N9 tolerance. 05 0 : 5×5: Over 13 and 20 or below: 5: 5: 5: 3. N9 tolerance

 
05 0 : 5×5: Over 13 and 20 or below: 5: 5: 5: 3N9 tolerance  30

This is an undersized clearance. 05 Not applicable to h9 (Cold-Drawn). The tolerance of the shaft bore dimension deviation of the gear blank. 25 1. L1 MO1 DTolerance Chart N9 Pdf Recognizing the quirk ways to get this books Tolerance Chart N9 Pdf is additionally useful. 010 -0. Revision Törnedalsgatan 1, 275 21 Sjöbo SWEDEN SC45TW New Ø9-12 mm SC45TW-S-XX P01 SC45TW Ø9-16Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. 2 3. 02 mm, but for fine tolerance they are not effective. interchangeability. of keyways can be. Since an Ra 7. O. is sooooo goodlooking and is not declining. As this Tolerance Chart N9 Pdf, it ends going on subconscious one of the favored book Tolerance Chart N9 Pdf collections that we have. 1。 5)surface finish 3. 6. 2 Q h7 E Vthe general tolerance values of *0,3 mm would be quite adequate. 60 3. The tooth contact must be full and even across the profiles. Although some research has reported that N9-glucoside cytokinin compounds do not have the activity of cytokinin, it has been noted that guvermectin can promote growth and antifungal activity in Arabidopsis. ISO and ANSI Standards The following tables report the. 10. Price Adder D H 6~17 1 18~40 2 50 3 D d L1 6 5 4 8 7 10-0. They have inch threads and four, equally spaced. Box 588 1619 Kempton Park +27 11 2304000 +27 11 3941232 info@pferd. Drsnost povrchu se předepisuje na výkresech pomocí značky údajů ke značce připojených. Tolerance / ± Min. Tolerance Change L Dimension Tolerance Changes (Precision) LKC Changes "L Tolerance" to a higher precision level. The most commonly used tolerancing system for shafts and holes is detailed in ISO 286-1 & 286-2. 18. 0000,-0. N7- and N9-Sugar Cytokinin Conjugates 2. This section reports a summary of the available information that can be found on technical literature about the fit tolerance between shafts and holes. A4 1:5 5. 3)angular tolerance±1°-角度公差±1°。 4)dims tolerance±0. ANSI tolerance calculator is applicable to non-threaded cylindrical parts. If the bore diameter is less than φ4, the bore tolerance class is H8. 1 1. 8 Detailed Keyway b t r 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. zaMachining surface finish chart, comparator, method, degree, Ra, Rz, RMS. About Us. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. Hole and Shaft Tolerances range from greater than 0 to 500 mm. 5-1. CNC Turning Tolerance is the smallest size of a machined metal part that can be successfully machined to a specify tolerance. 9-1. N6 = 0. TECHNICAL DATA DIMENSIONAL TOLERANCES AND FITS. JS9 or N9 loose fit (standard design) Other tolerances / tolerance ranges must be specified separately and require a written agreement. ISO 2768 and derivative geometrical tolerance standards are intendedto simplify drawing specifications for mechanical tolerances. 3 R0. 25 - M 1. R defines the following functions: array_or_vector-class: Auxiliary Class "array_or_vector" asNumeric-methods: Methods for 'asNumeric(<mpfr>)' atomicVector-class: Virtual Class "atomicVector" of Atomic Vectors base-copies: Base Functions etc, as an Rmpfr version Bernoulli: Bernoulli Numbers in Arbitrary Precision Bessel_mpfr: Bessel. Standard External Metric Thread and Fastener Sizes M 0. 3 Jan-04, 2021 PO1/SLN/N9*4C – Storage location number addedHot Drop Die Close Spindle Forging Parts(id:8372286), View quality Forging parts, Forged parts, steel forged components details from Ningbo Yinzhou Very Metal Processing Co. Wang et al. 207. 847. , P hi SECTION XX P TYPE A B I--’ SECTION YY t- TYPE C D TYPE E lb) [*I ib) TYPE F fi!zzB SECTION XX @ SECTION SECTION 2. ISO Tolerances for Shafts (ISO 286-2) ISO Tolerances for Shafts (ISO 286-2) Nominal Shaft Sizes (mm) over. 5/10 sheett P and Q b Tolerance t (N9) Tolerance 8 or 10 3-0. The tolerance of a size is defined as the difference between the upper and lower limit dimensions of the part. Toleranslar performastan ödün vermeden izin verilecek. The symmetry tolerance zone is bordered by two planes (magenta) which are ideally parallel to the shaft centerplane and 0,08 mm apart (drawing is metric). 