You may use one of the following SI prefix after a value: p=pico, n=nano, u=micro, m=milli, k=kilo, M=mega, G=giga. Our extensive manufacturing facility in Shenzhen, China also hosts a number of 3-axis, 4-axis & 6-axis CNC machines. 1-1. com 1560. 8 is rougher than an Ra of 6. 65) Nominal dimension Tolerance Zones over to U7 S7 R7 P7 P9 N7 N9 M7 K7 J7 JS9 H7 H8 H11 G7 F7 F8 E8 E9 D10 deviations in µm 1 3 -18 -14 -10 -6 -6 -4 -4 -2 0 +4 +12. siehe auch. relates to cutting of the two mating gears’ teeth. 1 50 Adds a retaining ring groove. QSpline Shaft: Raceway Twist Tolerance (Max. m) Static mating surfaces (or datums)…. ) Unit: µm Material Tolerance SUJ2 13 SUS440C 33 Spline groove twist is measured at an arbitrary 100mm section of the effective shaft length. D. ISO Tolerance Calculator (Explained) Our tool is a fit/tolerance calculator that is addressed to students, employees, and apprentices (trainees) in all technical sectors. 6 0-0. Events & Expertise. No. 1. 000 mm. 9 6. 09 - 8. In the Metric system it is common practice to specify the key size. 2 m m (micro. As you know that ISO 286 is an equivalent standard of JIS B 0401, DIN ISO 286, BS EN 20286, CSN EN 20286 so the table will work with those standards as well. Groove depth t_2. Mezní úchylky zde definované je vhodné používat i u nekovových materiálů. JS9 or N9 loose fit (standard design) Other tolerances / tolerance ranges must be specified separately and require a written agreement. We specify a standard dimensional tolerance of ± 0. The following is the conversion chart is from dandong foundry, for Ra (um), Ra (micro inch), Rz (um), RMS and finish degree in China and USA, including the. 3 1. tapped hole, a set screw is included. . 5: 0-7. After you move to the AWS Cloud, you want to ensure that the right security settings are put in place. Mechanical tolerance. Calculate fits and tolerances for shafts and holes here. Advice from lecturer: "Be warned - when you go into industry your boss will give you a thousand things to do and he wants them done. ) interference fittingDimension(N9) Tolerance 6 2 -0. 4 years) including 21. Tolerance Change L Dimension Tolerance Changes (Precision) LKC Changes "L Tolerance" to a higher precision level. Performance, cost optimization, security, fault tolerance, service limits. Surface Finish Units From RA To RZ. 1 1. Based on standard tolerances and limit deviations in accordance with ISO 286. The calculator has been tested, but no guarantee can be given for the accuracy of the results. 11 14 13. 6-2. 5-1. com Unit: mm Nominal dimension of key 1 b×h Key dimension Keyway dimension Reference b h C l Basic Basic British ISO Metric Screw Threads Designations. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. The parallel tolerance is tighter than symmetry. This is a +/- band clearance; the value of the tolerance is equally oversized or undersized. In the MAGIC trial, MMRD and high MSI were associated with a positive prognostic effect in patients treated with surgery alone and a differentially negative prognostic effect in patients treated with chemotherapy. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. 3 R0. If independently validated, MSI or MMRD determined by preoperative biopsies could be u. 5 Indication of transmission band and sampling length. 1. Deviation in microns. 30 years ago showed that zeatin-9-(2′-deoxyriboside) ( t Z2′dR) and its monoacetyl and triacetyl derivatives were able to. 1 ถึง +0. et al. 5-0. The table is also important for. For example, Gear drives, Pulleys or Sprockets are connected securely using keys to the power transmitting shaft. As already mentioned, there are three basic components of a surface, roughness, waviness, and lay. 1-1. Created Date: 6/24/2022 11:29:26 AM. 2 7G 6T 3. The AWS Well-Architected Framework is organized into how many pillars? 