Generally Conforming to IS 6131-1980 & 7381-1986

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  HEXAGONAL & BIHEXAGONAL
  PROD. NO.	FIG. NO.	A	B	C	ΘD	ΘE	A/F	WT. GMS
  8	1	36	20	16.5	13.5	22	8	50
  9	1	36	20	16.5	14.5	22	9	50
  10	1	36	20	15.7	14.5	22	10	50
  11	1	38	21.5	16.5	16.7	22	11	50
  12	1	38	21.5	16.5	17.8	22	12	50
  13	1	38	21.5	16.5	19.0	22	13	50
  14	1	38	21.5	16.5	20.2	22	14	50
  15	1	38	21.5	16.5	21.0	22	15	50
  16	3	38	16	22	21.8	20.5	16	50
  17	3	38	16	22	23.8	22	17	60
  18	3	38	16	22	25.8	22	18	80
  19	3	38	16	22	25.8	22	19	70
  20	3	38	16	22	27.8	25	20	80
  21	3	38	16	22	28.0	25	21	70
  22	3	38	16	22	29.8	26	22	90
  23	3	38	16	22	31.8	28	23	115
  24	3	38	16	22	31.8	28	24	105
  25	3	40	17	23	33.7	30	25	125
  26	3	42	17	25	35.5	31	26	158
  27	3	42	17	25	35.8	32	27	158
  28	3	44	17	27	37.6	33	28	188
  29	3	44	17	27	38.0	33	29	180
  30	3	44	16	28	39.5	34	30	200