1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243TO PLACE A DOCUMENT
3、 ORDER; (724) 776-4970 FAX: (724) 776-0790SAE WEB ADDRESS http:/www.sae.orgCopyright 1998 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001RECOMMENDEDPRACTICESubmitted for recognition as an American National Sta
4、ndardJ2122REV.OCT1998Issued 1990-11Revised 1998-10Superseding J2122 JUL97Numbering System for Single Diameter Drills1. ScopeThis SAE Recommended Practice provides a systematic method for the identification of singlediameter drills. It is intended to assist in the cataloging and supplying of these to
5、ols.NOTE 1Caution must be taken when assigning codes for designators to prevent specifying drills that cannotbe physically or economically manufactured.NOTE 2In particular without limitation, SAE disclaims all responsibility for the accuracy or completeness ofinformation contained within this report
6、 if the standards of this report are retrieved, combined, orused in connection with any software.2. References2.1 Related PublicationsThe following publications are provided for information purposes only and are not arequired part of this document.NOTEReference information not specified to be manufa
7、cturers standard practices. Manufacturer tosupply information for regrind upon request.2.1.1 ANSI PUBLICATIONSAvailable from ANSI, 11 West 42nd Street, New York, NY 10036-8002.ANSI B5.10Machine TapersANSI B94.11Twist DrillsANSI B94.11M-1979Nomenclature, Definitions, Sizes, and tolerances of Twist Dr
8、ills2.1.2 NUMBERING SYSTEMS SOFTWARESoftware products may exist to assist in the use of the standard. Thefollowing software product(s) are listed for information purposes only and do not constitute part of thisdocument. SAE expressly disclaims any responsibility for the operation of any Software use
9、d inconnection with your use of this report.SAE J2122 Revised OCT1998-2-2.1.2.1 Datom Engineering Software, Inc., PublicationAvailable from Datom Engineering Software, Inc., 561Somerset, Suite 3, Crystal Lake, IL 60014, (815) 477-3380.Datom Engineering Software, Inc., TMS III-Reamers-Electronic Refe
10、rence Manual Nomenclature,Definitions, Sizes, and Tolerances of Twist Drills2.1.3 DIN PUBLICATIONSAvailable from Beuth Verlag GmbH, Burggrafenstrasse 6, D-1000 Berlin 30 Germany.(The publications are also available through American National Standards Institute.)DIN 228 Part 1Morse Taper ShanksDIN 33
11、260 Degree Center HolesDIN 33360 Degree Center DrillsDIN 333RCenter Drills with Radius Step AnglesDIN 338Parallel Shank Twist DrillsJobbers SeriesDIN 339Parallel Shank Twist Drills for Use in Jig BushingsDIN 340Parallel Shank Twist DrillsLong SeriesDIN 341Morse Taper Shank Twist DrillsLong SeriesDIN
12、 345Morse Taper Shank Twist Drills for Use in Jig BushingsDIN 346Morse Taper Shank Twist Drill with Oversize ShankDIN 1412Twist Drill DefinitionsDIN 1414Twist Drills of High Speed SteelTechnical Conditions of DeliveryDIN 1809Driving Tenons for Tools with Parallel ShanksDIN 1861Twist Drills for Jig B
13、oring MachinesDIN 1869Extra Length Drills Series 1, 2 and 3DIN 1870Extra Length Taper Shank Drills Series 1 Linear and Angular DimensionsDIN 8037Twist Drills wWith Parallel Shank with Carbide Tips for Drilling MetalDIN 8038Twist Drills with Parallel Shank with Carbide Tips for Drilling PlasticsDIN 8
14、039Parallel Shank Masonry Drills with Carbide TipsDIN 8041Twist Drills with Morse Taper Shanks with Carbide Tips for Drilling SteelDIN 17350Tools SteelsTechnical Conditions of Delivery2.1.4 ISO PUBLICATIONSAvailable from International Organization for Standardization, 1 Rue DeVarembe, CasePostal 56,
