Self-drilling anchor bolt system is mainly used for slope stabilization,foundations with micropiles and tunneling, its also widely used in the railway system,metro project etc. It can be installed in sites with weak rocks,loose soil,weathered layer, sand with stone layer and so difficult to create a hole in complex formation.The unconsolidated ground condition favor the self-drilling anchor bolt technique for fast and simple method of installation compared to the traditional method.

Self drilling anchoring system is an advanced system which can ensure the anchoring effect for complex ground conditions.It can be integrated with the functions of drilling, grouting and anchoring.

We manufacture & supplies of s system(r-thread), self-drilling rock bolt system(t-thread), expasion shell anchor bolts, swellex bolts, steel bolt series, friction bolts, frp bolts, rock drilling tools etc.

We manufacture & supplies of s system(r-thread), self-drilling rock bolt system(t-thread), expasion shell anchor bolts, swellex bolts, steel bolt series, friction bolts, frp bolts, rock drilling tools etc.

We manufacture & supplies of s system(r-thread), self-drilling rock bolt system(t-thread), expasion shell anchor bolts, swellex bolts, steel bolt series, friction bolts, frp bolts, rock drilling tools etc.

Metalized sapphire windows are created by applying thin layers of chrome, nickel and gold around the edge of a sapphire window. This metalized edge creates a surface that can be soldered or bonded directly into your opto-mechanical assembly allowing you to create a hermetic seal. Hermetically sealed optics is used in a variety of applications ranging from infrared imaging systems to medical devices. Technical capability Material: optical sapphire (Al2O3) Diameter tolerance: +0, -0.1mm Thickness tolerance: +/-0.05mm Clear aperture: 90% Surface quality: 80-50 scratches and digs Surface accuracy: 2 lambdas per 25.4mm @ 632.8nm Parallelism: < 3 minutes Coating: AR coating, T > 98% @ 1260-1600nm Metalizing: Chrome, Nickel, and Gold; sputtering method or screen printing method

�@�@�@Self- drilling anchor bolt is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations.

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