5. The advantage of the Js9 tolerance is that the key can be inserted and the gear manipulated without much difficulty. Hint: For hole tolerances, tolerance zones H7, H8, H9 and H11 are used preferably. Note: Tolerance zones with thin print are specified only for basic sizes up to 500 mm. Geometric Tolerance Types and Symbols Standard symbols are used to represent elements of geometric tolerances, datum, features, and modifiers. Share N9 Meaning page. 1 8 3 +0. 022 +0. Tolerance Chart N9 Pdf Recognizing the quirk ways to get this books Tolerance Chart N9 Pdf is additionally useful. Overall design For the RNA-Seq study reported here, 73 patients were recruited with deferred consent at the time of first examination in an emergency ward based on the opinion of physicians that there was a. N9 sets: 09B (Original 9 Boyz), formerly a part of 900/9Double0/41st Side, Edmonton Green, North London. 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. QSpline Shaft: Raceway Twist Tolerance (Max. PurposeTo investigate the status of mismatch repair (MMR) and microsatellite instability (MSI) in triple-negative breast cancer (TNBC) and to examine correlations between MMR/MSI status and clinicopathological parameters. Page 12, Table 6 In Table 6, replace 25 by 26 as the value for the upper limit deviation, ES , for tolerance class H1 for the nominal size above 2 500 mm up to and including 3 150 mm. 6. 2 Q h7 E V③Keyways are made according to JIS B1301 standards, Js9 tolerance. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. 2 unless stated－未注粗糙度3. surface. The following Engineering calculator will show the plus and minus tolerance for the specific ISO 286 Shaft tolerance data. NOTE *Complete ISO System of Limits and Fits is now stored a CD KOK ISOTOL TM Computer Tolerancing Software. 1 DIMENSIONS AND TYPES OF KEYS ( see Table 1 ) 2Guvermectin is a recently discovered microbial N9-glucoside cytokinin compound extracted from Streptomyces sanjiangensis NEAU6. I am an Engineer/part time student (Mechatronics) from South Africa. It includes the following features: - Fits calculation: Upon entering the nominal diameter (of either bore or shaft), users select their tolerance classes for bore and shaft. PFEIFER INDUSTRIES, LLC. Circularity is the allowed maximum deviation of a circle from a perfect circle. 7 +0. The feeler gauze size to check the flatness of blank back surface. For tool-room and other precision work, the ordinary methods of measurement are not always accurate. Tolerance for CNC Turning is controlled by the “Class” of the part. 2 Sep-02, 2020 PO1/DTM*150 – Service period start date added. Chamfer angle. However the control of the width in this case is superceeded by the tighter parallelism callout. You have remained in right site to start getting this info. 5R 4/14 sheet Munsell ANSI Safety Purple, 10P 4. 0 17'. 0,025 NI 0,4 N5 6,3 N9 0,05 N2 0,8 N6 12,5 0,1 N3 1,6 N7 N 10 0,2 N4 3,2 25 NIl N8 50 N 12 Označbe površinske hrapavosti v risbah (JUS M. bravewords. Tolerance Material Surface Dimensions Standard Retaining Treatment Ring (1) NSFMKRR NSFMKRRA h9 (Cold-Drawn) 1045 Carbon Steel or. 8 +0. This tolerance applies to an edge, axis of a revolution, or line on a surface. 5 0. 1-2-1-2. They have inch threads and four, equally spaced slots around their circumference to accommodate a spanner. 40 0. 5 +0. For those engineers who wish to put a square peg. Calculate fits and tolerances for shafts and holes here. The value of fundamental tolerance unit is given by – Limits of tolerance for hole H7 The standard tolerance is –16 i = 16x0. The calculator has been tested, but no guarantee can be given for the accuracy of the results. ANXA3. 