The synthetic sapphire/ruby shaft tip and recording pen tip are mainly used in the recording pen tip of various automatic recording instruments such as thermal instruments, railway and aviation surveying and mapping. At the same time, it can also be used as a high- pressure, fire-proof and anti-riot cutting nozle in mechanical processing. Jewel contacts are mainly used in measuring heads, calenders, and insulated contacts of various precision measuring instruments.

PRODUCT TYPES:

PRODUCT SPECIFICATIONS:

●Outer diameter(Φ): 0.50 ~ 2.00mm， outer diameter limit deviation: ±0.01

●Inner diameter(d): >0.10mm，limit deviation of inner diameter: ±0.01

●Length(L): 1.00 ~ 2.50 mm，length limit deviation: ±0.02

●Outer taper: 45° ~ 90°， outer taper limit deviation: ±0.05°

TECHNICAL PERFORMANCE PARAMETERS:

●Material: a- Al2O3≥99.99% (Sapphire, Ruby)；

●The material should be free of defects such as bubbles and insoluble substance.

MATTERS ABOUT ORDER:

●Specific specifications, dimensions and technical requirements can be processed according to client' s drawings or design by our company.