15、 CH1211 Geneva 20 Switzerland. (The publications are also available through American NationalStandards Institute.)ISO 235Parallel shank jobbers, stub series drills and morse taper shank drillsISO 286/2System of limits and fitsISO 296Machine toolsSelf holding tapers for tool shanksISO 494Parallel sha
16、nk twist drillsLong seriesISO 866Centre drills for centre holes without protecting chamfersType AISO 23061Drills for use prior to tapping screw threadsISO 2540Centre drills for centre holes with protecting chamferType BISO 2541Centre drills for centre holes with radius formType RISO 3291Extra long m
17、orse taper shank twist drillsISO 3292Extra long parallel shank twist drills1. Should not be included in SAE drill document reference at this time.SAE J2122 Revised OCT1998-3-ISO 34382Subland twist drills with morse taper shanks for holes prior to tapping screw threadsISO 34322Subland twist drills wi
18、th parallel shank for holes prior to tapping screw threadsISO 4203Parallel shank toolsDriving tenons and socketsISO 5413Machine toolsPositive drive of morse taper sShanksISO 5419Twist drillsTerms, definitions, and typesISO 7079Core drills with parallel shanks and with morse taper shanksISO 10898Spot
19、 drills2.1.5 USCTI PUBLICATIONSAvailable from United States Cutting Tool Institute, 1300 Summer Avenue, Cleveland,OH 44115.Standard DrillsHandbook of SpecificationsUSCTIHandbook of Standard Drills3. Numbering System3.1 FormatsThe basic numbering system is subdivided into two formats for drills:3.1.1
20、 FORMAT17 POSITIONDrills with flute lengths and overall lengths which comply with the referencedStandards.3.1.2 FORMAT27 POSITIONDrills with flute lengths and/or overall lengths which do not comply with thereferenced Standards.3.2 Content of Numbering SystemThe numbering system utilizes 17 or 27 pos
21、itions to fully describe thevarious dimensions, types, materials, and characteristics of drills.Figure 1 illustrates the content and sequence of the 17 positions in the numbering system for drills whose flutelengths and overall lengths comply with the referenced Standards.FIGURE 1FORMAT17 POSITIONFi
22、gure 2 illustrates the content and sequence of the 27 positions in the numbering system for drills whose flutelengths and/or overall lengths do not comply with the referenced Standards.2. Should not be included in SAE drill document reference at this time.SAE J2122 Revised OCT1998-4-FIGURE 2FORMAT27
23、 POSITION3.3 PositionsThe content of each position is explained in detail in the following sections:3.3.1 POSITIONS 1 AND 2, CATEGORY AND NOUNPositions 1 and 2 will always be alphabetical. The followingdesignations have been assigned:Position 1: Tdesignates TOOLPosition 2: Ddesignates DRILL3.3.2 POS
24、ITION 3, TYPEPosition 3 will be numeric based on the type of drill. The following codes have beenassigned:3 Core Drill 3-Flute4 Core Drill 4-Flute5 Combined Drill and Countersink6 Center Drill7 Straight Flute8 Twist Drill, 1 Flute9 Twist Drill, 2 Flute0 Twist Drill, 3 Flute3.3.3 POSITION 4, MEASUREM
25、ENT SPIRALPosition 4 will always be alphabetic. The following codes have beenassigned:C Inch, Right Hand ANSI StandardsD Inch, No Spiral ANSI StandardsL Inch, Left Hand ANSI StandardsM Metric, Right Hand ANSI StandardsN Metric, Left Hand ANSI StandardsP Metric, No Spiral ANSI StandardsR Metric, No S