010: 0. 5 VBA | GUIDE TO STANDARDS AND TOLERANCES 2015 3. Also see Table of Shaft Tolerances per. A total of six hundred thirty patients were randomly assigned to receive rCOJEC (n = 313) or MSKCC-N5 (n = 317). Runout of Splinef BS 4999-141:1987. 2 3. Delik Mil Toleransları, Delik ve Mil Tolerans Tabloları ve Geçmeler. If you desire to droll books, lots of novels, tale, jokes, and more fictions collections are as well as launched, from best sellerQSpline Shaft: Raceway Twist Tolerance (Max. However, DHZ-N9-G, ZN-9-G and iP-N9-G contents increased respectively by 18 %, 33 % and 37 % in roots of water deficit-stressed M plants,. The advantage of the Js9 tolerance is that the key can be inserted and the gear manipulated without much difficulty. 25 2. 40-1. $ 139. Micrometer and verniers calliper can be used to check tolerance fine within 0. JIS B 0401-1. 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. Read more:N9: O: Nylon teeth with steel hubs that can have keyways and set screws added. Modi˜cation standads | Page 1421 DIN 6885* Keyway, key details Extract Page 2 heavy type for machine tools d b P9 / JS9 Hub keyway b P9 / N9 Shaft keyway h t 1 = d + t 2 t 2 t 3 = d – t PFEIFER INDUSTRIES, LLC. 4-0. Address: PFERD-SOUTH AFRICA (PTY) LTD 32 Derrick Road, Spartan / P. If you require a tighter tolerance, please contact us, as tighter tolerances may increase the cost of your project and have to. 002 to 0. Attenuation tolerance Impedance VSWR Termo Sensitive characterristic Operating frequency Rated power Operating temperature Packaging quantity Features Simple solution for compensation for the temperature drift of GaAs amplifiertests/tstHexBin. Where: Ra = Roughness, average in micro-meters & micro-inches, RMS = Root Mean Square in micro-inches, CLA = Center Line average in micro-inchesMarch 2006 DIN 5480-1 Splined connections with involute splines based on reference diameters — Part 1: Principles Passverzahnungen mit Evolventenflanken und Bezugsdurchmesser — Teil 1: GrundlagenTolerance. The parallel tolerance is tighter than symmetry. What is an acceptable tolerance for a non-engineering dimension. Ordering Code LKC EL<500C L±0. This could be a location c. Clutch Release Shaft Fork - This Clutch Release Shaft Fork is used on Ford Tractors 1939 - 1954. 030 2. The most commonly used tolerancing system for shafts and holes is detailed in ISO 286-1 & 286-2. and tolerance to O6-methyl guanine adducts in DNA. This is a very small number, typically less than 1/1000 of an. Construction. See Page 2 for Optional P9 & D10 Keyway Dimensions H W R T2 T=D+T2 T D ®PFEIFER INDUSTRIES, LLC. to DIN 7157, 1. 6-2. K. Mismatch repair (MMR) was. Calculate fits and tolerances for shafts and holes here. 1)all welds continuous unless otherwise stated-未注焊缝均为连续焊. 01 0. The letters indicate the clearance while the number specifics the precision or tolerance. You have remained in right site to start getting this info. Small: 2 inches +/- 0. 1 1. Detailed width tolerance information is best drawn from the manufacturer. 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. 10. 3: 0-11. 4-0. N7 = 1. 2 Plain Bore Style Pulleys In larger plain bore style pulleys, a keyway must be machined into the bore with the correct tolerances. 2 0. 35 25 23. m) Bearing Surfaces…. ISO Tolerance Calculator (Explained) Our tool is a fit/tolerance calculator that is addressed to students, employees, and apprentices (trainees) in all technical sectors. Tolerance Chart N9 Pdf Recognizing the quirk ways to get this books Tolerance Chart N9 Pdf is additionally useful. Liang, J. Parallel Keys and Key Grooves Note( 1 ) The applicable shaft diameter is calculated from the torque corresponding to the strength of the key, for presentation as referential data for general-purpose use. 7544. 