Experienced buyers may find there is a difference in the model types of self-drilling anchor among all suppliers. Naming methods Atlas MAI (now belongs to Orica) self-drilling anchors are identified by the combination of alphabets & numbers. For instance, R32N R means the rope thread. 32 is the outer diameter of hollow bar. N represents …
What should we concern when purchasing self-drilling anchor? Read More »
Hollow bar anchor manufacturers carry out tensile test to ensure the self-drilling anchor rods are strong enough. The values are plotted on a coordinate graph – with strain elongation along the x-axis and stress, typically in MPa, along the y-axis. Figure 1 is a typical tensile train/ stress curve. Figure 2. Tensile capacity from …
As a manufacturer of self-drilling anchor bars, Onton always pays attention on the quality of products by learning from European factories. The normal length of self-drilling anchors is 3 to 9 meters. In order to increase the drilling depth, bolt connecting sleeves are applied. The coupling sleeves is formed with an internally thread …
Coupling for Anchor Bars, end chamfering process Read More »
Introduction: The core of the Onton Self-Drilling Anchor Bolt is a hollow, thick-walled, central drilling rod with a drill bit at the top. The system is modular, meaning that the most appropriate configuration can be put together to suit on-site circumstances and the forces that apply. The self-drilling anchor bolts are available in the steel grade S460NH …
Introdution Micropiles, sometime are called as minipiles, anchor piles or root piles, are widely used in foundations constructions. Especially for underpinning or emergency repairs, it is an effective method to provide reinforcement. Micropiles normally consist of high-strength, small-diameter threaded steel bar. After the injection of cement, micropiles can supply 1,000 tons strength and more.Meanwhile, …
Micropiles, Rock Drilling Rigs and Hollow Bar Anchors Read More »
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