26、piral DIN StandardsS Metric, No Spiral ISO StandardsU Metric, Right Hand DIN StandardsV Metric, Left Hand DIN StandardsW Metric, Right Hand ISO StandardsZ Metric, Left Hand ISO StandardsSAE J2122 Revised OCT1998-5-3.3.4 POSITION 5, SHANKPosition 5 can be alpha or numeric:0 No. 0 Morse Taper1 No. 1 M
27、orse Taper2 No. 2 Morse Taper3 No. 3 Morse Taper4 No. 4 Morse Taper5 No. 5 Morse Taper6 No. 6 Morse TaperP Straight shank Precision Collet +0.0000 to 0.0005S Straight ShankT Straight Shank TangedU 1/4 in Diameter Reduced Straight ShankV 3/8 in Diameter Reduced Straight ShankW 1/2 in Diameter Reduced
28、 Straight ShankNOTEAutomotive Taper Length (long flute lengthPosition 4 indicates “C“ or “L“Position 5 indicates “S“ or “T“Position 6 indicates “3“Drill diameter is over 1/2 in (0.5000 in)Then the drills have reduced shanks as follows in Table 1. 3.3.5 POSITION 6, LENGTHPosition 6 can be alpha or nu
29、meric. The following codes have been assigned:NOTEWhen Position 6 is an “X,“ then the 27 position format must be used:1 Taper Length (ANSI)/Long Series (DIN/ISO)2Jobbers Length (ANSI)/Jobbers Series (DIN/ISO)3 Automotive Taper Length (long flute length)4 Bushing Length (DIN/ISO)6 Center Drill7 Regul
30、ar Length Solid Carbide (USCTI)8 Stub Length Solid Carbide (USCTI)9 Screw Machine Length (ANSI)/Stub Series (DIN/ISO)0 Combination Drill and CountersinkA 6 in Aircraft Extension LengthB 12 in Aircraft Extension LengthR 1/4 in Reduced Shank LengthS 1/2 in Reduced Shank Length (Silver and Deming)X Spe
31、cial LengthTABLE 1REDUCED SHANKSDrill Diameter Shank Diameter0.5000 to 0-.6250 in 0.5000 inOver 0.6250 to 0.7344 in 0.6250 inOver 0.7344 to 0.9219 in 0.7500 inOver 0.9219 to 1.2500 in 0.9375 inOver 12.80 to 15.80 mm 0.5000 inOver 15.80 to 19.00 mm 0.6250 inOver 19.00 to 23.50 mm 0.7500 inOver 23.50
32、to 25.00 mm 0.9375 inSAE J2122 Revised OCT1998-6-3.3.6 POSITIONS 7, 8, 9, 10, 11, AND 12, DIAMETER (METRIC OR INCH) 14, SURFACE TREATMENTThese positions willalways be numeric with a decimal point as an integral part of the number.NOTEUse zeros for all open positions.3.3.6.1 DiameterDrill (Metric)Pos
33、ition 4 indicates “M,“ “N,“ “U,“ “V,“ “W,“ or “Z.“The diameter will be specified to the thousandths of a millimeter, with the decimal point located in Position9.Maximum diameter will be (99.999 mm).Examples:00.900 mm03.250 mm09.750 mm15.000 mm57.500 mm75.500 mm3.3.6.2 DiameterDrill (Inch)Position 4
34、indicates “C“ or “L.“The diameter will be specified to the ten thousandths of an inch, with the decimal point located in Position8.Maximum diameter will be (9.9999 in).Examples:0.1250 in (1/8 in)0.1876 in (3/16 in)0.2500 in (1/4 in)0.8750 in (7/8 in)1.0000 in (1 in)1.2500 in (1-1/4 in)1.5000 in (1-1
35、/2 in)1.7500 in (1-3/4 in)3.3.6.3 DiameterCombination Drill and Countersink (Numeric)When Position 3 indicates a “5,“ andPosition 4 indicates “C“ or “L“ andPosition 5 indicates “S“ andPosition 6 indicates “0.)Positions 11 and 12 will contain the number size of the combination drill and countersink,
36、with a decimalpoint located in Position 8.SAE J2122 Revised OCT1998-7-Examples:0.0001 (#W1)0.0002 (#W2)0.0003 (#W3)0.0004 (#W4)0.0005 (#W5)0.0011 (#W11)0.0012 (#W12)0.0013 (#W13)0.0014 (#W14)0.0015 (#W15)3.3.7 POSITION 13, MATERIAL DESIGNATORPosition 13 will be alpha or numeric. The following codes
37、have beenassigned:Manufacturers StandardH High Speed SteelC Cobalt High Speed SteelS Solid CarbideT Carbide TippedP Poly Crystalline Diamond TippedOtherI High Speed Steel M1J High Speed Steel M2K High Speed Steel M7L High Speed Steel M10M Cobalt High Speed Steel T15D Cobalt HSS M35E Cobalt HSS M42F