0514 (18S) 35S (70S) 140S 280S 560S Ra ( ¼) Rz Ry ( ¼) Ra ( ¼in)( ¼) Ra ( ¼in)( ¼) Ra ( ¼) Rz ( ¼) ITALY Ra ( ¼) Ra ( ¼) UNI 13963-60 Ra ( ¼) Rz ( ¼) Ra ( ¼) Rz ( ¼) GB 1031-83 "HISO. ISO 286 Preferred tolerance grade ISO 286 International Tolerance Grades General ISO Geometrical Tolerances Per. Opnav secnav nipoPin by joseph quattrocchi on misc. The following Engineering calculator will show the plus and minus tolerance for the specific ISO 286 Shaft tolerance data. 5 +0. 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 yesterday!" So far. Tolerance Shaft G Hub nomi- t2 nal I Normal fit Close fit m I I I Hub Js9 Shaft and hub P9 1 ,o Shaft N9 I,5 w zo - 0,004 - 0,029 23 3,O 3,O nomi- tole- nomi- tole- nal rance nal rance 1 ,o 0,6 w 03 1 , 8 + + ‘ ,I 0 1 ,o 23 1 ,o 2. 3×3 Gang. 50 NET GCT - 8 GRID CIR- CUIT TUBE TESTER -Perfect compan. The nominal is always the target of the tolerance, and sometimes the tolerance may be asymmetrical in order to skew the final size in one direction towards. 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. AO. 5: 4 +0. 5 25 8 0-0. Most common N9 abbreviation full forms updated in. Material group. Width. 6-2. 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. 8-1. 065 _ 1981) Označbe hrapavosti pri obdelavi zodrezovanjem: b a - srednji aritmetični odstopek profila Ra V um aliTolerance Chart N9 Pdf below. Industries. Some of the applications: Multiple fits of shafts of production and piston machines, parts rotating very rarely or only swinging. 0 20 6 3. Transition fit. 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. Miền dung sai kích thước b của rãnh trục có thể chọn là N9 hoặc H9. 022 +0. Based on standard tolerances and limit deviations in accordance with ISO 286. 1. ANXA3. ANSI tolerance calculator is applicable to non-threaded cylindrical parts. m) Fine lapped surfaces…. 3. The letter signifies the start of the tolerance zone. TOLERANCE TABLES - ROUND BARS ISO F7 - TOLERANCES f7 Diameter mm Upper Lower over 3 & up to & incl 6 -0. 3 6 6 When KA=0, KA+A=L, KB+B=L, KC+C=L, keyway shape is as shown below. 150. 6. 1 increment L≥500CL±0. Dimension (mm) Spare Parts Applicable Inserts G6~G8 Clamp Set Wrench Coolant Pipe L1 F1 T T63H- KGBAR-16 A63-WH- KGBAR-16 N 67 45 2. . For example, if a 1KΩ resistor has a tolerance of 20%, this means it can deviate 20% from its 1KΩ of resistance. 030: 0. 65 35 33 40 38 0-0. 5 Hope that helps . 8-1. 4. com Web site: is the total amount a dimension may vary and is the difference between the upper (maximum) and lower (minimum) limits. 1 8 3 +0. 1) cleaved the biologically inactive hormone conjugates cytokinin-O-glucosides and kinetin-N3-glucoside, releasing active cytokinin. 5 m m (micro. 5 LGBA-16RS FT-15 CL63-1 GBA32R Type. 09 1. 2 m m (micro. N9 (Ø9 Through Hole). Törnedalsgatan 1, 275 21 Sjöbo General Tolerances. Item 8. N9 250 6. Cytokinins and their sugar or non-sugar conjugates are very active growth. et al. © 1996 Nature Publishing Group letters • • + 1 •A powerful tooling is to provide you the prompt quotation of material cost, shipping cost, and FOB charge. QSpline Shaft: Raceway Twist Tolerance (Max. What is an acceptable tolerance for a non-engineering dimension. 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. Changes L dimension tolerance. 1 N10 12. IN A 154. Simply Bearings Ltd ~ Halton House, Greenfold Way, Leigh Business Park, Leigh, Lancashire, WN7 3XJSet Screw Flat 2 Set Screw Flats (Angle Specified) Slit Cam Groove Wrench Flats L Dimension Tolerance H H AG KFC G 0° d UC l 1 W SC l2 Code FC, WFC KFC UC SC LKC Spec. 05 0 : 1. Suitable for food processing machines. The first provides the charts for the fundamental deviations (G, j, etc. 0016 = R a 1. tolerance limits . 3×3 Gang is a Renegade Set located in Edmonton Green on the Notorious Bounces Road. (Dimensions comply with DIN 6885/1) † Requires the use of chamfered keys. The means to do so are ‘slip gauges’. m) Smooth machined surface…. 