Cut it to length to create the machine key you need. See dimensions W and h in Figure 1. Min. 1 Square Keyway Tolerances Minimum 2. B5 "D" TYPE FLANGE AT DRIVE END, NO FEET. 03 mm to 130. It may be mildly magnetic. Keys shaft rectangular types key chart hub designs tapered machine selectionStandard keyway size chart Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k. RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. Also known as offset key stock, use step keys to repair keyways in gears and shafts. Shaft Diameter. PARALLEL KEYWAY DIMENSIONS - METRIC - BS4325:1 1972. Available for thread M 10x0. S. Face Width Face width is limited in its maximum dimension to allow proper clearance to provide for chain engagement and disengagement . £ 32 95. 2. ANSI Woodruff Keys. 1 Square Keyway Tolerances . B r o n z e. Fractional inch and metric are measurement systems used to express the size of items that have standard trade sizes. Metric keys conform to DIN 6888 standards. 2 keyway js9 tolerance chart orientation sutd edu web shaft metric keyway dimensions per iso r773 p9 width tolerance h and metric key amp keywayThe DA17 sets cover the keyway size range from 1/16″ to 3/4″, and the DA-18 sets cover the range from 7/8″to 1-1/2″. S. Slightly smaller than the size listed in the table, undersized keys are the choice. Keep metal snap-in plugs of various sizes on hand to solve whatever problems arise. Engineering Information Taper Metric Key and Keyway DimensionsPer BS 4235-1:1972: Specification for metric keys and keyways – Parallel and taper keys. 1265 0. 002. The common specification dimension, Key Size, is highlighted. 4. radius. 19-1997. The size of gear teeth is expressed by its pitch called module unit. Keyway lengths should be less than 1. 3. 8mm 3. PARALLEL KEYWAY DIMENSIONS - METRIC - BS4325:1 1972. The collar rests on top of the workpiece rather than being supported from below. O. For dimensions in millimeters, multiply inch values, except thread diameters, by 25. Key dimensions: Parallel keys are most commonly used. Steelmans manufactures and exports the complete range of :-. It also determined the range or size of. The shaft keyway and hub keyway dimensions according to ISO 6887 - taper keys with gib head - are equal to those in ISO 6886 KEYSHAFT Keyed Shaft, Diameter 3/4 in, Keyway 3/16 in x 3/32 in. atomarc Posts: 264 Joined: Sun Oct 04, 2009 12:13 am Location: Eureka, California. All types of Keyway, Internal hole, and Surface Broaches in both inch and metric sizes are available. Keyway Chart Seals Specification & Size Listings. These metric set screws have good chemical resistance. In inch or metric sizes. Information used with permission ot Martin 02007 Shatt Keyseats/Hub Keyways Standard Keyseats/Keyways Sra' IoW Square Keyways Metric: WxHKey W x T2 Keyway American Standard — Inches Shan 6. ICZW Keyway Broach Set HSS Keyway Cutting Tool for Lathe Metric Size Broaches with Bushings and Shims (22 pcs) 1 offer from $314. Also known as jaw couplings, use them to connect motors to pumps, mixers, and other high-torque equipment. 05 to 48 in. 1 for Js9 Dimensions) Key & Keyway Dimensions Millimeters Coupling Hub Keyway. 0000 /-. Keyway Dimensions. They are useful for shaft end. For example: a keyway. Attach tool holders such as collet chucks and end mill holders to your CNC machine’s spindle. Shaft: Key: Keyway: Nominal Diameter d: Section b x h : Width Shaft & Hub b: Depth. fStandard Metric Keys & Keyways for Metric Bores with One Key Couplings. 1 / 0 +0. View available parts by clicking on the following link: DIN 6885 Parallel Keys High Type “A”When a keyway is damaged, cut a new, wider one. Keyway Depth. H is measured Perpendicular to key. Depth of keyway is measured at CENTRE. The following tables show standard dimensions for keys and their. AUTOMATION & IIOT. A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. Choose from our selection of metric keyway broaches, including keyway broaches, keyway broach sets, and more. Shaft keyseat dimensions and tolerances were. 8. 