इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 14894 (2001): Fasteners - Hexagon Head Bolts of Product Grade B - Reduced Shank (Shank Diameter Pitch Diameter) [PGD 31: Bolts, Nuts and Fasteners Accessories] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 14894:2001 $777m-m% @l=rlmft— m * * * Wi’l”ih ?FRhTawra— ?H ‘FTgm (?tim+mm)-m Indian Standard FASTENERS — HEXAGON HEAD BOLTS OF PRODUCT GRADE B — REDUCED SHANK (SHANK DIAMETER = PITCH DIAMETER) — SPECIFICATION ICS 21.060.10 @BIS 2001 BUREAU OF IN DIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 March 2001 Price Group 2 Bolts, Nuts andFasteners Accessories Sectional Committee, BP 33 FOREWORD This Indian Standard wasadopted bytheBureauofIndian Standards, afterthedraft finalized bytheBolts,Nuts and Fasteners Accessories Sectional Committee had been approved by theBasic and Production Engineering Division Council. This standard isoneoftheIndian Standards series onhexagon drive fasteners. In the preparation of this standard considerable assistance hasbeen derived from 1S0 4015:1979 ‘Hexagon headbolts—Pro@ct gradeB—Reduced shank(Shankdiameter= Pitchdiameter)’ issuedbytheInternational Organization for Standardization (1S0). For thepurpose ofdeciding whether aparticular requirement ofthisstandard iscomplied with,thefinaIvalue, observed or calculated, expressing the result ofa test oranalysis, shallbe rounded off inaccordance with IS 2:1960 ‘Rules for rounding off numerical values (revised)’. The number of significant places retained in the rounded off value should bethesameasthatofthespecified value inthis standard. IS 14894:2001 Indian Standard FASTENERS — HEXAGON HEAD BOLTS OF PRODUCT GRADE B — REDUCED SHANK (SHANK DIAMETER = PITCH DIAMETER) — SPECIFICATION 1 SCOPE IS No. Title This standard covers the requirements of hexagon (Part 2): 2001/ General plan (second revision) headboltsofproduct gradeB,withmetricdimensions 1S0 261:1998 and thread diameters from 3 mm to 20 mm both inclusive, with reduced shank diameter (shank (Part 3): 1999/ Basic dimensions (second revision) diameter =pitch diameter). 1S0 724:1993 2 REFERENCES (Part 4): 2001/ Selected sizes for screws, bolts and 1S0 262:1998 nuts (second revision) The following Indian Standards contain provisions which through reference in this text, constitute 3 DIMENSIONS provision ofthisstandard. Atthetimeofpublication, 3.1 The dimensions for the hexagon bolts shall beas the editions indicated were valid. All standards are given inTable 1. subject torevision andparties toagreements basedon this standard are encouraged to investigate the 3.2 Threads shall be in accordance withIS4218 and possibility ofapplying themost recent editions ofthe shall conform when checked with Go and Not Go standards indicated below: threaded ring gauges inaccordance with IS2334. IS No. Title 3.2.1 The tolerance on thread shallbe6g. 3.3 The preferred length—sizecombination shallbe 1367 Fasteners —Threaded steel—Tech- asgiven inTable 2. nical supply conditions: (Part 3): Mechanical properties and test 4 MATERIAL 1991 methods for bolts, screws and studs with full Ioadability (third revision) 4.1 The hexagon bolts, of product grade B, reduced shank shall be made from steel, stainless steel or (Part 11): Electroplated co atings (second non-ferrous metal. 1996 revision) 42 Mechanical Properties (Part 14): Stainless steel threaded fasteners 1984 (s&cond revision) a) Steel — The material shall conform to the requirements ofproperty class5.8,6.8 and8.8 (Part 17): Inspection, sampling and acceptance specified inIS 1367(Part 3). 1996 procedure (third revision) b) Stainless steel — The material shall conform (Part 18): Packaging (third revision) to the requirements of property class A 2-70 1996 specified inIS 1367(Part 14). c) Non-ferrous metal — The material shall have 2334:1975 Gauging practice for 1S0 metric aminimum tensile strength of 300MPa. screw threads (@revision) 5 SURFACE FINISH 4218 1S0 general purpose metric screw threads: 5.1 The bolts made of steel shall be supplied as processed or electroplated. The bolts made from (Part 1):2001/ Basic profile (second revision) stainless steel or non-ferrous metal shall be supplied 1S0 68-1:1998 inplain finishorelectroplated. 1 IS 14894:2001 Table 1 Dimensions for Hexagon Head Bolts (Clause 3.1) Alldimensionsinmillimetres. MINIMUM WRENCHINGHEIGHT + WASHER FACE END WtTHOUT Q t .—. — .