Diameter [mm]	Diameter tolerance [mm]	Surface quality	Straightness in mm related to 1m length	Most common production length [mm]	Average weight [kg/m]	Recommended cylindrical threads	Recommended tapered threads
31.75	+/- 0.3	smooth forged	< 2.0	2000	8.1	M18, M22, 7/8 - 14 UNF	1 - 8 UNC 3.00 T/ft.
48	+/- 0.3	smooth forged	< 1.5	1600	18.5	M22, M24, 7/8 - 14 UNF
50.8	+/- 0.0 / -0.8	smooth forged	< 1.0	2000	20.7	M24, M27, 1 1/4 - 12 UNF	1 9/16 UN 3.00 T/ft.
54	+/- 0.4	smooth forged	< 1.0	2000	23.4	M27, M36, 1 1/4 - 12 UNF
60	+/- 0.4	smooth forged	< 1.0	1000 - 2000	28.8	M27, M36, 1 1/4 - 12 UNF
63.5	+/- 0.4	smooth forged	< 1.0	1000 - 2000	32.3	M36, 1 1/4 - 12 UNF	1 15/16 UN 3.00 T/ft.
66	+/- 0.4	smooth forged	< 1.0	1000 - 2000	34.9	M36, 1 1/4 - 12 UNF
70	+/- 0.4	smooth forged	< 2.5	1000 - 2000	39.3	M42, 1 1/2 - 12 UNF
76.2	+/- 0.1	smooth forged	< 2.5	1000 - 2000	46.5	M42, 1 1/2 - 12 UNF	2 3/8 UN 3.00 T/ft.
80	+/- 0.1	smooth forged	< 2.5	1000 - 2000	51.3	M42, 1 1/2 - 12 UNF
90	+/- 0.1	smooth forged	< 2.5	1000 - 2000	64.9	M58, 2 1/4 - 8 UNF
101.2	+/- 0.1	smooth forged	< 2.5	1000 - 2000	82.0	M58, 2 1/4 - 8 UNF	3 - 6 UN 3.00 T/ft.

Standard dimensions of glass melting electrodes are available from stock via PLANSEE EXPRESS lieferbar.
The recommended thread designs guarantee optimized mechanical and electrical properties. Other dimensions are available on request.

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