|             product type           |                 Tooth head surface hardness HRC           |                 Brazed seam shear strength MPa           |                 Tooth impact toughness J/cm2           |    
|             Shearer Picks           |                 ≥40           |                 ≥180           |                 ≥49           |    
|             roadheader pick           |                 ≥40           |                 ≥180           |                 ≥49           |