Hard Rock Series

• Description
• Parameters

• Descriptions:
  On the basis of the standard type, the head of the tooth body is protected by a wear-resistant layer. Taking into account the stratum strength, abrasiveness and over-limit requirements, a spark-free design such as tungsten carbide powder, particles and laser 3D printed special ceramics is adopted.
  
  
  

  Model	Coal seam rock grade?F value?					Installation dimensions?mm)
  	less than 3	3-5	5-8	8-11	more than 11	wheel diameter	shank diameter	shank length
  S135-65-25L NT		Y				65	38	76
  S135-65-30M NT			Y			65	38	76
  S150-70-30M NT			Y			70	38	76
  S150-80-33M NT			Y			80	38	76
  S160-65-25L NT		Y				65	38*30	74

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