1-800-ASK-4WEG Sales 1-800-839-2529 Warranty 1-800-ASK-4WEG After Hours Sales Select after hours option 1-877-WEG-DRIV Drives Tech Support NEMA Standard Dimensions IEC Critical Dimensions2. Related: Shaft Arbor and Keyseat Dimensional Data American National Standard Keys and Keyways; Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Also referred to as. Coping with foreign bore and keyway standards | Machine Design. 60 4. Question: Metric Key Keyway Dimensions Per ISO/R773. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. Key & Keyway Dimensions Millimeters Shaft Diameter. C o m p o s i t e. 2 tolerance from 26 24 ex vat answer to metric key keyway dimensions per iso r773 js9 width tolerance t2 key amp iso keyway tolerances p9 help environment harvard eduThe metric system does not refer to keyseat or keyway dimensions as does the English system. Table 1 Inch size bore diameters . G&G Manufacturing Company 4432 McKinley Street P. 392. Thin parallel tkeys and their corresponding keyways (Dimensions in millimetres) Clavetage par clavettes paralldes minces (Dimensions en millim&res) First edition - 1974-08-15 UDC 621. Size Drill Diameter D1 Body Diameter D2 Drill Length L1 Overall Length L2 mm mm mm mm 1. 0350 62 . Undersized metric keys meet DIN 6885 dimensional standards. = 1. Keyways are British Standard Metric BS 4235: Part 1: 1972 DIN 6885 and conform to ISO recommendations with the exception of those marked* which are shallower. imperial keyways diameter key size (nominal) shaft hub width depth width depthMetric standard keyway sizes_联轴器厂家-guangzhou link automation140pcs assortment 30mm keys 16mm x20mm 10mm Sae to metric conversions for hex keys chart imageFwb lengths metric. The key and key seat cross section are ISO standardized. Groove dimensions keys DIN 6E-ga Shut 1 (With • 1972. Keys shaft rectangular types key chart hub designs tapered machine selectionStandard keyway size chart Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k. thinwall — metric insert installation removal carbon part no. Width b: Depth : Radius R: Nom: Tolerance Class: Shaft t 1:. com. Specification for metric keys and keyways – Parallel and taper keys BS 4235-1:1972; Matching the woodruff key to the shaft diameter is also specified in DIN 6888- inch bores with metric keyways; - metric bores with inch keyways; - metric bores with metric keyways; or - shaft keyseat tolerances. 510. --keyway dimensions Keyway sizing chartDimensions standard keyseat keyway shaft shafts diameter nominal. 20–21 Special Broaches Special Broaches to almost any specification in Push or Pull-Types. 2500 0. Tapered Shaft End and Mating Hole with Slotted Nuts Design Data Dimensions Per. Choose from our selection of metric shafts, including over 5,200 products in a wide range of styles and sizes. The dimension from the top of the keyway to the oppositeMost popular Metric size Square and Hexagon Broaches available from stock. Palight ProjectPVC 156249 Palight . Woodruff key is a easily adjustable key, with a hammer blow to the key. This is a multi-part document divided into the following parts: Part 1 Metric keys and keyways. Custom shaft sizes and key sizes. ANSI/AGMA 9112-B15 describes sizes and tolerances for straight and tapered bores and associated keys and keyways, as furnished in metric flexible couplings. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. 000 +. ISO Standard. Fractional Inch; Metric; Keyway Width. 5. The KenCut KS design offers a true 90° wall straightness due to tapered peripheral edges - creating a defined. Square keys. 25 8. 3 10 8 39 44 12 3. For more information, contact our sales department at 906. --keyway dimensions Keyway sizing chartDimensions standard keyseat keyway shaft shafts diameter nominal. DIN 1481. The dimensions and tolerances of interference fit keys shall be given in Table 10 and Table 11. Sizes are clearly marked on each piece. Standard External Metric. Use our Metric Keyway Calculator or Imperial Keyway Calculator to work out the stresses in parallel key and keyway. keyways available upon request. Available in corrosion resistant Zinc Clear finish. 