Hexagonal screws: characteristics and uses

Hexagonal or hexagonal head screws designed to ensure a strong and durable joint.

Screw outside the DIN standard:

• Rotavator screw: it has a full thread and is accompanied by a specific nut and washer. Its use is exclusive to the agricultural sector, in particular, it is used to fix the blades of rotovators.

Screws according to DIN standard:

• DIN 931 (partial thread), DIN 933 (full thread), DIN 960 (partial and fine thread), DIN 961 (full and fine thread) and DIN 6921 (partial thread and incorporated graphite washer).

These hexagonal bolts are manufactured from different grades of steel, low strength, 8.8 and 10.9, with black, zinc plated and hot dip galvanised coatings. Also available in other grades such as brass and stainless steel A2 and A4. Each of them contains the measures and lengths demanded by the market.