Click Specification

(Non-preferred) dimensions in parentheses.

Metric Hexagon Slotted Nuts And Castle Nuts

BS 7764 - 1994

Display drawing:

Thread Size
d

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

P	Pitch
e	min
k	max
k	min
n ^②	max
n ^②	min
s	max
s	min
w	max
w	min

0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3
7.66	8.79	11.05	14.38	17.77	20.03	23.36	26.75	29.58	32.95	37.29	39.55
5	6	7.5	9.5	12	15	16	19	21	22	26	27
4.7	5.7	7.14	9.14	11.57	14.57	15.57	18.48	20.48	21.48	25.48	26.48
1.45	1.65	2.25	2.75	3.05	3.8	3.8	4.8	4.8	4.8	5.8	5.8
1.2	1.4	2	2.5	2.8	3.5	3.5	4.5	4.5	4.5	5.5	5.5
7	8	10	13	16	18	21	24	27	30	34	36
6.78	7.78	9.78	12.73	15.73	17.73	20.67	23.67	26.16	29.16	33	35
3.2	4	5	6.5	8	10	11	13	15	16	18	19
2.9	3.7	4.7	6.14	7.64	9.64	10.57	12.57	13.57	15.57	17.57	18.48

Thread Size
d

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

M56

(M60)

M64

P	Pitch
e	min
k	max
k	min
n ^②	max
n ^②	min
s	max
s	min
w	max
w	min

3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	5.5	6
45.2	50.85	55.37	60.79	66.44	71.3	76.95	82.6	88.25	93.56	99.21	104.86
30	33	35	38	40	46	48	50	54	57	63	66
29.48	32.38	34.38	37.38	39.38	45.38	47.38	49.38	53.26	56.26	62.26	65.26
5.8	7.36	7.36	7.36	7.36	9.36	9.36	9.36	9.36	9.36	11.43	11.43
5.5	7	7	7	7	9	9	9	9	9	11	11
41	46	50	55	60	65	70	75	80	85	90	95
40	45	49	53.8	58.8	63.1	68.1	73.1	78.1	82.8	87.8	92.8
22	24	26	29	31	34	36	38	42	45	48	51
21.48	23.48	25.48	28.48	30.38	33.38	35.38	37.38	41.38	44.38	47.38	50.26

①,Size M12 to M39 six slots only.
Size M42 to M64 eight slots only

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