38、Cobalt HSS M33Q Solid Carbide C2R Solid Carbide C5Z Solid Carbide MicrograinU Carbide Tipped C1V Carbide Tipped C2W Carbide Tipped C5A Solid Carbide Head Steel Body Steel ShankB Solid Carbide Head Steel ShankSAE J2122 Revised OCT1998-8-3.3.8 POSITION 14, SURFACE TREATMENTPosition 14 can be alpha or
39、numeric. The following codes have beenassigned:S Manufacturers Standard Treated1 Untreated (Bright)2 Steam Oxide3 Nitride Plus Steam Oxide4 Nitride Only5 Hard Chrome Plate6Bronze OxideA Titanium NitrideB Titanium Carbo NitrideC Titanium Aluminum NitrideD Chrome NitrideE Chrome CarbideF Boron Carbide
40、G Zirconium NitrideP Polished Flute3.3.9 POSITION 15, CONSTRUCTIONPosition 15 can be alpha or numeric. The following codes have been assigned:0 Regular Helix1 Slow Helix2 High Helix3 Heavy Duty4 Double Margin (Regular Helix)5 Triple Margin (Regular Helix)6 Full Parabolic (No Land)7 Semi-Parabolic (P
41、artial Land)8 Pre-Thinned Web9 Heavy-Duty Blend Thin 2X DiameterA NAS 907 Type AB NAS 907 Type BC NAS 907 Type CD NAS 907 Type DE NAS 907 Type EJ NAS 907 Type JI CoolantNo Spiral, End FeedK CoolantSlow Spiral, End FeedL CoolantSlow Spiral, Side FeedM CoolantSlow Spiral, Inducer FeedN CoolantReg. Spi
42、ral, End FeedR CoolantReg. Spiral, Side FeedP CoolantReg. Spiral, Inducer FeedT Crank Shaft (Manufacturers Standard)W Crank Shaft Double Margin (Manufacturers Standard)F Body Drill (cleared)G Galley HoleH Half RoundV ChipbreakerS Stove Burner (cleared)U Body Drill Uncleared (Regular Helix)Y Stove Bu
43、rner Uncleared (Regular Helix)Z No HelixSAE J2122 Revised OCT1998-9-3.3.10 POSITIONS 16 AND 17, POINTPositions 16 and 17 will be alpha and/or numeric. The following codes havebeen assigned:00 118 Degree Split Point NAS P-501 135 Degree Split Point NAS P-302 135 Degree Split Point NAS P-915 60 Degree
44、 Point20 90 Degree Point23 90 Degree Notched Point (Manufacturers Standard)25 90 Degree Split Point26 90 Degree x 60 Degrees Double Angle Point28 100 Degree Point33 118 Degree Point35 118 Degree Four Facet Point36 118 Degree Four Face Split Point37 118 Degree Notched Point (Manufacturers Standard)39
45、 118 Degree Helical Point40 118 Degree Split Point41 118 Degree x 60 Degrees Double Angle Point42 118 Degree x 90 Degrees Double Angle Point43 118 Degree x 90 Degrees Double Angle Split Point45 118 Degree Flat Lip Web Thinning Point49 130 Degree Point50 130 Degree Notched Point (Manufacturers Standa
46、rd)51 130 Degree Split Point52 130 Degree Bickford Point53 130 Degree Helical Point56 135 Degree Point57 135 Degree Chipbreaker Point (Manufacturers Standard)58 135 Degree Notched Point60 135 Degree Split Point61 135 Degree Four Facet Point62 140 Degree Point63 140 Degree Four Facet Point64 150 Degr
47、ee Point65 150 Degree x 90 Double Angle Point69 180 Degree Point (Flat Bottom)85 Racon Point (Manufacturers Standard)86 Fishtail Point87 Radial Lip3.3.11 POSITIONS 18, 19, 20, 21, AND 22, FLUTE LENGTH (METRIC OR INCH)Position 6 indicates an “X“ for speciallength.These positions will always be numeri
48、c, with a decimal point as an integral part of the number.NOTEUse zeros for all open positions.3.3.11.1 Flute LengthDrill (Metric)Position 4 indicates “M,“ “N,“ “U,“ “V,“ “W,“ or “Z.“The flute length will be specified to the one-tenth of a millimeter, with the decimal point located in Position21.Maximum flute length will be (999.9 mm).SAE J2122 Revised OCT1998-10-Examples:120.6 mm158.7 mm212.6 mm247.6 m