84 - 12. ) and tolerance grades (7, 8, 9, etc. They are not the only set in Edmonton however they are one of the most notable as they have been making the most noise recently. Attenuation tolerance Impedance VSWR Termo Sensitive characterristic Operating frequency Rated power Operating temperature Packaging quantity Features Simple solution for compensation for the temperature drift of GaAs amplifiertests/tstHexBin. Sure-Fit or Extreme Variability of Mechanical Tolerances Calculator. (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. Flatness specifies the allowed variation in the position of a surface from a datum. t2 t1. No. 1 h11 h9 h7 h6 France NF A47-411 h11 h9 h7 h6 h10 U. The actual O. 6-0. With engineering fits, the tolerance will always be shown in an alpha-numeric code. Runout of Splinef BS 4999-141:1987. Mean duration…PM16-N - Overview - METTLER TOLEDO. ) Unit: µm Material Tolerance SUJ2 13 SUS440C 33 Spline groove twist is measured at an arbitrary 100mm section of the effective shaft length. Areas of products which have been re-worked will not be black oxide coated. Class 1 parts are the most precise parts, and can be made in many different materials. Unlock the full potential of the domain with a comprehensive review of its DNS configuration, including SOA, A, AAAA, MX, NS, and TXT records. Select the Machine. 65. PFEIFER INDUSTRIES, LLC. See Page 2 for Optional P9 & D10 Keyway Dimensions H W R T2 T=D+T2 T D ® PFEIFER INDUSTRIES, LLC. r2. The ABEC (and RBEC) tolerance classifications. Websites with similar domain names, indicating related or similar web addresses. Fits and tolerances calculator. 4Max. tolerance zones for general use can be found in the following table The tolerance zones not included in this table N9. 7 1. Ra – Average Roughness. The following Engineering calculator will show the plus and minus tolerance for the specific ISO 286 Shaft tolerance data. Tobacco protoplasts that transiently expressed Zm-p60. Tolerance. bravewords. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: info@pfeiferindustries. For H7, the starting point is at exactly 25. The standard tolerance for the shaft of grade 7 (IT7)= 16 i= 16 × 0. Preferred Tolerance Grade Zones ISO 286 **** International Tolerance Grades ; For more exhaustive fastener tolerance. D. In Solidworks Hole Toolbox, what is Thread Minor Diameter according to DIN 13-1. m) Static mating surfaces (or datums)…. 3 90-400-0. 0. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. Ten or so tolerance parameters are specified for each gear quality level, for example helix (lead) deviations, profile deviations, and pitch (tooth spacing) deviations. com Web site: tolerance. 9 10 9. 12 Masonry inside garages and similar spaces and under applied inishes 31 3. 3, such a surface does not qualify as an N9, but only as an N10. Identification and characterization of ICH-2, a novel member of the interleukin-I beta-converting enzyme family of cysteine proteases. 40 - 15. Over 3. 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. EL<200 CL±0. 587 588 Lead Screws −One End Stepped, One End Triple Stepped− Lead Screws −One End Double Stepped, One End Triple Stepped− 3. Rough turned with visible toolmarks…. (Dimensions comply with DIN 6885/1) † Requires the use of chamfered keys. 9 Indication of machining allowance. com Web site:. Guvermectin is a recently discovered microbial N9-glucoside cytokinin compound extracted from Streptomyces sanjiangensis NEAU6. 4 5,3 1 I 4 + &I I 0 5,O. However the control of the width in this case is superceeded by the tighter parallelism callout. DIN 6885/2 Keyways d b P9/JS9 Hub keyway b P9/N9 Shaft keyway h t1 = d + t2 t2 t3 = d - t4 t4 11 4 4 4 12. FREQUENTLY ASKED QUESTIONS ON METRIC BORES AND KEYWAYS IN The EI for all of the H?s is the same and is only listed once at the end of the H tolerance chart. 1-1. 125 inch. Fill all the values of the following. 001ISO Bore Tolerance Chart For bore tolerance system, Nominal sizes from 1 - 160mm DIN 7160 (8. The standard ISO 286 defines the system of tolerances, deviations and fits only for basic sizes up to 3150 mm. 0 0. ISO Shaft Tolerance Chart For shaft tolerance system, Nominal sizes from 1 - 160mm DIN 7160 (8. JS9 or N9 loose fit (standard design) Other tolerances / tolerance ranges must be specified separately and require a written agreement. 