BS 328-5:1983

This standard BS 328-5:1983 Drills and reamers is classified in these ICS categories:

• 25.100.30 Drills, countersinks, reamers
• 25.100.20 Milling tools

This Part of this British Standard specifies the dimensions of the following:

1. counterbores with Morse taper shanks and detachable pilots;
2. countersinks with parallel shanks;
3. countersinks with Morse taper shanks.

Appendix A shows extracts from BS 4500-1, giving details of the tolerances specified. Appendix B specifies details of counterbores with cutting diameters designated in inches.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Specifies the dimensions of counterbores with parallel shanks and integral pilots; counterbores with Morse taper shanks and detachable pilots; countersinks with parallel shanks, and countersinks with Morse taper shanks. Appendix A shows extracts from BS 4500:Part 1 giving details of the tolerances specified and Appendix B gives details of counterbores with cutting diameters designated in inches.