Material, manufacturing requirements, accuracies, tests, dimensions. Scotch pattern eyed auger with round shank; solid centre auger bit (Jennings pattern nose); Scotch pattern auger bit; Jennings pattern auger bit, with auger handles. See BS 1978.Cross References:BS 309BS 427BS 860BS 970BS 1978
Product Information
Published:
11/26/1953
Pages:
22
ISBN:
0580341496
File Size:
1 file , 540 KB
Language:
English
Note:
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