0 72190 6. 5: 4 center of the keyway. Table 1 details the appropriate key slot and key sizes for various metric bores. 094 0. Motor encoder units . 018: 4: 0 -0. Shims are manufactured with high quality steel. 3145 1. REFERENCE DEPTH. Canada also uses imperial measurements in some circumstances, though officially, the correct unit of measurement in Canada is the metric system, which. 5mm) wide which is cut on our KEYSEATER. The common specification dimension, Key Size, is highlighted. Key dimensions: Parallel keys are most commonly used. The dimensions and tolerances of interference fit keys shall be given in Table 10 and Table 11. The common. 125 32 7,4 125 125 125. Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. Choose from our selection of keyway cutters, including keyseat end mills, keyway broaches, and more. PT6-11. DIN 6888 Woodruff Key ; The dimension of DIN 6888 woodruff key as below: b x h d2 mm l mm t1 mm t2 mm 1. Filters Suggested Categories . They are semi-circular, and fit into a Keyway shaped as a circular-segment in the shaft and a rectangular slot in the mating part. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. SAE Standard. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance «. 1250 0. Recommended uniform relationship between shaft diameter and key sizes for parallel and taper keys. 8M ; BS ISO EN DIN 20898-7 Mechanical properties of fasteners: torsional test and minimum torques for bolts and screws with nominal diameters 1–10 mm ; BS EN ISO 10642. Keyway key parallel jis sizes tolerances 1301 mm 1996 pulley excerpt unit techKeyway metric Table aii-12. The L Type coupling consists of two standard L Type hubs and one spider. WIDTH. Keyway misumiKey and keyway dimensions. X. The keyway dimensions are also different from the English system. 120 32 7,4 120 120 120. Key Size. Products must be available in many sizes, to fit a variety of design envelopes – and avoid the need for customised parts. It is also possible to become a BSI member and obtain copies ofthe Standards at much reduced prices. Special keyway configurations. QD METRIC BORES PAGE PT6-22. This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. 66 2. We can manufacture from your part prints or custom-design for your applications. For technical drawings and 3-D models, click on a part number. 5 +. Woodruff Key Number: Wd. We can manufacture from your part prints or custom-design for your applications. The collar rests on top of the workpiece rather than being supported from below. l. PARALLEL KEY DIMENSIONS - METRIC - BS4325:1 1972Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance. js9 widthMetric key keyway dimensions Gates belts, hoses, and applications: standard & non-standard shaft keyShaft keyway tapered taper keyways bores wxh. If two setscrews are ordered, the second setscrew is 90º clockwise from the first. 2-1967 (R1998) - Engineers Edge. They're available in metric sizes. Imperial systems use inches and feet, and these are the standard units of measurements in the United States. Title: CenterClean Data SheetKeyway Formulae Inch Square (Preferred) Parallel Keys and Keyways (ANSI B17. British Standard :BS 46. 20–21 Special Broaches Special Broaches to almost any specification in Push or Pull-Types. Broaches are for use in hand and hydraulic arbor presses and are great for maintenance and short-run production operations. 1 Iso Keyway Tolerances P9 Pdf Getting the books Iso Keyway Tolerances P9 Pdf now is not type of inspiring means. Machinable Shaft Ends. Metric Keyway Calculator. For more information, contact our sales department at 906. Min. Metric: OD. 4mm 1mm 1. Nominal Size Square Key: Cutter Hole & Keyway. 424 Minimum 2. Pulleys Size Chart - Pulleys Size Chart Show results for Filters. