screws din 912 bs 4168 iso 4762 materials and finishes steel 12. Metric coarse socket cap screw full thread nylon66 din912. Plain black metric socket head cap screws with coarse thread grade 12. For example din 931 is for partially threaded coarse thread metric hex cap screws. Metric socket hd cap screw dimensions west coast fasteners. A cap screw made from 316 stainless steel, an austenitic alloy which. Socket head cap screws are commonly used in machine assembly, especially for removable panels and parts.
The information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. A stud is a fastener with no head but it has threads at both ends of the shank. Din 960 is the specification for partially threaded fine thread metric hex cap. The minimum length of thread shall be equal to 12 the nominal screw length plus 0. A for plain heads where high strength and ease of installation are required. Full dimensional tables including product photographs and drawings are available by clicking on the item. Metric socket head cap screws size table engineers edge. The m designation for metric screws indicates the outer diameter of the screw in millimetres, so for an m2 screw, the outer diameter is 2mm. Metric socket cap screw pictures are a general representation and not an actual picture of the product you will receive.
The main difference between each of the hex cap screw standards is the width across the flats dimensions for the m10, m12, and m14. Thread dimensions for iso medium class threads 1,6mm to 300mm. Cap screws shall be fabricated from austenitic corrosion resistant steel of types 188, aisi 384, or equivalent types, and shall have a minimum tensile strength of 80,000 psi for sizes up to and including 58 in and 70,000 psi for sizes larger than 58 in. Screws round head screws 11 various head styles machine scerws 12 to 123 tapping screws approx.
We break down the specifics, terminology, lengths, nominal sizes, dimensions, and more that will help aid in selecting the right part for your applications and requirements. Metrics in engineering metric fasteners screws, nuts. Guide to design criteria for bolted and riveted joints. The most common standard socket cap screw is to din 912 in 12.
Because the screws are internally wrenched, they require less surface area and are thus ideal for projects where there is. Plain finish metric socket cap screws with hex drive and coarse thread. Specifications ansiiso metric hex cap screws metric class 12. All head dimensions are directly related to the basic screw diameter as follows. 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 pretapped to form a mating thread for the screw. Supplier of metric nuts, bolts, screws, washers and fasteners. Screws too short for this formula shall be threaded as close to the head as practicable.
Product guide industrial fasteners unbrako australia deepak fasteners australia ltd. A 91612 screw, which is comparable in diameter and is also coarse, has its threads spaced 0. Suggested seating torque values, only apply to metric grade 12. Fuller metric extensive range on diniso standard screws with dimensions. M spline socket size nominal j hexagon socket size nominal t key engagement min. For example, m10 or m106g, by default, specifies m10 x 1. Unified screw diameters are measured in inches lowest to highest as 0 to 10. Plating see appendixa for information on the plating of steel lag bolts. Same day shipments are also available on most items. Iso metric screw thread chart 1st 2nd height flat size external diameter choice choice h mm af mm ac mm 10.
The m3 and m4 nominal screw sizes have two drilled holes spaced 180 degrees apart. Socket head cap screw 1960 series socket low head cap screw socket head shoulder screw. Metric hex cap screws eagle fastener maintains a large inventory of metric cap screws. Metric screw thread chart metric tap size tap drill inches clearance drill inches m1. Fastenerdata socket cap screws fastener specifications. The standard metric fastener thread series for general purpose threaded components is the m thread profile and the coarse pitch thread series. Din 960fine thread partial thread hex head cap screw available in black, clear and yellow zinc diameters from m8m36 in various lengths. The iso metric screw threads are the most commonly used type of generalpurpose screw thread worldwide. Hex head cap screws are typically used to create a bolted joint, in which a. Din 933 1987 this standard contains specifications for fully threaded hexagon head screws with coarse metric thread for diameters m 1. Socket cap screw data an extensive reference for socket cap screws.
Nonstock diameter torque calculated to induce 420 mpa in the screw threads. Socket head cap screws socket screws and set screws. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36. Threads will vary according to the individual bolt sizes and dimensions. Choose from metric hex, flange and lock nuts with coarse or fine thread.
M2 screws are typically used in the manufacture of small items of electrical equipment, laptops, cameras and mobile phones. Metric fasteners are selected for specific functional applications. Din 933coarse thread full thread hex head cap screw available in black, clear and yellow zinc plated, stainless steel diameters from m3m72 in various lengths. Hole sizes 124 thumb and wing screws 125 to 127 b7 studs and nuts stud bolts for pressuretemperature piping 21 general purpose endtoend studs 22 tap end stud bolts 23 double end stud bolts 24 bolts.
Iso metric hexagon socket screws are limited to two different head shapes. M2 screws small screws micro screws fastenright ltd. Din 960fine thread partial thread hex head cap screw available in black. All data is correct to the best of our knowledge, however tr cannot be held responsible for any errors or omissions. For example, for a threaded spacer, the metric requirement might be m 3. Ss button head socket cap screws, stainless steel the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Unbrako socket cap screws offer resistance to a greater degree than any other threaded fasteners you can purchase offtheshelf. Bearings, often indicated in metric measurement, include types such as ball bearings, ball transfers, mounted bearings, and roller bearings. Socket hex head cap screws are externally threaded machine screws with an internal hex socket drive which corresponds to a hex key or allen wrench. It, like a screw, has one end that screws into a tapped hole. A cap screw made from one of the following austenitic alloys. To determine the threaded portion of the screws with a nominal length greater. A screw is a headed and threaded bolt used without a nut. For example, a hex cap screw with a 12 thread diameter, threads per i nch, and a 2 length could be listed like this.
Iso metric hardware specifications table chart engineers. Choose the right cap head for your specific application. Supplier of metric nuts, bolts, screws, washers and. The self colour screw surface finish for self colour is black oxide after heat treatment. They were one of the first international standards agreed when the international organization for standardization iso was set up in 1947. A cap screw made from 316 stainless steel, an austenitic alloy which differs from 188 by its molybdenum content 23% and.
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, e. The above specification is for coarse threads only. 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. However, in practice the actual diameter might be between 1. Inch series flat socket head cap screws continued mechanical properties and tightening torques nominal size basic screw diameter tensile strength pounds min. It is inserted into an internally tapped hole and tension is induced by rotation of the screw head.
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