2 20 19 0-0. Dung sai kích thước lỗ : T D = D. Sure-Fit or Extreme Variability of Mechanical Tolerances Calculator. Basic Size. surface Designer N9. 010 -0. Immunoregulation is a highly evolved biologic response able to fine-tune inflammation and innate immunity but also able to modulate adaptive immunity and establish tolerance to self 1,2. 4-0. N9 Tolerance ISO 2768-m Gen. 4-0. 2 +0. 004-0. QUADRIVE® - BufabHrapavost površine. 1 9 3 +0. In contrast, your speedometer. Identification and characterization of ICH-2, a novel member of the interleukin-I beta-converting enzyme family of cysteine proteases. The aim is to help the designer to choose the appropriate and preferred fit tacking into account the standard uses for mechanical applications. 2 8 Q h72857 2858 1. 3 . 15 – 50. If you require a tighter tolerance, please contact us, as tighter tolerances may increase the cost of your project and have to. So if we have a hole with a nominal size of 25 mm and a tolerance class of H7, we will fit into the 18…30 mm basic size group. Revision Törnedalsgatan 1, 275 21 Sjöbo SWEDEN SC45TW New Ø9-12 mm SC45TW-S-XX P01 SC45TW Ø9-16 Contact. T. 86 - 9. * Tolerance width b of the shaft keyway tight fit P9 loose fit N9 ** Tolerance width b of the hub keyway tight fit P9 loose fit JS9. Cytokinins and their sugar or non-sugar conjugates are very active growth-promoting factors in plants, although they occur at very low concentrations. , ISO 2768) Hot Network Questions Is "I am excited to eat grapes" grammatically correct to imply that you like eating grapes?Keyway uses a smaller shaft & has a nut. N9 (Ø9 Through Hole). 0005). 8 m m (micro. The tolerances defined in ISO 286-1 are applicable to size range from 0 mm to 3150 mm but there are exceptional cases defined in the. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance « + Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. Unlock the full potential of the domain with a comprehensive review of its DNS configuration, including SOA, A, AAAA, MX, NS, and TXT records. 2 E 3. 4Max. 7. 4. ISO 2768 and derivative geometrical tolerance standards are intendedto simplify drawing specifications for mechanical tolerances. 8-1. Rotary Shafts D Tolerance h9 (Cold-drawn) / h7 (Ground) / g6 (Ground) Retaining Ring Grooves on Both Ends with Keyway QNumber of keyways can be specified up to 3. General Tolerances Tolerance ISO 2768-m. Enter your desired preferred tolerance grade and the. The tightest machining tolerances possible are in the range of ±0. TOLERANCE TABLES - ROUND BARS ISO F7 - TOLERANCES f7 Diameter mm Upper Lower over 3 & up to & incl 6 -0. Keyway Size Chart - Farrell Bearings常用するはめあいで用いる穴の寸法許容差. 7544. 2 7G 6T 3. 1 +0. 6-1-1. 05 0 : 1. 4Max. samsung note 5 sm-n920c. Clutch Release Shaft Fork - This Clutch Release Shaft Fork is used on Ford Tractors 1939 - 1954. 8-0. N7- and N9-Sugar Cytokinin Conjugates 2. 8: 7. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches. The standard tolerance for the shaft of grade 7 (IT7)= 16 i= 16 × 0. PO1/DTM*151 – Service period end date added. 7. 1 1. ISO and ANSI Standards The following tables report the. In Table 2, replace 60 by 660 as the value for the lower limit deviation, EI, for tolerance class A9 for the nominal size above 180 mm up to and including 200 mm. The actual O. A transition fitting is known as a slip or push fit for the mating parts. 5: 0-7. (Applicable retaining rings are included. 010: 0. For example, a seal with a rubber covered O. ISO System of Limits and Fits (Tolerances) do not use N9 for nominal dimensions of 1 mm or below. Material group. ISO Shaft Tolerance Chart For shaft tolerance system, Nominal sizes from 1 - 160mm DIN 7160 (8. 