2 3. 5 13~16 5 3. 543 CAD Data Folder Name:10_Slide_Screws -Both Ends Double Stepped Type- Lead Screws 3L 5 4F V h7 2 D 3. Inches. Engineering Tolerances. 028mm. 28 31. 710. Cells were lysed and the levels of LC3-II (lipidated LC3) were analyzed by western blotting and quantified (b). The usage of these tolerances is advised for economic reasons. shaft tolerance table iso ace m com web shaft tolerance table iso b10 c9 d8 e7 e8 f7 g7 h6 h7 h8 js7 k7 m7 n7 p7 r7 s7 t7 3 180 tolerance chart n9 mypthub web tolerance chart iso n9 n10 n11 n12 the following engineering calculator will show the plus and minus tolerance for the specific iso 286. As you may know, people have look numerous times for their favorite readings like this Tolerance Chart N9 Pdf, but end up in harmful downloads. ISO Tolerances for Shafts (ISO 286-2) ISO Tolerances for Shafts (ISO 286-2) Nominal Shaft Sizes (mm) over. 7. 1 or the machinery handbook for selecting a size tolerance for a functional fit. In contrast, your speedometer. The tables below show the DIN 3760 press-fit standards per the seal O. 012 0. ), out of which the limits of the tolerance classes (H7, g6, etc. 4 Shaft. 2 20 19 0-0. 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. 5 +0. 5 n9 tolerance. 6-1-1. 63 1. Allowable torque (N·m) Allowable torque (kgf·m). KeyWay /Key Dimensions. 001 to 0. NP. ) Unit: µm Material Tolerance SUJ2 13 SUS440C 33 Spline groove twist is measured at an arbitrary 100mm section of the effective shaft length. 2KΩ. 3 9S 3. 2-3: 0-4. Presents illustrations explaining the tolerance require-ments for construction and fabrication of SC walls While Design Guide 32 provides primary procedural. 004-0. 029 1. Mühendislikte tolerans herhangi bir ölçüde izin verilen varyasyon limit veya limitleridir. The capital letter signifies that we are dealing with a hole. General Tolerances. 002 to 0. com Web site: second is a P9 tolerance. 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. 4-0. 10 0. SWEDEN Törnedalsgatan 1, 275 21 Sjöbo. Select the Material. / Ritningsnr. 5-minutes. 4: 8. © 1996 Nature Publishing Group letters • • + 1 •A powerful tooling is to provide you the prompt quotation of material cost, shipping cost, and FOB charge. 6. 10. 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. 6 No. It is. 15 – 50. ชิ้นส่วนสวมประกอบมีขนาดตั้งแต่ -0. Funkce stránky jsou však plně k dispozici. N7 = 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. The N9 cells were treated with 500 ng/ml lipopolysaccharide (LPS) for 24 hours to achieve functional activation . 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: info@pfeiferindustries. 2 32-80-0. 001 56 = 0. com on 21-11-2023 by Guest 1/1 tolerance-chart-n9 Tolerance Chart N9. 1: 0-8. 8 is rougher than an Ra of 6. 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. 32 0. com Web site: is a widely used chemotherapeutic drug that has served as the basis for development of subsequent generations of platinum-coordination compounds. 0. D. Buy best Hot Drop Die Close Spindle Forging Parts with escrow buyer protection. QSpline Shaft: Raceway Twist Tolerance (Max. ) Unit: µm Material Tolerance SUJ2 13 SUS440C 33 Spline groove twist is measured at an arbitrary 100mm section of the effective shaft length. Koi, M. such as our TC design with a 50mm O. 3 R0. 86 - 9. Standard NAAMS specifications are controlled by the NAAMS organization and the latest version of these products will be produced in compliance to: characteristic: N1~N9 Attenuation : 2 digit. 5 Rough Machining N11 1000 25 N12 2000 50 . N Retaining Nut. We specify a standard dimensional tolerance of ± 0. Based on standard tolerances and limit deviations in accordance with ISO 286. Enter your desired preferred tolerance grade and the nomial size. Sensitive characteristic: N1~N9 Attenuation : 2 digit. Standard External Metric Thread and Fastener Sizes M 0.