Washer dimensional comparisons covering british bs4320 and bs3410. This is because all metric flat washers are classed within certain forms, and each form has the same dimensions regardless of manufacturer. Cant find what youre looking for or need more information. Metric, flat washer, component, thick, 188 stainless.
Washers of standard metric sizes equivalent to bs4320 form a are listed in the table below. Washers 64 brass washers 64 to 65 beveled washers 65 spring lock washers 66 to 68 tooth lock washers 69 to 611 belleville washers 612 anchors wedge anchors 71 dropin anchors 72 single expansion anchors 72 machine screw anchors 72. All head dimensions are directly related to the basic screw diameter as follows. The following tables define the sizes for metric flat washers per iso 7089. After printing, measure the ruler in the margin to ensure correct scale. Metric plain washers should be specified in the sequence. The only slight possible difference is that there is a manufacturing tolerance allowance of 1mm above or below the dimension stated in the form table. Vendor managed fasteners and industrial inventory programs. Make sure to print this chart to actual size no scaling. Extra large flat round washers metric mild steel black as1237. Metric plain washers 1 scope this standard covers general specifications and dimensions for flat, round hole washers, both soft as fabricated and hardened, intended for use in general purpose applications.
Product dimensions and weights din 125 iso 7089 specifications metric din 125 flat washers visit our online store for product availability nominal diameter d d1 s weight kg pcs m3 3. Metric hex head bolts,product grade a iso 4014 nominal size thread pitch rwtue h fgk threaded length washer face thickness fillet transition diameter underhead fillet washer face diameter head height width across flats width across corners wrenching height l 125mm washer face f20 072508 f62 hardened washer f21 072508 f91 pull dowel pin f22 072508 f91 pull dowel pin coding f23 030199 prefered metric fastener sizes moved to f2. High quality form a, form b, form c and form d washers available from fastenright ltd in a range of sizes and materials from fastenright, from m2 to m24 and higher. B washers may be clipped on one side not closer to the center of the washer than width e. If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor. Standard washers metric flat washers id od th metric s tandard f lat washers normal series, grade a iso 7089 id od t nominal size internal diameter outside diameter thickness max min max min max min 1. Machine screws iso metric machine screws are limited to four different head shapes. Beveled washers metric rondelles biseautees metrique. Specification din 125 this table define the dimensional limits of metric washers din 125 metric hex head screw iso hex head bolts, iso 4014, iso 4016, iso 4017, iso 4018.
Din 125 metric flat washers dimension specifications of flat. Split lock washers are a left hand helix and allow the nut to be tightened in a right hand direction only. Nuts m16 and smaller are chamfered on the top and the bearing surface. Un0306 extra large flat round washers metric mild steel black as1237.
Nominal washer size type type code t thickness thickness code a inside diameter inside diameter code b outside. Metric lock washers internal external tooth this product is also available in inch download pdf. A guide to common metric flat washer dimensions washers. Sizes not listed can be manufactured within 710 working days. Washers uss wrought washers 61 stainless steel washers 62 to 63 s. The data has not yet been checked against the latest revision. All dimensions in this standard are in milli meters, unless otherwise specified. Stainless steel flat washer dimensions all dimensions are approximate and for reference only. The screw and nut sizes are in accordance with bs 3692. Stainless steel 188 a2 also known as a2 stainless, 188 is the most common grade of stainless steel for general use. 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.
Metric flat washer sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 140 150 160 170 180 190 200 210 220 in 230 1 2 3 4 5 6 7 8 9 copyright 20002017 bolt depot inc. A nominal washer sizes are intended for use with fasteners of the same nominal thread diameter. Rockwell hardness 3845hrc 2645hrc hotdip galvanized max min clipped width e. The inclusion of dimensional data in this standard is not intended to imply that all sizes displayed are. Metric din 125 flat washers are standard metric flat washers a circular metal disc with a central hole. Suitable when the bearing surface is larger than the external diameter of the washer. Metric form a flat washer steel140hv din 125 a the most popular metric washer. A washer is a thin plate with a hole typically in the middle that is normally used to distribute.
Metric din 127 type b helical spring split lock washers. The spring lock washers shall be designated by the nomenclature, nominal size, the number of this standard and the surface protection, if any. Size 304a2 316a4 metric flat round washers din 433 metric grade pkt o. American metric washers size table metric washers per ansi b18. Washer sizes metric metric flat washers all sizes are in millimeters. Nuts m20 and larger may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side.
Washers are for assembly around a bolt or screw, between the bearing surface of the fastener and the part to which it is attached. Usa ansi specification for both inch flat washers and metric flat washers and european din flat washer standards. Flat washers are used to improve stress distribution, and to span large. Din 125 washer is used for hexagonhead bolts and hexagon nuts to improve stress. L 4 j plain l 4 jz zinc plated l 4 j 304ss 304 stainless steel l 4 j 316ss 316 stainless steel for screw o mm 2 2.
Iso flat washer size table chart iso 7089 engineers edge. Metric square washer mild steel hobson standard part size id side length thk pack pack wgt kg mm mm mm wsms. Metric standard flat washers normal series, grade a. This style washer is most similar to inchsized fender washers.
Flat washers are primarily manufactured to standard specifications in various sizes, materials and shapes. Component flat washers extra thick order numbers component flat washers the largest selection in the world. Metric plain washers b this product is also available in inch download pdf. Lock washers internal external tooth peninsula components, inc. All have the same internal dimension but differ in thickness and. The standard metric fastener thread series for general purpose threaded components is the m thread profile and the coarse pitch thread series. Metric, flat washer, iso 7094, a4 stainless steel specification. Download on the right to view dimensional information on this part in pdf format.
For example, m10 or m106g, by default, specifies m10 x 1. A spring lock washer of nominal size 10 mm, and with phosphate coating shall be designa ted as follows. Fastenerdata metric form a flat washer steel140hv din125a. Size d a h j t m g n phillips driver sizes head diameter height of head width of slot depth of. Mar 18, 2016 washer face thickness diameter and thread pitch s width across flats specification requirements. A style 1, heat treated fastener with a metric thread pitch.
Stainless steel 316 a4 also known as a4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Our metric washer catalog provides an easy way to browse our list of thousands of nonstandard metric sizes available with no tool charges. Nominal washer size type type code t thickness thickness code. Metric, flat washer, component, thick, 188 stainless steel. Metrics in engineering metric fasteners screws, nuts. After printing, measure the scale check below to ensure correct scale. Flat washers, metric, brass the information below lists the required dimensional, chemical and physical characteristics of the fasteners in this purchase order. Drop in anchors capsules size lenght drill depth drill size m6 25mm 27mm 8mm m8 30mm 31mm 10mm. To maximize bearing area, minimum inside diameter is calculated as approxi mately 0. When compressed by tightening the nut, the washer bites into the.
359 1647 1226 13 371 1165 1579 698 755 550 398 648 105 1629 1354 958 1484 1162 1426 537 813 633 298 853 187