Hexagon head bolt DIN 931 / ISO 4014, M 12x120, hexagon 19 mm, thread length 30 mm, steel 8.8, plain

A fitted joint lives from the shank, not from the thread. This hexagon head bolt M 12x120 to DIN 931 provides a plain shank of 90 mm over its 120 mm of length and moves the thread to the last 30 mm. The shear plane therefore lies in the full shank cross section. The head is 7.5 mm high and is tightened across flats of 19 mm. The bolt is made of steel of property class 8.8, plain and black.

Advantages

• Dimensions to DIN 931 and ISO 4014, so replacement and repeat orders are unambiguous through the designation M 12x120.
• Plain shank of 90 mm within 120 mm of total length, which places the shear plane in the full shank cross section instead of the thread.
• Steel of property class 8.8, left plain and black, which means no coating thickness on the thread and an exact fit in the hole.
• Hexagon head with 19 mm across flats, so the tightening torque can be applied with an ordinary open-ended or ring spanner.
• Head height of 7.5 mm keeps the overall height of the joint low.

Applications

Conveying and plant equipment where joints in size M 12 are undone regularly. Bolting of profile frames and cross beams over a clamping range up to 120 mm. Mounting of guide rails and stops with a fitted hole for the shank. Joints where the width across flats of 19 mm has to match the available tools.

Standards and conformity

The bolt is dimensioned to DIN 931 and ISO 4014. The width across flats is 19 mm to DIN 931 and 18 mm to ISO 4014. The material is steel of property class 8.8, plain and black.