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M25 Underground Paddle Bolt Mining Rock Bolt With Shear Pin Nut and Mining Plate

M25 Underground Paddle Bolt Mining Rock Bolt With Shear Pin Nut and Mining Plate

  PADDLE BOLT: Paddle Bolt is made by high tensile steel bar with one end threaded , and the other end with “paddle” shape. This paddle system improves resin mixing, resin film shredding and provides consistent and efficient mixing of resin capsule components.   Product Parameters: Item No. Diameter Material 500Mpa   Length Min Yield Max Breaking Elongation ATPB18 18mm 125 178 ≥15% 1-6meters ATPB20 20mm 157 220 ≥15% 1-6meters ATPB22 22mm 190 265 ≥15% 1-6meters ATPB25 25mm 245 340 ≥15% 1-6meters   Advantages of Paddle bolt: 1.With paddle shape on one end to improve resin mixing. 2.Permanent primary support. 3.With pin nut torque drive system. 4.Improve resin mixing performance. 5.It is widely used in various mining.   Package & Delivery:  1. Packed by steel tube or wood brick, which can be laod or unload by forklift. 2. Domed plat…