M8x20 low cylindrical-head hexagon socket screw stainless A2 DIN 6912 - 1 pc.

M8x20 low cylindrical-head hexagon socket screw stainless A2 DIN 6912 - 1 pc.

The screw M8x20 according to DIN 6912 has a low cylindrical head, an internal hexagon socket and a pilot bore on the socket axis. The compact design is suitable for joints with limited space above the head.

Surface information: stainless steel A2 without an additional coating. Corrosion resistance depends on the operating environment and the correct selection of grade for the application.

Key specifications

• size: M8x20,
• standard: DIN 6912,
• material: stainless steel A2,
• surface: without an additional coating,
• head type: low cylindrical head,
• socket: internal hexagon with pilot bore,
• thread: metric coarse thread, partial for this length,
• number of pieces per pack: 1.

Dimensions

• nominal thread diameter d: M8,
• thread pitch P: 1,25 mm,
• length beneath the head l: 20 mm,
• unthreaded section l_s min.: 3.2 mm,
• distance to full thread l_g max.: 7 mm,
• head diameter d_k: 13 mm,
• head height k: 5 mm,
• socket size s: 6 mm,
• pilot bore diameter d_h: 4,0 mm.

There is an unthreaded section beneath the head. The values l_s and l_g are given for this size.

Standard, marking and selection

DIN 6912 describes screws with a low cylindrical head, hexagon socket and pilot bore. The reduced-height head has a lower load capacity than the high head of a standard socket-head screw, so interchangeability must be assessed according to the requirements of the specific joint.

The material marking on the head takes the form A2; this is the designation for stainless steel A2.

Scope of delivery

One sales pack contains 1 screw M8x20. Nuts and washers are not included in the set.

Net weight of 1 screw: 0,010 kg. This value excludes packaging.