Generally Conforming to IS 7993-1988

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  HEXAGONAL & BIHEXAGONAL
  PROD. NO.	FIG. NO.	A	B	C	ΘD	ΘE	A/F	WT. GMS
  IM8	1	36	21	15	13.5	25	8	60
  IM9	1	36	21	15	14.5	25	9	65
  IM10	1	36	21	15	17.0	25	10	65
  IM11	1	36	21	15	18.5	25	11	65
  IM12	1	36	21	15	20.0	25	12	65
  IM13	1	36	21	15	21.5	25	13	75
  IM14	1	36	21	15	22.5	25	14	70
  IM15	1	36	21	15	24.0	25	15	80
  IM16	2	38	–	–	25.0	25	16	80
  IM17	2	38	–	–	26.5	26.5	17	95
  IM18	2	38	–	–	28.0	28	18	105
  IM19	2	38	–	–	30.0	30	19	120
  IM20	3	40	17	23	31.0	30	20	125
  IM21	3	40	17	23	32.0	30	21	130
  IM22	3	40	17	23	33.5	30	22	140
  IM23	3	43	18	25	35.0	30	23	165
  IM24	3	43	18	25	36.0	30	24	170
  IM26	3	43	18	25	38.9	30	26	175
  IM27	3	43	18	25	40.0	30	27	180
  IM28	3	46	19	27	42.5	30	28	200
  IM29	3	46	19	27	42.5	30	29	215
  IM30	3	46	19	27	44.0	30	30	220
  IM31	3	46	19	27	44.5	30	31	225
  IM32	3	46	19	27	46.5	30	32	245