1 -709 1 -710 CAD Data Folder Name: 10_Slide_Screws Lead Screws-One End Stepped - One End Double Stepped-Part Number - L - F - R - T - Q -S-E- XThe following tables show standard dimensions for keys and their grooves. . 08 0. Using a comprehensive data set of thermal tolerance limits, latitudinal range boundaries and latitudinal range shifts of cold-blooded animals, this study explores. 10. . ANSI Limits, Fits and Tolerance Calculator: INPUT PARAMETERS: Parameter: Value: Unit: Nominal Size. 000 in. The tolerance zone for shaft keyway width b with normal fit is ISO N9 and with close fit ISO P9. 30. Dung sai lắp ghép. . CKs also form O-glucosides, in which glucose is linked via an oxygen atom bound to the benzene ring or N6-side chain attached to N6 atom of adenine-based CKs. Acceptance in human. com Web site: second is a P9 tolerance. S1=Tolerance of b× 2 Slope Key (Code T) 1 S2=Tolerance of h× 2 Section of Key Gib Head Key Section of Key (A-A) h2=h, f=h, e≈b Section of Key Groove h2=h, f≈h, e=b 1 S2=Tolerance of h× 2 1 S1=Tolerance of b× 2 2. 5-minutes. 3 9S 3. (Dimensions comply with DIN 6885/1) † Requires the use of chamfered keys. The first provides the charts for the fundamental deviations (G, j, etc. 25 - M 1. Rather than enjoying a good book with a cup of tea in the afternoon, instead they juggled with some infectious virus. Parallel and taper keys; Part 2 Specification for metric keys and keyways. Series 1 Series 2 P7 N7 N9 M7 K7 J6 J7 H7 H8. 000063 = R a 63. ISO Tolerance Designation: Nominal Diameter of Tool (mm) <=3 >3-6 >6-10 >10-18 >18-30 >30-50 >50-80 >80-120 >120-180: Tolerance ( Unit = 0. Allowable torque (N·m) Allowable torque (kgf·m). 2 0. If the length to be evaluated is longer or shorter than 100mm, proportionally add or subtract from the standard values in the table. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. 6-2. Upper tolerance - Upper tolerance in percents. Finished products for J Series are also. DNA, and various signaling molecules . BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. When do we need tolerances? In particular, tolerances are assigned to mating parts in an assembly. 30. Cytokinin 7- and 9-Glucosides Cytokinins can form N-glucosides, in which glucose may be attached to the N3, N7, or N9 atoms of the purine moiety. It calculates upper limit, lower limit, maximum diameter, minimum diameter and range by simply entering a basic size and selecting the desired tolerance (DIN EN ISO 286 norm). N9 N10 N11 N12 N6 0. of the seal is produced slightly larger then the bore size. m) Smooth machined surface…. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. Drsnost povrchu se předepisuje na výkresech pomocí značky údajů ke značce připojených. 1. 543 CAD Data Folder Name:10_Slide_Screws -Both Ends Double Stepped Type- Lead Screws 3L 5 4F V h7 2 D 3. 1 Application Notes See each product page for details. 9 ± 0. Surface Roughness Conversion Charts and Tables, definitions and data. Funkce stránky jsou však plně k dispozici. Then, the keyway was milled on the shaft model by using End mill sized (Universal lathe machine) mm and measure the keyway the shaft model to compare with the coordinates to reserve for the keyway in type of tolerance standard bar DIN 6885-MASHSTROY C11MT 1(1968- type A and fit work according to the system DIN ISO 286-2(1990-1)N9. 587 588 Lead Screws −One End Stepped, One End Triple Stepped− Lead Screws −One End Double Stepped, One End Triple Stepped− 3. Median age at diagnosis was 3. BS 4500 h11 h9 h7 h6 Italy UNI 468, 469,UNI 5953 h11 h9 h7 h6 Australia AS1654 h11 h9 h7 h6 1 3 6 10 14 18 24 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 3 6 10 14 18 24 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400. 6-2. 543 CAD Data Folder Name:10_Slide_Screws -Both Ends Double Stepped Type- Lead Screws 3L 5 4F V h7 2 D 3. Description. FIG. How to interpret general tolerances (e. 65 35 33 40 38 0-0. 