Standards: ISO 6787, DIN 3117, BS 6333, ASME B107.8M – 1996
High performance alloy steel
Head angle 15º for the 31 model provides better accessibility
Head angle 22.5º for the 86 and 87 models provides better accessibility
Left going screw
Phosphated. Precision-hardened and anti-corrosion treated
IP: Industrial pack
