Patent bolt M6 x 70 mm, A2 stainless steel, DIN 571

PANCHEV patent bolts are fasteners for assembling wooden structures or those made of plastic, metal, chipboard, MDF, solid wood, etc. Most often, the patent bolt is used for assembling and connecting wooden beams in various construction and repair activities. Hexagon head bolts are made of stainless steel A2, analog of AISI 304, which is non-magnetic, without heat treatment. This type of steel retains its strength properties when heated to 400°C and cooled to -200°C. Patent bolts can be used both on their own and with dowels.