M3 x 20mm Socket Cap Head Screw, Self Colour, DIN 912

20mm socket cap head screw

Cap head screw with a compact cylindrical head and deep internal socket (hex) drive for easy installation, loosening, and the application of the required torque for a secure hold.

Manufactured from grade 12.9 high tensile steel for strength and installed with an Allen wrench or hex key (Allen key) sees them widely used.

A self-colour machine screw also known as Allen key bolts, cap head bolts, or socket screws.

Available in a large number of sizes and lengths, these screws are used across many diverse sectors. These include automotive, aerospace, machinery, and construction.

M3 socket cap head screw specification:

• Diameter (TD): 3mm
• Length (L): 20mm (the amount of thread can vary depending on the screw size)
• Head width (HW): 5.5mm max
• Head height (HH): 3mm max
• Head type: Cap Head
• Recess type (DT): Internal hex drive (Size 2.5mm)
• Pitch: 0.50mm
• Material: Grade 12.9 high tensile steel
• Finish: Self-colour
• Conformity: DIN 912

A self-colour socket cap head screw part of an extensive range available from Fusion Fixings.

Looking for a cap head screw with corrosion resistance?

If you need a socket cap head screw with a high level of corrosion resistance, take a look at our A2 stainless steel M3 x 20mm socket cap head screws.

For the highest level of corrosion resistance, see our A4 stainless steel M3 x 20mm socket cap head screws which offer marine grade corrosion resistance.

Why choose Fusion Fixings?

A family run business with over 40 years of experience in the construction and fixings industry. Our aim is to bring you a range of quality, reliable, fixings and fasteners at great prices.

With quantities starting from just one to as many as you like, with bulk price offers across many of our products

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