BS 328-7:1992
Withdrawn
Date published:
Drills and reamers, Counterbores with parallel shanks and solid pilots
Related Information
25.100.30 Drills, countersinks, reamers
Similar Standards
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BS 1157:1975
Recommendations for tapping drill sizes for use with fluted taps
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BS 122-4:1980
Milling cutters, Screwed shank end mills and slot drills
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BS 1937:1953
Specification for engineers' ratchet braces and drilling pillars
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BS 1978:1965
Specification for bit braces