Cross recessed(+)Truss head machine screw Small head(Coarse Stainless steel Unplated 4 X 12 Pitch 0.7

This is a female threaded component used in combination with male threaded parts such as bolts. A spanner or wrench is required for tightening.
There are four standards: Type 1, Type 2, Type 3, and Type 4, however only Types 1 through 3 are commonly available in general distribution.

Hex Nut

• Cross recessed (+) truss head machine screw, small head, coarse pitch
• Nominal diameter (d): M4
• Length under head (ℓ): 12.0
• Pitch (P): 0.7
• Cross recess number: 2
• Head diameter (dk): Nominal 8.1, Tolerance 0, -0.5
• Head height (k): Nominal 2.2, Tolerance ±0.15
• Cross recess (m): Reference 4.0
• Cross recess depth (q): Max 1.83, Min 1.30