05 0. Introduction to product submission . AusPAR PeriOlimel N4-600E, Olimel N5-860E, Olimel N7-960, Olimel N7-960E, Olimel N9-840, Olimel N9-840E; Amino acids, Lipids and Glucose, with and without Electrolytes, emulsion; Baxter Healthcare Pty Ltd; PM-2012-00805-3-1. The MLC leaf speed is kept within a prespecified maximum tolerance of 2. This kind of fitting is usually required a highly accurate alignment or tolerance between the mating parts. 2 0 QDimensions of the retaining ring groove on shaft ends (P and Q) mm TA TB d P / Q md Applicable Tolerance Tolerance Tolerance Retaining Ring 6 0-0. 20% of 1KΩ is 200. Miền dung sai kích thước b của rãnh trục có thể chọn là N9 hoặc H9. h d Cross section Cross section Cross section of the shaft of the bore of the key JIS (Excerpt from JIS B 1301-1996) Unit [mm] Key size Keyway size Applied Nominal key b h Standard Tightening type Normal type t1 t2 shaft r1 size size of diameter c or r and b×h Standard Tolerance. When do we need tolerances? In particular, tolerances are assigned to mating parts in an assembly. 6. 7. 125 inch. 8-1. Maintenance. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: info@pfeiferindustries. 13 EN 1. BSI 01-1999 1. 2 h11 h9 h7 h6 Japan JIS G3 123 h11 h9 h7 h6 h13,h12,h10,h8 Germany DIN 668 59360. Voltage tolerance against ambient temperature 5 Characteristic curves 5 Performance limits 5 Unit dimensions 6 Mounting cavity 7 Available individual components 8. Slope Key, Gib Head Key and Key Groove Key Nominal Dimension b×h Dimension of Key Groove Reference Reference Dimension. PFA-fixed cells were stained with an antibody against LC3 and assessed by confocal. 3 for h7 (Ground) and g6 (Ground) is 1. Engineering Tolerances. Classify ties as yielding or. 002 to 0. The original drawing has a separate dimension tolerance for the width -> N9 (not showed on the hereby attachment). 1-1. tolerance Enter Tolerance. , 1987 ; Grossmann et al. 32 0. Preferred tolerance grade ISO 286; International Tolerance Grades Over To Tolerance 2 6 ±0. 1. No. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches. 86 - 9. Tolerance Table for Regularly Used Fits Excerpt from JIS B 0401 Table Calculator . 0 0. 2. Preferred tolerance grade ISO 286; International Tolerance GradesA transition fitting is known as a slip or push fit for the mating parts. 2 3. 0938. Drawer Date. Related Mechanical Tolerance Design Data . Also see Table of Shaft Tolerances per. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. 05 Not applicable to h9 (Cold-Drawn). O9B, 900/9Double0/41st Side, AFG and 4oreside. Since an Ra 7. 4: 8. Item 8. MADHUSUDAN SONTHALIA. Hrapavost površine je u općem smislu mikrogeometrijska nepravilnost površine, koja nastaje tijekom postupaka obrade ili drugih utjecaja. 5 m m (micro. ) shall not be used for basic sizes less than or equal to 1 mm. 710. 5, 1 Page 134 Precision: N10 Material: Polyacetal (SUS303) Series NSU Plastic Spur Gears with Steel Core m1 ～3 Page 136 Material: MC602ST (S45C). 006 inch. 022 over 6 to 10 -0. ISO system of limits and fits Part 1: Bases of tolerances, deviations and fits per. Hole-Drilling , Tolerances , Fitting; General Tolerances(Excerpt from JIS B 0405 1991/JIS B 0419 1991） BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. 9-1. ANSI tolerance calculator is applicable to non-threaded cylindrical parts. The usage of these tolerances is advised for economic reasons. In Solidworks Hole Toolbox, what is Thread Minor Diameter according to DIN 13-1. 