ASME B18.16.3M Prevailing Torque Hex Nuts

Nominal Nut Dia. and Thread Pitch	Width Across Flats, S		Width Across Corners, E		Property Classes 5 and 10 Nuts				Property Class 9 Nuts				Property Class		Bearing Face Dia., D_w
					All Metal^a Type		Top Insert Type		All Metal Type		Top Insert Type		5 and 10 Nuts	9 Nuts
					Thickness, M								Wrenching Height, M1
	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Min	Min	Min
ANSI B18.16.3M - M3 × 0.5	5.5	5.32	6.35	6.01	3.1	2.65	4.5	3.9	3.1	2.65	4.5	3.9	1.4	1.4	4.6
ANSI B18.16.3M - M3.5 × 0.6	6	5.82	6.93	6.58	3.5	3	5	4.3	3.5	3	5	4.3	1.7	1.7	5.1
ANSI B18.16.3M - M4 × 0.7	7	6.78	8.08	7.66	4	3.5	6	5.3	4	3.5	6	5.3	1.9	1.9	5.9
ANSI B18.16.3M - M5 × 0.8	8	7.78	9.24	8.79	5.3	4.8	6.8	6	5.3	4.8	7.2	6.4	2.7	2.7	6.9
ANSI B18.16.3M - M6 × 1	10	9.78	11.55	11.05	5.9	5.4	8	7.2	6.7	5.4	8.5	7.7	3	3	8.9
ANSI B18.16.3M - M8 × 1.25	13	12.73	15.01	14.38	7.1	6.44	9.5	8.5	8	7.14	10.2	9.2	3.7	4.3	11.6
ANSI B18.16.3M - bM10 × 1.5	15	14.73	17.32	16.64	9.7	8.7	12.5	11.5	11.2	9.6	13.5	12.5	5.6	6.2	13.6
ANSI B18.16.3M - M10 × 1.5	16	15.73	18.48	17.77	9	8.04	11.9	10.9	10.5	8.94	12.8	11.8	4.8	5.6	14.6
ANSI B18.16.3M - M12 × 1.75	18	17.73	20.78	20.03	11.6	10.37	14.9	13.9	13.3	11.57	16.1	15.1	6.7	7.7	16.6
ANSI B18.16.3M - M14 × 2	21	20.67	24.25	23.35	13.2	12.1	17	15.8	15.4	13.4	18.3	17.1	7.8	8.9	19.6
ANSI B18.16.3M - M16 × 2	24	23.67	27.71	26.75	15.2	14.1	19.1	17.9	17.9	15.7	20.7	19.5	9.1	10.5	22.5
ANSI B18.16.3M - M20 × 2.5	30	29.16	34.64	32.95	19	16.9	22.8	21.5	21.8	19	25.1	23.8	10.9	12.7	27.7
ANSI B18.16.3M - M24 × 3	36	35	41.57	39.55	23	20.2	27.1	25.6	26.4	22.6	29.5	28	13	15.1	33.2
ANSI B18.16.3M - M30 × 3.5	46	45	53.12	50.85	26.9	24.3	32.6	30.6	31.8	27.3	35.6	33.6	15.7	18.2	42.7
ANSI B18.16.3M - M36 × 4	55	53.8	63.51	60.79	32.5	29.4	38.9	36.9	38.5	33.1	42.6	40.6	19	22.1	51.1
a Also includes metal nuts with non- Metallic inserts, plugs, or patches in their threads. b This size with width across flats of 15 mm is not standard. Unless specifically ordered, M10 slotted hex nuts with 16 mm width across flats will be furnished. All dimensions are in millimeters.