—. a) 2Pmax. INCOMPL=E max. 0.2 k NOM (b) s THE INDENTATIONAND ITS SHAPEARE AT THE OPTIONOF THE SUPPLIER UNLESS SPECIFIEDBY THE CUSTOMER dw min. = cmin.- 1116 for width .ero6s flots <21 mm dWmin. = 0.95$ min.fw width luow fiats> 21 mm An inwwso ofd, up todiIpormi~ withins Iongthof0,5 dundw thehod. Thread Sfae M3 M4 MS M6 M8 M1O M12 (M14) M16 M20 P ‘) 0.5 0.7 0.8 1 1.5 1.5 i.75 2 2 2.5 bref 2) i2 i4 i6 18 22 26 30 34 38 46 3) — — — — 28 32 36 40 44 52 da Max 3.6 4.7 5.7 6.8 9.2 il.2 i3.7 i5.7 i7.7 22.4 d, = 2.6 3.5 4.4 5.3 7.i 8.9 10.7 12.5 14.5 18.2 d. Min 4.4 5. 7 6.7 8.7 11.4 14.4 i6.4 19.2 22 27.7 e Min 5.98 7.50 8.63 10.89 14.20 17.59 19.85 22.78 26.17 32.95 Nom 2 2.8 3.5 4 5.3 6.4 7.5 8.8 10 12.5 k Min 1.80 2.60 3.26 3.76 5.06 6.11 7.21 8.51 9.7i 12.15 M(w 2.20 3.00 3.74 4.24 5.54 6.69 7.79 9.09 iO.29 i2.85 K Min i,3 1,8 2.3 2.6 3.5 4.3 5.1 6 6.8 8.5 r Min 0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.8 s M(LZ 5.5 7 8 10 i3 i6 18 21 24 30 Min 5.20 6.64 7.64 9.64 i2.57 15.57 17.57 20.16 23.16 29.16 x Max 1.25 1.75 2 2.5 3.2 3.8 4.3 5 5 6.3 ‘) P= pitchofthethread. 2) Fornominallengths~ 125‘. 3) Fornominallengths> 125and< 200mm. IS 14894:2001 Tab1e2 Preferred Length-Size Combination (Clause 3.3) All dimensionsinmillimeaws. Thread Size M3 M4 MS M6 M8 M1O M12 (M14) M16 M20 1 Ig lg Ig lg [g lg 15 lg lg lg Nom Min Max Min Max Min Mar Min Max Min M(LXMin MUXMin MU Min Ma Min Mu Min Mm Min Mu 20 i8.95 21.05 7 8 4.6 6 25 23.95 26.05 12 13 9.6 II 7.4 9 5 7 30 28.95 31.05 17 18 14.6 16 12.4 14 10 12 5.5 8 35 33.75 36.25 19.6 21 17.4 19 15 17 10.5 13 40 38.75 41.25 24.6 26 22.4 24 20 22 15.5 18 11 14 45 43,75 46.25 27.4 29 25 27 20.5 23 16 19 11.5 15 50 48.75 51.25 32.4 34 30 32 25.5 28 21 24 16.5 20 12 16 55 53.5 56.5 35 37 30.5 33 26 29 21,5 25 17 ’21 13 17 60 58.5 61.5 40 42 35.5 38 31 34 26.5 3(3 22 26 18 22 65 63.5 66.5 40,5 43 36 39 31.5 35 27 31 23 27 14 19 70 68.5 71.5 45.5 48 41 44 36.5 40 32 36 28 32 19 24 80 78.5 81.5 55.5 58 51 54 46.5 50 42 46 38 42 29 34 90 88.25 91.75 61 64 56.5 60 52 56 48 52 39 44 100 98.25 101.75 71 74 66.5 70 62 66 58 62 49 54 110 108.25 111,75 76.5 80 72 76 68 72 59 64 120 118.25 121.75 86.5 90 82 86 78 82 69 74 130 128 132 86 90 82 86 73 70 140 138 142 96 I@ 92 96 83 88 150 148 152 102 106 93 98 NOTE -The~pulm lengthsarektwwn thestep~d lines.Thesi=Ml4 isnon-preferredsizeandshouldbeavoidedimpossible. 5.1.1 Electroplating on the bolts shall be done in 8 MARKING accordance with IS 1367(Part n). 8.1 Marking on the bolts, shank shall be in 6 SAMPLING, INSPECTION AND accordance withIS 1367(Part 3). ACCEPTANCE CRITERIA 8.2 BIS Certification Marking Thesampling, inspection andacceptance criteria shall beinaccordance with IS 1367(Part 17). 8.2.1 TheuseoftheStandard Markisgoverned bythe 7 DESIGNATION provisions of the Bureau of Indian Standards Act, The hexagon head bolts of product grade B, reduced 1986 andtheRulesandRegulations madethereunder. The details of conditions under which the Iicence for shank shall be designated by thread size, nominal the use of the Standard Mark may be granted to length, property classand No.ofthisIndian Standard manufacturers orproducers maybeobtained from the Example : Bureau ofIndian Standards. Hexagon headboltwiththreadsizeM12,nominal 9 PACKAGING length 80 mm, and property class 8.8 shall be designated as The packaging of bolts shall beinaccordance with Hexagon head bolt M12 x 80-8.8-1S 14894 IS 1367(Part 18). 3 Bureau of Indian Standards BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country. Copyright BIS has the copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director (Publications), BIS. Review of Indian Standards Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments isreaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards should ascertain that they are inpossession ofthe latest amendments oredition by referring tothe latest issueof ‘BIS Catalogue’ and ‘Standards: Monthly Additions’. This Indian Standard has been developed from Doc :No. BP 33(0093 ). Amendments Issued Since Publication Amend No. Date ofIssue TextAffected BUREAU OFINDIAN STANDARDS Headquarters : Manak Bhavan, 9 Bahadur Shah Z afar Marg, New Delhi 110002 Telegrams : Manaksanstha Telephones :3230131,3233375,323940 2 (Common toalloffices) Regional Offices : Telephone Central :Manak Bhavan, 9 Bahadur Shah Zafar Marg 3237617 NEW DELHI 110002 { 3233841 Eastern : 1/14C. I. T. Scheme VII M, V.I. 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