Socket Head Cap Screws UNI 5931

UNI 5931

ASME B18.3 Hexagon Socket Head Cap Screws

Dimensions for UNI 5931

Thread d	p	b	dk			da	ds		e	h	k		r	s			t	v	dw	w
Thread d	p	b	max	max grooved head	min	max	max	min	min	max	max	min	min	nominal	max	min	min	max	min	min
M1.6	0.35	15	3	3.14	2.86	2	1.60	1.46	1.733	0.34	1.60	1.46	0.1	1.5	1.58	1.52	0.7	0.16	2.72	0.55
M2	0.4	16	3.80	3.98	3.62	2.6	2.00	1.86	1.733	0.51	2.00	1.86	0.1	1.5	1.58	1.52	1	0.2	3.48	0.55
M2.5	0.45	17	4.50	4.68	4.32	3.1	2.50	2.36	2.303	0.51	2.50	2.36	0.1	2	2.08	2.02	1.1	0.25	4.18	0.85
M3	0.5	18	5.50	5.68	5.32	3.6	3.00	2.86	2.873	0.51	3.00	2.86	0.1	2.5	2.58	2.52	1.3	0.3	5.07	1.15
M4	0.7	20	7	7.22	6.78	4.7	4.00	3.82	3.443	0.6	4.00	3.82	0.2	3	3.08	3.02	2	0.4	6.53	1.4
M5	0.8	22	8.50	8.72	8.28	5.7	5.00	4.82	4.583	0.6	5.00	4.82	0.2	4	4.095	4.02	2.5	0.5	8.03	1.9
M6	1	24	10	10.22	9.78	6.8	6.00	5.82	5.723	0.68	6.00	5.7	0.25	5	5.14	5.02	3	0.6	9.38	2.3
M8	1.25	28	13	13.27	12.73	9.2	8.00	7.78	6.863	1.02	8.00	7.64	0.4	6	6.14	6.02	4	0.8	12.33	3.3
M10	1.5	32	16	16.27	15.73	11.2	10.00	9.78	9.149	1.02	10.00	9.64	0.4	8	8.175	8.025	5	1	15.33	4
M12	1.75	36	18	18.27	17.73	13.7	12.00	11.73	11.429	1.45	12.00	11.57	0.6	10	10.175	10.025	6	1.2	17.23	4.8
M14	2	40	21	21.33	20.67	15.7	14.00	13.73	13.716	1.45	14.00	13.57	0.6	12	12.212	12.032	7	1.4	20.17	5.8
M16	2	44	24	24.33	23.67	17.7	16.00	15.73	15.996	1.45	16.00	15.57	0.6	14	14.212	14.032	8	1.6	23.17	6.8
M20	2.5	52	30	30.33	29.67	22.4	20.00	19.67	19.437	2.04	20.00	19.48	0.8	17	17.23	17.05	10	2	28.87	8.6
M24	3	60	36	36.39	35.61	26.4	24.00	23.67	21.734	2.04	24.00	23.48	0.8	19	19.275	19.065	12	2.4	34.81	10.4
M30	3.5	72	45	45.39	44.61	33.4	30.00	29.67	25.154	2.89	30.00	29.48	1	22	22.275	22.065	15.5	3	43.61	13.1
M36	4	84	54	54.46	53.54	39.4	36.00	35.61	30.854	2.89	36.00	35.38	1	27	27.275	27.065	19	3.6	52.54	15.3
M42	4.5	96	63	63.46	62.54	45.6	42.00	41.61	36.571	3.06	42.00	41.38	1.2	32	32.33	32.08	24	4.2	61.34	16.3
M48	5	108	72	72.46	71.54	52.6	48.00	47.61	41.131	3.91	48.00	47.38	1.6	36	36.33	36.08	28	4.8	70.34	17.5
M56	5.5	124	84	84.54	83.46	63	56.00	55.54	46.831	5.95	56.00	55.26	2	41	41.33	41.08	34	5.6	82.26	19
M64	6	140	96	96.54	95.46	71	64.00	6354	52.531	5.95	64.00	63.26	2	46	46.33	46.08	38	6.4	94.26	22

ASTM A193 Grade B7 Fastener Coatings

PTFE Coated

Black Phosphated

Zinc Plated

Hot Dip Galvanized

Cadium Plated

Ceramic Coated

Zinc Nickel

Zinc Flake Coated