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Holes Bolts Eyelets Bolts

As accessories can help improve the overall quality of the product. Hollow bolt is mainly used for safety equipment: mineral hair, filter self-rescuer, gas detection equipment, dust masks, mining raincoats and so on. Hollow bolt GB798, also known as the hole bolt, DIN444, also known as fish-eye bolts, refined hole bolt, spherical smooth, high-precision screw. Quality is better than imports, as accessories can help you improve the overall quality of the product. (2) various types of non-standard hardware, applicable to all types of food machinery, textile machinery, medical equipment, mini-trucks.


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