Technical Specifications

Blind Nuts Type NB

Thread & Pitch	Material Code	Hole Size + 0.8	Minimum Panel Thickness	S Max	C Max	D Max	L1 Max	L2 +/- 0.25	E +/- 0.25	T Min
M3x0.5	1 2	4.25	1.0 1.40	0.97 1.37	4.22	3.8	8.5	9.6	6.35	5.2
M4x0.7	1 2	5.40	1.0 1.4	0.97 1.37	5.38	5.2	9.8	11.2	7.95	7.0
M5x0.8	1 2	6.40	1.0 1.4	0.97 1.37	6.38	6.0	9.8	11.2	8.75	6.7
M6x1.0	1 2	8.75	1.4 2.3	1.37 2.21	8.72	7.8	12.7	14.3	11.1	7.5

Materials		Standard finishes
Carbon Steel		Bright Zinc / Clear passivated to BS 3382 (ZI)
303 Stainless Steel (A2)		(Zinc / Yellow Passivated (ZC) Available to Special Order)

Notes

Steel parts are suitable for use in sheets with a maximum hardness of 80 HRB.

Stainless Steel Parts are suitable for use in sheets with a maximum hardness of 70 HRB.

(Stainless Steel parts will not usually install successfully in Stainless Sheet). If you need to install into stainless sheet please contact our sales department for alternatives.