ASME B18.2.3.2M Metric Formed Hex Cap Screws

Nominal Screw Diameter, D, and Thread Pitch	Body Diameter Ds,		Width Across Flats, S		Width Across Corners, E		Head Height, K		Wrenching Height, K1	Washer Face Thick, C		Washer Face Diameter, Dw
Nominal Screw Diameter, D, and Thread Pitch	Max	Min	Max	Min	Max	Min	Max	Min	Min	Max	Min	Max
M5 x 0.8	5.00	4.82	8.00	7.64	9.24	8.56	3.65	3.35	2.4	0.5	0.2	6.9
M6 x 1	6.00	5.82	10.00	9.64	11.55	10.80	4.15	3.85	2.0	0.5	0.2	8.9
M8 x 1.25	8.00	7.78	13.00	12.57	15.01	14.08	5.50	5.10	3.7	0.6	0.3	11.6
^aM10 x 1.5	10.00	9.78	15.00	14.57	17.32	16.32	6.63	6.17	4.5	0.6	0.3	13.6
M10 x 1.5	10.00	9.78	16.00	15.57	18.48	17.43	6.63	6.17	4.5	0.6	0.3	14.6
M12 x 1.75	12.00	11.73	18.00	17.57	20.78	19.68	7.76	7.24	5.2	0.6	0.3	16.6
M14 x 2	14.00	13.73	21.00	20.16	24.25	22.58	9.09	8.51	6.2	0.6	0.3	19.6
M16 x 2	16.00	15.73	24.00	23.16	27.71	25.94	10.32	9.68	7.0	0.8	0.4	22.5
M20 x 2.5	20.00	19.67	30.00	29.16	34.64	32.66	12.88	12.12	8.8	0.8	0.4	27.7
M24 x 3	24.00	23.67	36.00	35.00	41.57	39.20	15.44	14.56	10.5	0.8	0.4	33.2

^aThis size with width across flats of 15mm is not standard. Unless specifically ordered, M10 formed hex cap screws with 16mm width across flats will be furnished.
All dimensions are in millimeters.
Transition Thread length X, includes the length of incomplete threads and tolerances on grip gaging length and body length. It is intended for calculation puposes