65) Nominal dimension Tolerance Zones over to u8 s6 r6 p6 n6 m6 k6 j6 j7 js7 h6 h8 h9 n11 g6 f7 e8 d9 deviations in µm 13+32+20+16+12+10+8+6+4+6+5 0000 -2 -6-14-20 +18 +14 +10 +6 +4 +2 0 -2 -4 -5 -6 -14 -25 -60 -8 -16 -28 -45 N1 to N8 and also N9 to N18 for sizes for which 1 mm < nominal size ≤ 3 mm, as well as nominal size > 500 mm: 7: N9 to N18 for sizes for which 3 mm < nominal size ≤ 500 mm ISO System of Limits and Fits (Tolerances) do not use N9 for nominal dimensions of 1 mm or below. ) Unit: µm Material Tolerance SUJ2 13 SUS440C 33 Spline groove twist is measured at an arbitrary 100mm section of the effective shaft length. r2. 5-2-0. Date of Finalisation 2 October 2013 Page 4 of 24 . 001 to 0. 2 +0. Looking at the IT7 tolerance grade, the chart gives an allowed variance of 0. 31 8 0. Order ANSI Colors by Selecting Any of the ANSI Color Standards Below Munsell ANSI Safety Yellow, 5Y 8/12 sheet Munsell ANSI Safety White, N 9/ sheet Munsell ANSI Safety Red, 7. QSpline Shaft: Raceway Twist Tolerance (Max. , 1987 ; Grossmann et al. 2）all welds 3mm fillet unless otherwise state－未注焊角高3mm. 9: 0-6. In order to transmit rotation from the shaft to the hub of gear wheels, pulleys, sprockets, couplings, flanges and other coaxial parts, rigid and frictional joints of various types are used. 030 2. 01/100 Not applicable to h9 (Cold-Drawn). 4. 5 +10 +14 +60 +12 +16 +20 +28 +39 +60Dung sai được ký hiệu là T (Tolerance) và có các công thức tính dung sai ( công thức tính sai lệch giới hạn ) như sau: Dung sai kích thước trục : T d = d max – d min hoặc T d = es – ei. The tolerance zone is also defined as a spherical zone limited by the upper and lower limit dimensions of the part. maximum 45 deg chamfer or radius r_1. ) can be calculated. Biol. 3 16 15. Many recent philosophers. , ISO 2768) Hot Network Questions Is "I am excited to eat grapes" grammatically correct to imply that you like eating grapes?Voltage tolerance against ambient temperature 5 Characteristic curves 5 Performance limits 5 Unit dimensions 6 Mounting cavity 7 Available individual components 8. ISO tolerance to DIN 748, DIN 7160, DIN 42948 . Děkujeme. Mühendislikte tolerans herhangi bir ölçüde izin verilen varyasyon limit veya limitleridir. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keysTolerance classes for roller bearings are covered by the RBEC classifications contained within the same standard. 1 ScopeThis British Standard relates to the following types of keys and keyways with dimensions in millimetres: 1) square parallel,2) rectangular parallel,3) square taper, gib-head and plain,4) rectangular taper, gib-head and plain. 7. 15. IN A 154. Rotary Shafts D Tolerance h9 (Cold-drawn) / h7 (Ground) / g6 (Ground) Retaining Ring Grooves on Both Ends with Keyway QNumber of keyways can be specified up to 3. 4Max. Select the Woodruff Cutter from the tool menu (Note: Keyseat cutters are referred to as Woodruff cutters for feeds and speeds): 4. 02 mm, but for fine tolerance they are not effective. 00Fits and tolerances go together in determining the assemblage of the components of a product. . Tobacco protoplasts that transiently expressed Zm-p60. 2。 2．技术要求. 010 -0. 6-2. ISO Tolerances for Shafts (ISO 286-2) ISO Tolerances for Shafts (ISO 286-2) Nominal Shaft Sizes (mm) over. 7327 = 7. This is a very small number, typically less than 1/1000 of an. 3 N10 500 12. Gen. Chem. Fits and tolerances calculator. 1. The tolerance of a size is defined as the difference between the upper and lower limit dimensions of the part. , Ltd storefront on EC21. Only the pulley end of the shaft is different & the outlet fittings can be swapped as needed. Fits and tolerances calculator. HTML preprocessors can make writing HTML more powerful or convenient. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: [email protected]. Mechanical Tolerance Chart Data. The tooth contact must be full and even across the profiles. 0. They also go by #BR9 , #AFG , and more names.