M8 x 70mm Hex Head Bolts | 10-Pack, Grade 8.8, Partial Thread (DIN 931)

Handle heavier-duty fastening with this 10-Pack of M8 x 70mm Hex Head Bolts. Manufactured to DIN 931 standards from high-tensile Grade 8.8 steel, these bolts feature a strong, unthreaded shank (22mm shoulder, 'b') for shear strength, followed by a standard 1.25mm pitch thread. Ideal for structural connections, machinery, and applications where a smooth shoulder is needed to bear load within a bolted joint.

Key Features:

• Grade 8.8 High Strength: 800 N/mm² tensile strength for demanding applications.

• Partial Thread with Shoulder (DIN 931): Features a 22mm unthreaded shank for increased shear resistance and precise location within a bolted assembly.

• Substantial M8 x 70mm Size: Robust diameter and length for thicker materials and structural connections.

• Hexagon Head (13mm AF): Standard head for secure tightening with a spanner or socket.

• Convenient 10-Pack: Ensures consistent quality and ample supply for projects.

Specifications:

• Part No.: 4990167

• Standard: DIN 931 / ISO 4014

• Size: M8 x 70mm

• Thread Pitch: 1.25mm

• Head: Hexagon, 13mm AF (S), 5.3mm height

• Shoulder Length (b): 22mm (unthreaded shank)

• Material/Strength: Steel, Grade 8.8

• Thread: Partial (with shoulder)

• Pack Quantity: 10

Ideal For: Structural fabrication, machinery assembly, trailer construction, and any application requiring a high-strength bolt with a load-bearing shoulder.

The right bolt for strength and precision. Designed for robust, shear-critical connections.