ANSI B18.2.3.5M PDF

Find the most up-to-date version of ASME BM at Engineering All dimensions are in mm. ANSI BM Metric Hex Bolts. TRANSHOW INDUSTRY LIMITED. GAOYANG RD, ZHOUHAN VILLAGE, JIANGSHAN. ASME-ANSI-BM Hex Head Bolts Dimensional Standards and Technical Specifications in Metric series ranging M3 upto M as per ASME and ANSI.

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Metric hexagon head bolts and screws faced under head.

Hexagon head bolts grades A and B partially threaded Suppliers 3. Wagner, Illinois Tool Works, Inc.

ANSI B18.2.3.5M (1979)

Bolts need not be pointed. The bearing surface shall be reasonably flat. Hexagon head bolts-Grade C. The referee gage and gaging procedure for checking boltstraightness is given in Appendix I.

ASME/ANSI B MMetric Hex Head Bolts

Ferry Screw Products Company, Inc. Dimensions of Hex Bolts. The length of the boltshall be measured parallel to the axis of the bolt from the underside of head to the extreme b18.2.3.5n of the shank.

Hexagon head bolts-product b18.2.3.m C. This was granted on April 26, It represents the minimum design grip length of the bolt and shall be used as the criterion for inspection and for determining thread availability when selecting bolt lengths ansu though usable threads may extend beyondthis point. A shoulder under the head may be supplied at option of themanufacturer.

M10 bolts with 15 mm width across flats are absi being producedand used in U. Hexagon head bolts-Product grade C Suppliers 1. Unified hexagon head bolts. Bethlehem Steel Corporation, Lebanon, Pennsylvania f. Show on Mobile terminal. Ruff, Department of the N a eWashington, D.


Hexagon head bolts-Product grade C. Rock Falls, Illinois R. Unless otherwise specified, screwsand bolts shall be supplied with a natural as processed finish, unplated or uncoated.

Unless M10 bolts with 15 mm width across flats are specifically ordered, M10 bolts with 16 mm width across flats shall be furnished. Hex Bolts Suppliers 2. Black hexagon head bolts and screws.

The class 6g tolerance shall apply to plain finish unplated or uncoated bolts, and to plated or coated bolts before plating or coating.

Metric Threaded Fasteners – Engineering Subjects

Metric black hexagon head bolts and screws. 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. Hexagon head bolts—Product grades A and B Suppliers 2. 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, Subcommittee 2 was subsequently established and charged with the responsibility for technical content of ansj covering wrench head bolts and nuts.

Metric hex head machine screws. Hex bolts Suppliers 2. Metric ani head screws. Hexagon head bolts -product grade c.

True Position of Head. Black hexagon thin head bolts. Metric hex cap screws.

Options, where specified, shall be at the discretion of the manufacturer unless otherwise agreed upon by the manufacturer and the purchaser. We need your help! In FebruaryCommittee B18 established a cooperative program with the Department of Defense directly by the Government for procurement purposes. Hex bolt, M20 x 2. At its meeting on December 4,Committee B18 authorized preparation of a series of standards for metric fasteners.


Metric hex bolts shall conform to this document and Appendix III, which establishes standarditemsfor Government application. Please copy and paste this embed script to where you want to embed Embed Script. V18.2.3.5m dimensional differences between this ANSI standardand B18.2.3.5, are few, relatively minor,andnone will affect thefunctionalinterchangeability of bolts manufactured to the requirements ofeither.

n18.2.3.5m The wrenching height is the distance, measured at a comer of the hex, from the plane of the bearing surface to the last plane of full formed hex, Le. 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.

Theindicated industry group has furnished the clearances required by existing regulations. At a meeting on September 22,Subcommittee 2 organized the contents of a standard covering eight different hex head screw and bolt products.

Bearing surface shall be perpendicular to the axis of the body within a tolerance of 3 deg for sizes M24 and smaller, and 2 deg fol sizes larger than M Thediameterof the chamfer circle or the start of rounding shall be equal to the b1.2.3.5m width across flats within a tolerance of minus 15 percent.