Metric belleville spring washer a belleville spring is a conically shaped disc that will deflect flatten at a given rate. Stainless steel 316 a4 also known as a4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Ansi and metric hardware resources tables and references. Spring washers are a left hand helix and allow the thread to be tightened in a right. Browse by imperial or metric units for your convenience. Spring washer fastener specifications fastenerdata.
Fastenerdata spring washer fastener specifications. Spring washer designed to help prevent loosening of bolted joints under vibration. We supply single coil rectangular section spring washers in the following materials, spring steel, zinc. The following tables define the sizes for metric flat washers per iso 7089. Split lock helical spring washer size dimension table. The charts below gives the dimensions for imperial flat,spring,internal toothandexternal tooth. If length is figured first thread to first thread, order must so specify. Tap end thread length t and thread series nut end thread length n and thread series double end or tap end studs are available in either rolled or cut threads. A lock washer system that uses wedge locking technology to prevent loosening under severe vibration and dynamic load. Spring washers single coil square section metric zinc plated din7980 un0323.
Leyton fasteners have put together a comparison chart so that you can easily compare the dimensions of metric and imperial washer. Flat load for sds springs refer to din specification for tolerances. For actual tolerances for a specific part, contact us. Belleville washer a belleville washer, also known as a coneddisc spring or conical washer and cupped spring washer, is a type of spring shaped like a washer. Bolt size inside diameter outside diameter thickness. Other finishes like zinc coated with hydrogen deembrittlement in blue or yellow passivation, cadmium plated, nickle plated, bright chromium plated and phosphated are also available. Learn more about square section spring washers offered by united fasteners. S 4 a bowed washer s 4 az zinc plated bowed washer s 4 b waved washer s 4 bz zinc plated waved washer weight s kg h max h min d 2 j 16 d 1 h 14 for screw o mm spring washer dimensions 0. Spring washer also known as helical spring is specifically designed to provide a compensating spring force and sustain a load or absorb a shock. S for screw size catalog number metric component 2. The advantage of a disc spring is that it generates high force in a very short spring length and with. A spring washer is used to prevent components from loosening.
Our staff will work with you to address questions and find a spring washer that meets your needs. Wave spring washers are stocked in a variety of bolt sizes to ensure optimal reliability and compatibility. Metric din 127 helical spring split lock washers are commonly used metric lock washers it is a split metal ring that is bent into a helical shape. This spring rate is usually very high, allowing the spring to produce high spring loads in tight spaces. Metric helical spring split lock washers wcl company. Also known as a belleville washer, disc spring, coneddisc spring and cupped disc washer. Stainless steel 188 a2 also known as a2 stainless, 188 is the most common grade of stainless steel for general use. Dimensions shown are in mm, if you wish to convert to inches, please use ouruniversal converter.
Metric flat washers dimensions form a din 125 form b bs 4320 form c bs 4320 size od thickness od thickness od thickness m3 7 0. Washer dimensions metric imperial leyton fasteners. Thicker, taller spring washers can sustain more load. We offer square section spring washers din 7980 in a range of stock sizes from m3 to. Metric din 7 type a and b spring lock washers are specialty spring lock washers unlike standard split helical spring lock washers, the din 7 lock washers are uninterrupted formed disks in either a curved or waved configuration that are nondirectional allowing the screw and or nut to be tightened in a clockwise or counterclockwise manner. This spring rate is usually very high, allowing the spring to. Metric din 127 type b helical spring split lock washers. This style washer is most similar to inchsized fender washers. A washer is a thin plate typically diskshaped, but sometimes square with a hole typically in the middle that is normally used to distribute the load of a threaded fastener, such as a bolt or nut. As such, the deflection rate of a wave washer is conditional of the washer s dimensions and materials. A disc spring sometimes called a belleville washer after the inventor consists primarily of a convex disc supported at the outer periphery by one force and an opposing force on the center of the disc. When under stress, the raised irregularities of the disc spring flatten to a predetermined degree. A coiled, hardened, split circular washer with a slightly trapezoidal wire section.