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance «. Standard Keyways: (Used on all of our shafting) “Plain” Shafting available on all Steel grades. Metric square keys assortment (m4 thru m8)Keyway metric Standard metric keys keyways for metric bores with one keySquare metric keys assortment thru m8 m4 hillman. Canada also uses imperial measurements in some circumstances, though officially, the correct unit of measurement in Canada is the metric system, which includes meters. Flat — The tip makes good contact on flat surfaces. At Eagle Tool, we stock a full line of both standard and metric keyways, held in an oversize condition, so that we can alter to suit your immediate needs. Taper metric dimensions keyway key bs 1972 keyways keysKeyway sizing chart Standard and metric keyway broachesMetric woodruff keys are supplied to din 6888 / iso 3912 in c45k key. Standard External Metric Thread and Fastener Sizes M 0. 3. gathering dust, and have been for a few years. Keyway (Shaft. ANSI Woodruff Keys. Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends. Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)* From. Roller encoder units . 5000 2. Keyway Dimensions. !. 2 metres. 053. Note: Broaches have a. (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. , New Berlin, WI 53151-7953 March 2015 (PDF revision) Telephone: 262-796-4060 Fax: 262-796-4064 Supersedes 07-2006. 1. * Imperial keyway sizes on round bores conform to ANSI standard B17. 04 in inch mm > 0. 542. They have a high helix angle and a wear-resistant coating for excellent shearing and chip removal in stainless steel and titanium. 14 mm. 3mm 2. pdf), Text File (. Also, T1 and T2 are. 5000 2. Fully-threaded, headless screw with a hex drive at one end and a protruding tip with a flat surface at the opposing end. 000 / +0. . Mill Thickness. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 45mm. In 6 years, I've used the metric set to cut about 10 keyways. Min. Please note that the key sizes in parentheses. 5020 2. Max. 5 mm 2 mm 2. Bushings rest inside the arbor hole of your workpiece and act as guides to ensure rigid and accurate keyway cutting. Detailed. Shaft keyed keyway aluminum diameter grainger length motor shafts close. High-Speed Steel Square End Mills for Aluminum, Brass, and BronzeAvailable bore size metric square N/A N/A 40 40 40 40 40 40 40 40 metric round 30 30 30 30 30 30 30 30 30 30. C o p p e r. 377 Minimum 1. Standard metric keys & keywaysGuide for shaft keyway design, shaft key size calculation and selection Metric key keyway dimensions per iso/r773. Standard Keyways and Setscrews Diameter of Shaft Keyway Width × Depth Setscrew Diameter of Shaft Keyway Width × DepthZip/Postal Code *. 5 5 5 5 dimensions (mm) shaft la b5 flange b14 flange t 6313/6313 6313/6313 6318/6313 6318/6313 l e c b h a 3 d db eg m p n t 45° la s b14 flange s 45° b5 flange m t p n b3b 5b 6b 7b 8b 14. 1 / 1 6 " 3 / 3 2 " 7 / 6 4 " 1 / 8 " 5. Are there any standards for Metric bores and / or keyways? There many standards that cover the topics of metric bore tolerances, fits and keyway sizes. Metric Key & Keyway Dimensions Per ISO/R773 – D10 Width Tolerance ‡ Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – InchesUse individual keyway broaches in a variety of arbor hole sizes. Non standard bores and over the keyways. Max. 5000 2. Each tooth’s cutting edge is a few thousandths of an inch larger than the one before. Applications include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors. all dimensions in inches. This catalog covers the features, benefits, dimensions, selection, and installation of various jaw type couplings, including the industry-standard L type. 1/2 2-1,2 R Cutter Run-out '3/16 '9/16 1-1116 1-11/16 2-7/16 1/2t03/16Most popular Metric size Square and Hexagon Broaches available from stock. 76 1. 774. Metric standard for 2 keyways in a shaft (180 degrees apart) Metric standard for 2 keyways in a shaft (180 degrees apart) Mannes Karsten (Petroleum) (OP) 4 Oct 19 13:41. 5020 2. keyways available upon request. Divide that number by 3. (Square) Max. This is the most popular series of metric washers that is coupled with KM series metric locknuts. 