Premium Hollow Bar Self-Drilling Anchor Bolt – M20 Chemical Paddle Bolt Plug
High-strength hollow bar design ensures superior load-bearing capacity and seamless self-drilling performance for rapid installation. Precision-engineered M20 thread with corrosion-resistant coating guarantees long-term durability in harsh environments. Innovative paddle bolt plug design enhances chemical adhesion for unbeatable roof support stability in mining and tunneling applications. Perfect for securing heavy machinery, structural reinforcements, and underground construction. Made from ultra-durable alloy steel with heat-treated threading for maximum torque resistance. Combines drilling, anchoring, and chemical bonding in one step—cutting labor costs and boosting efficiency. Ideal for mining equipment, tunneling rigs, and industrial scaffolding systems requiring high-tensile, vibration-proof anchoring solutions. Bulk orders available at unbeatable wholesale prices—global shipping guaranteed.