1 37/64” masonry drill bit

PART OF:: Rotary air drill, Type R.A. I., with 1 37/64” masonry drill bit

Made:: 1948-1953 in Heeley

maker:: Hardypick Limited

1 37/64? masonry drill bit, for rotary air drill, Type R.A. I

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1 37/64? masonry drill bit, for rotary air drill, Type R.A. I
Science Museum Group
© The Board of Trustees of the Science Museum

1 37/64” masonry drill bit, for rotary air drill, Type R.A. I., for coal and medium hard stone, by Hardypick Ltd., Heeley, Sheffield, Yorkshire, England, 1948-1953

Details

Category:: Mining & Ore Dressing

Object Number:: 1953-61/2

Materials:: carbon steel and paint

type:: drill bit - tool component

credit:: GKN Automotive Ltd.; Hardypick Ltd.

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1 37/64” masonry drill bit

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