Metric spring washers provide a vibration resistant function, they consist of ring split at one point and bent into a helical shape, this causes the washer to exert a spring force between the fasteners head and the bearing face which maintains the washer hard against the face and the bolt thread hard against the nut or threaded hole, creating more friction and resistance to rotation and. Types of washers and their application smlease design. Deflecting under a load, a spring washer is very much like a compression spring. A regular split lock washer made from austenitic stainless steel. Dimensionally identical to a regular split lock washer but made from 4037 alloy steel sizes over 1 are equivalent to heavy split lockwashers in size and material. Wave washers, of comparable size, do not produce as much force as belleville washers. Unless specified below, current revisions of national or international standards. Spring washers single coil square section metric zinc plated din7980. Catalogue washers circlips seals rings washers spring washers single coil rectangular tr00025100 metric unfortunately your web browser does not support this image format.
Shoulder washers are available in fiberglass, phenolic, nylon, pctfe, ptfe and metals. Spring washers also called split lock washers, provide a vibration resistant function, they consist of ring split at one point and bent into a helical shape, this causes the washer to exert a spring force between the fasteners head and the bearing face which maintains the washer hard against the face and the bolt thread hard against the nut or threaded hole. Wcl has over 50 years of experience with all types of standard and engineered fasteners, and provides a comprehensive line of component products for sale from some of. American metric washers size table metric washers per ansi b18. Fastenerdata metric spring washer fastener specifications. Contact willie washer to obtain additional information on wave spring washers. B washers may be clipped on one side not closer to the center of the washer than width e. These washers are normally available in black finish. Stainless steelself colour brassself colour dimensions for metric screws d nom d nom s nom m1. Split lock helical spring washer size dimension table chart. Search lee springs inventory of belleville washers by part number or by specifications. Wave spring washers screw size series priced per 100 pieces catalog number. When compressed by tightening the nut, the washer bites into the. Iso flat washer size table chart iso 7089 engineers edge.
Helical spring lock washers made of materials other than carbon steel are available in the regular series. Search lee spring s inventory of belleville washers by part number or by specifications. Metric, wave spring washer, din 7, mechanical zinc this product standard contains the required dimensional, mechanical, performance, and chemical characteristics of the products shown in this purchase order as applicable to the product. All information is strictly informative fmp din 93 tab washer size weight m3 0. Spring washers of square section are lighter, and thereby, cheaper than the ones with a rectangular section. Metric, wave spring washer, din 7, mechanical zinc. These washers work as a flat washer for flat head countersunk screws.
Flat washers are used to improve stress distribution, and to span large. Dimensions for single coil rectangular section spring washers. Wcl company specializes in reliable lowcost, engineered high performance metallic and nonmetallic washers, washer products, shaft retainers, pushon nuts, wire forms and more. In germany, they are sometimes used as lock washers, however they are less effective than other choices. Washers are for assembly around a bolt or screw, between the bearing surface of the fastener and the part to which it is attached. Plainwashers bs4320metricseries insidediameter d1 nom.
Metric belleville spring washers metric conical spring. Rockwell hardness 3845hrc 2645hrc hotdip galvanized max min clipped width e. Spring washers work extremely well hence their use in a wide range of assembly applications. Din 127b square section din 7980 regular section asme b18. Split lock washers are a left hand helix and allow the nut to be tightened in a right hand direction only. It has a frustoconical shape which gives the washer a spring characteristic.
Mz metric, lock washer, high collar, mechanically deposited zinc the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Disc springs are used singly, or in stacks, to achieve a desired load and travel. Solon manufactures a wide variety of springs and washer sizes that meet different tolerance requirements. Metric 01 0 i r 1 2 3 4 5 6 7 8 9 10 11 12 t 14 15 a phone. Other uses are as a spacer, spring belleville washer, wave washer, wear pad, preload indicating device, locking device, and to reduce vibration rubber washer. Split lock helical spring washer size dimension table chart ansiasme b18.
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