Hexagon head bolt DIN 931 / ISO 4014, M 8x140, hexagon 13 mm, thread length 22 mm, steel 10.9, plain

A fitted joint lives from the shank, not from the thread. This hexagon head bolt M 8x140 to DIN 931 provides a plain shank of 118 mm over its 140 mm of length and moves the thread to the last 22 mm. The shear plane therefore lies in the full shank cross section. The head is 5.3 mm high and is tightened across flats of 13 mm. The bolt is made of steel of property class 10.9, plain and black.

Advantages

• Plain shank of 118 mm within 140 mm of total length, which places the shear plane in the full shank cross section instead of the thread.
• Hexagon head with 13 mm across flats, so the tightening torque can be applied with an ordinary open-ended or ring spanner.
• Property class 10.9, plain and black, suited to more highly preloaded joints in protected indoor positions.
• Head height of 5.3 mm keeps the overall height of the joint low.
• Dimensions to DIN 931 and ISO 4014, so replacement and repeat orders are unambiguous through the designation M 8x140.

Applications

Steelwork and frame structures with through holes for M 8. Mounting of motors, gearboxes and pumps where the plain shank of 118 mm takes the shear load. Assembly of housing covers and panels with a clamping length up to 118 mm. Replacement of damaged standard bolts in size M 8x140.

Standards and conformity

The bolt is dimensioned to DIN 931 and ISO 4014. The width across flats is 13 mm to DIN 931 and 13 mm to ISO 4014. The material is steel of property class 10.9, plain and black.