For further details please contact :
Shri. P.K. Awasty,
Managing Director,
Sikkim Jewels Limited,
NH-31 A, Gangtok,
East Sikkim.
Ph - 03592 - 231419
SIKKIM JEWELS
(A Govt. of Sikkim Enterprise)
SJL produces the following types of jewels and the related products. These jewels has a wide application in watch movements, electric meters including mounting assembly, water meters, indication instruments, textile industry etc.
TYPE |
MATERIAL |
INNER DIA. |
OUTER DIA. |
THICKNESS |
Spherical End Stone |
Ruby, Sapphire |
-- |
0.90 – 2.20 (+0.10) |
0.16 – 1.30 |
Flush End Stone |
Ruby, Sapphire |
-- |
0.90 – 3.00 (+0.10) |
0.16 – 1.50 ( +0.020) |
Cup Jewels |
Sapphire |
-- |
1.20 – 12.00 (+0.50) |
1.00 – 5.00 (+0.020) |
Flush Straight Ring |
Ruby, |
0.10 – 0.25 (+0.004) |
0.60 – 2.20 (+0.010) |
0.18 – 0.50 (+0.020) |
Flush Olive Ring |
Ruby, |
0.10 – 0.25 (+0.004) |
0.70 – 0.90 (+0.006) |
0.18 - 0.22 (+0.020) |
Spherical Olive Ring |
Ruby, Sapphire |
0.25 – 2.50 (+0.010) |
0.70 – 0.90 (+0.006) |
0.18 – 0.22 (+0.020) |
Cup less Straight Ring |
Ruby, Sapphire |
0.16 – 0.25 (+0.004) |
0.90 – 8.00 (+0.010) |
0.18 – 6.00 (+0.020) |
Double Cup Ring |
Ruby, Sapphire |
-- |
1.00 – 2.50 (+0.006) |
0.18 – 0.40 |
Double Cup Jewels |
Ruby, Sapphire |
-- |
1.00 – 2.50 (+0.050) |
1.00 – 3.00 (+0.050) |
TYPE |
MATERIAL |
LENGTH |
BREADTH |
HEIGHT |
Knife Edge |
Ruby, Sapphire |
5.00 – 12.00 (+0.100) |
3.00 – 8.00 (+0.100) |
6.00 – 12.00 (+0.100) |
Thread Guide |
Ruby, Sapphire |
20.00 – 35.00 (+0.100) |
3.00 – 12.00 (+0.100) |
6.00 – 12.00 (+0.100) |
TYPE |
MATERIAL |
LENGTH |
BREADTH |
HEIGHT |
Conical Tips |
Ruby, Sapphire |
-- |
2.00 – 4.00 (+0.100) |
10.00 – 20.00 (+0.100) |
Diamond Charged Tin Saws. |
Tin |
-- |
100 - 150 |
0.24 – 0.50 |