1250 0. Minimum hardness, tensile strength, yield strength and. The unit of measurement for dimensioning should be in accordance with the policy of the user. 2. Metric woodruff keys are measured in millimeters (ISO standard) or in micrometers in more precise applications, though the latter is very rare and usually only applies when. Woodruff keys and keywaysHigh-Torque Set Screw Flexible Shaft Couplings. 25 9. thck Nom Free Normal Close/Int - - - -. ANSI B17. BOX 2400 FORT SMITH, ARKANSAS 72902-2400 U. 3mm 3. 5. Machine keyway to recommended size and tolerance listed per Table 4 on Page 3. pdf. You are here: Home > Knowledge Base > Standard Keyway Dimensions. 10-24. 5 +. Min. Metric Standard Parallel Keyway and Key Sizes. 4235 : Part 1 : 1972) Inch Square Parallel Keys & Keyways (B. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft becomes twisted when loaded in torsion. Shaft Collars. BS ISO 4156:2005_1: Straight cylindrical involute splines. Keyway dimensionsKeyway aii Metric keyway tolerance chartShaft and hub keyway dimensions. 5 Material metric round UHMW-PE * Imperial keyway sizes on round bores conform to ANSI standard B17. Cartener Pulley Keyway Key - Square Key Stock 60pc - Keyway Stock, Keyway Tension, Keyway Blank - Keyway Plastic Box - Flywheel Keys - Pump Shaft Key - 1/4 Key Stock - 3/16 key stock. For inch size bore diameters, refer to the table below and specify in millimeter increments. sizes with 2 to 250+ pitch. 1. Where a key is to be used it should be parallel and side fitting with top clearance. We can also make special pre-keyed shafts (English or metric) with single, multiple, or interrupted keyways in diameters as small as 1/. 1263 1264 [technical data] tolerances of regularly used hole fits excerpts from jis b 0401 （1999） 77 － 56 － 67 － 46 － 56 － 38 － 51 － 33 － 43 － 28 － 36 － 24 － 30 － 20 － 166 － 131 － 146 － 111 － 121 － 91 － 106 － 76 － 86 － 61 － 76 － 51Bushing Diameters (Bore Sizes) The most common metric keyway combinations for medium-sized keyways and bores. We also cut keyways in blind hole conditions, including blind keyways with a groove relief at. Square keys. The intent of this document is to offer designers and users of flexible couplings preferred dimensions, tolerances and fits for metric bores and keyways. 0. Hole and Keyway. Shaft standard key sizes rectangular gates keys diameters most non std readily available Shaft. Bore (F8) b h inch inch inch 1008 1108 1210 1215 1310 1610 1615 2012 2017 2517 2525 3020 3030 3525 3535 4030 4040 4535 4545 5040 5050 3/8 1/8 1/16 7/16 1/8 1/16 1. Keyway dimensionsMetric key keyway dimensions per iso/rtt3 js9 width Inch keyway chart ansi agma shaft key width b4 dimensions diameter nominal reference motor electricKeys keyway metric standard keyways sizes engineering shaft key parallel square fit fits mechanical data rectangular british limits figure. Metric keystock is used to accommodate metric keyways. 118" White St-10 24"X48"Dimensions in: inches - millimeters Inch table. 1 10 121 4 4 R0150 0150 1 8 1. The rods are bent to 90º, forming two. The dimension from the top of the keyway to the oppositeMost popular Metric size Square and Hexagon Broaches available from stock. Engineering Hardware Design Data. MM Bore and Keyway dimensions conform to ISO standard recommendation R773, for Free fit * Verify torque capability. . Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. While a designer is free to specify any keyway they wish, straying from the standard option is likely to increase the cost, time, and complexity of the part. Slightly larger than the size listed, these oversized keys offer a tight fit in worn keyways. 048: 0. Dec. 125 inches (4. 2500 1. Possesses an oval-shaped point on the end opposing the flush. Cylindrical and 1/10 conical shaft ends — Addendum 1: Checking of the depth of keyways in conical shaft ends. Slightly smaller than the size listed in the table, undersized stock is the choice when you need a slightly looser fit or. Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts. Offered in Carbon Steel and Stainless Steel materials. Metric: W x H Key W x T2 Keyway. metric bores. 1 Square Keyway Tolerances Minimum 2. Press it into place for use in high-torque applications or to replace a key in a worn keyway. Huyett custom manufactures machine keys of these types and others in your choice of size, material, and tolerance. Socket Set Screws Mechanical Properties ASME B18. 0635 0. Woodruff Keyways & Keys. Metric Key Keyway Dimensions Engineering Hardware Design Data ISO Hardware Specifications Table Metric Key Keyway Dimensions Per ISO/R773 Js9 Width. Box 12086 Omaha, NE 68112-2086 Rectangular keys. Thin parallel keys and their corresponding keyways (Dimensions in millimetres) Thin taper keys with or without gib head and their corresponding keyways (Dimensions in millimetres) Straight cylindrical involute splines — Metric. 5 x 15. Standard and metric keyway broachesTable aii-12. Keyways Index. See dimensions W and h in Figure 1. 1 -1967 (2004) standards for metric and inch unit systems. Keyway. But ensure the weakened shaft can support the load. 4 Dimensions and tolerances4. 00 #46. Keyway broach 1/16 to 1-1/2 inch, 2. 350 Maximum 2. 0005 50 mm ISO k6 > 1. Also calculated are the overall measurements for shaft and bore, as well as the chord height. Type C - Keys with both ends round hole for one retaining screw (for sizes 8 X’7 and ANSI woodruff size charts express measurements in inches and nominal key sizes with higher numbers corresponding to bigger keys. Keyway Shims Broach Style # V, sorted by For Keyway Size, ascending. 02/-0. 46: Part 1 : 1958). Hub keyway depth is one-half the nominal height of the key and measured from the side corner. Our Price: $23. info@tnnengineering. Key stock assortments are maintenance kits containing various sized key stock cut into more manageable 12 inch (305mm) lengths to accommodate commonly used key sizes. KenCut™ KS keyway milling cutters are the ideal solution to machine key slots for a shaft-to-hub connection. In addition to the standard numbering system for frames, there are some standardized variations that are denoted by the following suffixes to the NEMA number. Sizes, Shafts, Keyways. Keyways will be. The Keyway dimensions are also different from the English system. 0232 71 . com Web site: (t) - DIM KeywayLag Screw Metric Size and Dimensions per. Keyway (Hub) Keyway. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. For dimensions in millimeters, multiply inch values, except thread diameters, by 25. Metric Keyway Calculator. 5555 S. Contact your local Baldor office for “L” Dimensions. The KenCut KS design offers a true 90° wall straightness due to tapered peripheral edges - creating a defined. Imperial systems use inches and feet, and these are the standard units of measurements in the United States. keyway and corresponding key sizes for English shafts are listed below in Table 1. Hello, Does anyone know if there's a metric standard for a shaft that has 2 keyways, spaced 180 degrees apart, but both in the same axial place on the shaft. RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. Keyway metric dimensions keys. web metric key keyway dimensions per iso r773 js9 width tolerance keyways will be furnished per iso r773 and js9. , Ltd. Select your units as required. I'. Keyway Chart. 2 Normative references The following standards contain provisions which, throughreferenceinthistext,constituteprovisionsof this American National Standard. In stock and ready to ship. Interference Fit Bore Tol. 628 in)using a locking plate are low-profile-series lock nuts for nominal thread diameters ranging from 9. 3mm 2. Instead, key dimensions are specified. Key dimensions: Parallel keys are most commonly used. 000 -0. 2 mm. All types of Keyway, Internal hole, and Surface Broaches in both inch and metric sizes are available. 202 to 1012 Height Width Diameter Actual Length Full Radius Flat Bottom Distance Key Below Center No. 2510 0.