2) Material of stem: Brass (for the thermometers with temperature

   which is below 300℃/℉), carbon and Stainless steel (for the 

   thermometers with temperature which is above 300℃/℉)

3) Length of stem: 30mm, 40mm, 50mm, 63mm, 75mm, 80mm, 100mm, 

   150mm, 200mm, 250mm

4) Fillings: Organic liquid or mercury

5) Range: (-30-50 / -30-70 / 0-60 / 0-100 / 0-120 / 0-160 / 0-

  200 /0-300 / 0-400 / 0-500 / 0-600) ℃/℉

6) Scale division: 0. 5℃/℉ , 1℃/℉ , 2℃/℉ , 5℃/℉ , 10℃/℉

7) The accuracy is controlled in up and down 1 line

8) Thread: 3/8", 1/2", 3/4", M16 x 1. 5, M20 x 1. 5, M22 x 1. 5,

   M27 x 2

9) STANDARDS : DIN 16181-16191