Surub cu cap hexagonal, filetat partial DIN 931

DIN: 931
ISO: 4014
STAS: 4272
Diametru: M3, M4, M5, M6, M7, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M39, M42, M45, M48, M52, M56, M64
Lungime: 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 135, 140, 145, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 280, 300, 320, 340, 360, 380, 400, 420, 440, 460, 480, 500, 520, 540, 560, 580, 600-950 mm
Duritate: 8.8, 10.9, 12.9
Acoperire: natur, zincat alb, zincat galben, zincat termic
Material: otel, A2, A4,