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(A) OTHER BARS AND RODS; ANGLES, SHAPES AND SECTIONS

The provisions of the Explanatory Notes to headings 72.14 to 72.16 apply, mutatis mutandis, to the products of this heading.

(B) HOLLOW DRILL BARS AND RODS
Hollow drill bars and rods are defined in Note 1 (p) to this Chapter. They are also known as drill steel.
Drill steel is produced by piercing billets of alloy or non-alloy steel which are then re-rolled. The usual cross-sections are round, hexagonal, octagonal or quarter octagonal (square with the corners lopped off). The steel may be cut into short pieces for the manufacture of drill bits which fall in heading 82.07; they are also used in lengths up to five or six metres to transmit power when drilling at a distance. The hole down the length conducts liquid to the cutting point both for lubrication and to minimise the spreading of dust.

Subheading Explanatory Note.

Subheading 7228.50
See the Explanatory Note to subheadings 7215.10 and 7215.50.

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