B18.2.3.10M - Square Head Bolts (Metric Series)

This Standard covers the general and dimensional data for standard metric series square head bolts. The inclusion of dimensional data in this Standard is not intended to imply that all of the products described are stock production items. Consumers should consult with suppliers concerning the availability of products.

B18.25.2M - Woodruff Keys and Keyways

This Standard covers requirements for square and rectangular parallel keys and keyways intended for both alignment of shafts & hubs, and transmitting torque between shafts and hubs.

B18.25.1M - Square and Rectangular Keys and Keyways

This Standard covers requirements for square and rectangular parallel keys and keyways intended for both alignment of shafts & hubs, and transmitting torque between shafts and hubs.<

B18.29.1 - Helical Coil Screw Threaded Inserts---Free Running and Screw Locking (Inch Series)

This Standard is intended to delineate the dimensional data for the inch series helical coil screw thread insert and the threaded hole into which it is installed. Appendices that describe insert selection, STI (Screw Thread Insert) taps, gages and gaging, insert installation, and removal tooling are also included.

B18.21.2M - Lock Washers (Metric Series)

This Standard covers the dimensions, physical properties, and methods of testing for helical spring and tooth lock washers. The inclusion of dimensional data in this Standard is not intended to imply that all products DE- described are stock production items. Consumers should consult with suppliers concerning availability products.

B18.6.7M - Metric Machine Screws

This standard covers the complete general and dimensional data for metric flat countersunk, oval countersunk and pan slotted and recessed head machine screws metric hex flange head machine screws recognized as standard. Also included are appendixes which provide specifications and instructions for protrusion gaging of flat countersunk head screws, across corners gaging of hex head screws, penetration gaging and wobble gaging of recessed head screws, set forth clearance hole recommendations, and establish the Government standard items and part numbering system. The inclusion of dimensional data in this Standard is not intended to imply that all of the products described are stock production sizes.

B18.2.3.9M - Metric Heavy Hex Flange Screws

This Standard covers the complete dimensional and general data for metric series heavy hex flange screws recognized as American National Standard. The inclusion of dimensional data in this Standard is not intended to imply that all products described are stock production items. Consumers should consult with suppliers concerning availability of products. Nuts and hex flange nuts. The inclusion of dimensional data in this standard is not intended to imply that all of the nut sizes in conjunction with the various options described herein are stock items. Purchasers are requested to consult with manufacturers concerning lists of stock production prevailing-torque hex and hex flange nuts.

B18.2.4.1M - Metric Hex Nuts, Style 1

This standard covers the complete general and dimensional data for metrics hex nuts, style 1, recognized as an American National Standard. The inclusion of dimensional data in this standard is not intended to imply that all of the nut sizes in conjunction with the various options described herein are stock items. Purchasers are requested to consult with manufacturers concerning lists of stock production hex nuts, style 1.

B18.2.3.4M - Metric Hex Flange Screws

This Standard covers the complete dimensional and general data for metric hex flange screws recognized as American National Standard. (b) The inclusion of dimensional data in this Standard is not intended to imply that all products described are stock production items. Consumers should consult with suppliers concerning availability of products.

B18.2.3.1M - Metric Hex Cap Screws

This standard covers the complete general and dimensional data for metric hex cap screws recognized as American National Standard. The inclusion of dimensional data in this standard is not intended to imply that all of the sizes in conjunction with the various options described herein are stock items. Consumers are requested to consult with manufacturers concerning lists of stock production hex cap screws. Hex cap screws purchased for Government use shall conform to this standard, and additionally to the requirements of Appendix III.