BS 1978:1965
Current
Date published:
Specification for bit braces
Nomenclature, materials, heat treatment and hardness, dimensions, finish, marking, performance tests for ratchet brace fitted with chuck in nominal sizes 5 in, 8 in, 10 in, 12 in, 14 in and plain brace fitted with socket end in nominal sizes 9 in (linesman's brace) and 14 in (wagon builder's brace).
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 2054:1953
Specification for augers and auger bits