BS7419 Square Square Holding Down Bolt

square-square-holding-draw

BS7419 Square Square Bolt Dimensions
Thread size D			M16	M20	M24	M30	M36	M42	M48	M56	M64
P pitch of thread			2	2.5	3	3.5	4	4.5	5	5.5	6
B	a	max.	122	127.5	133	140.5	148	155.5	163	172.5	182
	a	min.	116	120	124	130	136	142	148	156	164
	b	max.	225	225	225	225	225	225	225	225	225
	b	min.	200	200	200	200	200	200	200	200	200
DS	max.		16.7	20.84	24.84	30.84	37	43	49	57.2	65.8
DS	min.		15.3	19.16	23.16	29.16	35	41	47	54.8	62.8
K	nom.		10	12.5	15	18.7	22.5	26	30	35	40
	min.		9.25	11.6	14.1	17.65	21.45	24.95	28.95	33.75	38.75
	max.		10.75	13.4	15.9	19.75	23.55	27.05	31.05	36.25	41.25
R	min.		0.6	0.8	0.8	1	1	1.2	1.6	2	2
S	nom./max.		24	30	36	46	55	65	75	85	95
S	min.		23.16	29.16	35	45	53.8	63.1	73.1	82.8	92.8
F	nom.		8	10	12	15	18	21	24	28	32
	min.		7.25	9.25	11.1	14.1	17.1	19.95	22.95	26.95	30.75
	max.		8.75	10.75	12.9	15.9	18.9	22.05	25.05	29.05	33.25
V	max.		16.7	20.84	24.84	30.84	37	42	49	57.2	65.2
V	min.		15.3	19.16	23.16	29.16	35	41	47	54.8	62.8

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