Kihn The Department of Defense requested that each of the eight products be ans in separate standards, and Subcommittee 2 accepted this approach at its meeting on June 27, Metric hexagon head bolts and screws faced under head. At its meeting on December 4,Committee B18 authorized preparation of a series of standards for metric fasteners. Hex Bolts Suppliers 2. Diameters and threadpitches see 26 Body diameters Widths across flats see 2. Metric hex bolts shall conform to this document and Appendix III, which establishes standarditemsfor Government application. Please fill this form, we will try to 1b8.
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Mule No part of this document maybe reproduced in any form, in an electronic retrieval systemorotherwise, withoutthepriorwritten permission of the publisher. Unified hexagon head bolts. Hexagon head bolts -product grade c. Plain hexagon head screws. Hexagon head bolts-Product grade B-Reduced shank. Rock Falls, Illinois R. Metric hex transmission tower bolts. Metric hex bolts shall conform to this document and Appendix III, which establishes standarditemsfor Government application. Contractors and industry groups must obtain copies directly from: Metric hexagon head bolts and anei faced under head.
Hexagon head bolts-product grade C. The Department of Defense requested that each of the eight products be covered in separate standards, and Subcommittee 2 accepted this approach at its meeting on June 27, Hex bolts Suppliers 2.
Graves, Fairfield, Connecticut R. Bolts of other materials such as stainless steel, brass, bronze and aluminum alloys shall have properties as agreed upon by the manufacturer and the purchaser. Metric black hexagon head bolts and screws. For bolts with additive finish, the 6g diameters may be exceeded by the amount of the allowance, i. We are a non-profit group that run this website to share documents.
Black hexagon thin head bolts. Hexagon head bolts-Product grades A and B Suppliers 6. Hexagon head bolts with indentation-Reduced shank. Bolts shall not contain an excess of surfaceimperfections which might affect their serviceability, such as burrs, seams, laps, loose scale and other irregularities.
Please copy and paste this embed script to where you want to embed Embed Script. Ferry Screw Products Company, Inc. ISO metric hot-dip galvanized hexagon bolts for building.
The referee gage and gaging procedure for checking boltstraightness is given in Appendix I. When reaffirmation, amendment, revision, or cancellation of this standard is initially proposed, the industry group responsible for this standard shall inform the Military Coordinating Activity of the proposed action and request their participation. Please fill this form, we will try to respond as soon as possible.
Unless M10 bolts with 15 mm width across flats are specifically ordered, M10 bolts with 16 mm width across flats shall be furnished. Theroundingdue to lack offill at the six corners of the head shall be reasonably uniform. Metric hex head machine screws. Hexagon head bolts — Product grades A and B Suppliers 2. However, a die seam across the bearing face shall be permissible. The bearing surface shall be reasonably flat. When raised, markings shall project not less than 0.
Consumers are requested to consultwithmanufacturersconcerning lists of stock production hexbolts. In FebruaryCommittee B18 established a cooperative program with the Department of Defense directly by the Government for procurement purposes. Hexagon head reduced shank bolts. AppendixTable 4 shall be used for item selectionin accordance with the part numbering system and size information contained therein.
The length of the boltshall be measured parallel to the axis of the bolt from the underside of head to the extreme end of the shank. ISO metric hexagon head bolts-Product grade C. Metric hex cap screws. The axis of the hex head shall be located at true position with ansu to the axis of the bolt determinedover a distance under the head equal to one bolt diameter within a tolerance zone of diameter equal to 6 percent of the specified maximum width across flats.
Hex bolt, M20 x 2. Metric hexagon head bolts. Bolts need not be finished on any surface except the threads. Hex bolts in sizes M5 thru M24 are standard only in lengths longer than mm or 10D, whichever is shorter.
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Dohn Committee B18affirmed the TC2 decisions at a meeting on June 29, and drafting of this standard was started. Theindicated industry group b The length of the boltshall be measured parallel to the axis of the bolt from the underside of head to the extreme end of the shank. At a meeting on September 22,Subcommittee 2 organized the contents of a standard covering eight different hex head screw and bolt products. Hexagon head bolts-Product grade C. The fillet at junction of head and shank shall be a smooth concave curve within an envelope of R minimum and a radius tangent to the shank and to the underside of the head at a point equal to onehalf of Da maximum from the axis to the bolt. Diameters and threadpitches see 26 Body diameters Widths across flats see 2.
Doule Hex bolt, M20 x 2. Hexagon head bolts wth thick shank. Tolerancesfor bolt lengths ate given in Table 3. Hexagon head reduced shank bolts. Options, where specified, shall be at the discretion of the manufacturer unless otherwise agreed upon by the manufacturer and the absi. Please help us to share our service with your friends. Bolts shall not contain an excess of surfaceimperfections which might affect their serviceability, such as burrs, seams, laps, loose scale and other irregularities.
ANSI B220.127.116.11M PDF