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(Non-preferred) dimensions in parentheses.

Prevailing Torque Type All-Metal Hexagon Nuts With Slot(s) - Product Grades A and B - Symbol H Fr

NF E 25-411 - 1985 (R2001)

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Screw Thread
d

M10

M12

(M14)

M16

(M18)

M20

P	Pitch
s	max
s	min
h	max
h	min
k	min

0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
5.5	7	8	10	13	16	18	21	24	27	30
5.32	6.78	7.78	9.78	12.73	15.73	17.73	20.67	23.67	26.16	29.16
4.7	5.6	7	8.5	10.5	13	15.6	18.2	20.8	23.4	26
3.5	4	4.8	5.4	6.44	8.04	10.37	12.1	14.1	15.1	16.9
1.9	2.2	2.7	3	3.7	4.8	6.7	7.8	9.1	9.7	10.9

Screw Thread
d

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

P	Pitch
s	max
s	min
h	max
h	min
k	min

2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5
34	36	41	46	50	55	60	65	70	75	80
33	35	40	45	49	53.8	58.8	63.1	68.1	73.1	78.1
28.6	31.2	35.1	37	40	43	48	50	53	57	62
18.1	20.2	22.5	24.3	27.4	29.4	31.8	32.4	34.4	36.4	40.4
11.7	13	14.5	15.7	17.7	19	20.5	20.9	22.2	23.5	26.1

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Similar Standards

1	[DIN EN ISO] DIN EN ISO 7719 - 1998	Prevailing Torque Type All-Metal Hexagon Regular Nuts-Property Classes 5, 8 And 10
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5	[ASME] ASME B 18.16.3M (hex/metal) - 1998	Metric All-metal Prevailing-Torque Hex Nuts - Property Classes 5, 9 and 10 [Table 1]
6	[JIS] JIS B 1199-2 (ISO 7719) - 2001	Prevailing Torque Type All-Metal Hexagon Lock Nuts, Style 1
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8	[UNI] UNI 9319 - 1994	Dadi esagonali autofrenanti normali interamente metallici con elemento elastico non agente direttamente sulla filettatura. filettatura metrica ISO a passo grosso e fine. categorie A E B
9	[GB] GB 1337 - 1988	Self-Locking Nuts,Hexagon
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11	[GB] GB /T 925 - 1988	Hexagon Self-locking Nuts-light Duty
12	[DIN EN ISO] DIN EN ISO 7719 - 2013	Prevailing Torque Type All-Metal Hexagon Regular Nuts-Property Classes 5, 8 And 10
13	[IFI] IFI 100-107 - 2002	Prevalllng-Torque Type Regular Hex And Light Hex Series Nuts
14	[JIS] JIS B 1199-2 (ISO 7042) - 2001	Prevailing Torque Type All-Metal Hexagon Lock Nuts - Style 2
15	[JIS] JIS B 1199-2 (ISO 7720) - 2001	Prevailing Torque Type All-metal Hexagon Nuts,style 2 - Property Class9
16	[JIS] JIS B 1199-2 (ISO 10513) - 2001	Prevailing Torque Type All-metal Hexagon Nuts,Style 2, With Metric Fine Pitch Thread
17	[NF] NF E 25-410 - 1997 (R2002)	Prevailing Torque Type All-Metal Hexagon Nuts. Property Classes 5, 8 And 10
18	[NF] NF E 25-411 (ESL/M)	All metal reusable dual slotted self-locking hexagon nut - Metric
19	[NF] NF E 25-411 (ESL/I)	All metal reusable dual slotted self-locking hexagon nut - UNC/UNF
20	[NF] NF E 25-411 (ESL/Stainless)	All metal reusable dual slotted self-locking hexagon nut - Stainless steel
21	[YJT] YJT 3021	All-Metal Prevailing Torque Type Hexagon Nuts with DTF-Lock thread, Type 2
22	[Others]	Rolling pin hexagon security nuts
23	[Others]	Rolling ball hexagon security nuts
24	[ISO] ISO 7719 - 2012	Prevailing Torque Type All-Metal Hexagon Regular Nuts-Property Classes 5,8 And 10
25	[GB] GB /T 6185.2 - 2016	Prevailing Torque Type All-Metal Hexagon Nuts,Style 2-Fine Pitch Thread
26	[GB] GB /T 6184 - 2000	Prevailing Torque Type All-Metal Hexagon Nuts,Style 1
27	[GB] GB /T 6185.1 - 2000	Prevailing torque type all-metal hexagon nuts,style 2
28	[GB] GB /T 6185.2 - 2000	Prevailing Torque Type All-Metal Hexagon Nuts, Style 2, With Fine Pitch Thread
29	[GB] GB /T 6186 - 2000	Prevailing Torque Type All-Metal Hexagon Nuts,Style 2-Property Class 9
30	[GB] GB 1339 - 1988	Self-Locking Nuts,Reduced Hexagon
31	[GB] GB 6185 - 1986	Prevailing Torque Type All - Metal Hexagon Nuts, Style 2 - Property Classes 5,8,10,and 12
32	[GB] GB 6186 - 1986	Prevailing Torque Type All-Metal Hexagon Nuts,Style 2 - Property Class 9
33	[GB] GB 1339 - 1977	Small hexagon self-locking nuts
34	[ISO] ISO 10513 - 2012	Prevailing Torque Type All-Metal Hexagon High Nuts With Metric Fine Pitch Thread - Property Classes 8,10 And 12
35	[ISO] ISO 7042 - 2012	Prevailing Torque Type All-Metal Hexagon High Nuts-Property Classes 5,8,10 And 12
36	[GB] GB /T 6185.1 - 2016	Prevailing Torque Type All-Metal Hexagon Nuts,Style 2
37	[ISO] ISO 7720 - 2012	Prevailing Torque Type All-Metal Hexagon Nuts,Style 2-Property Class 9
38	[ISO] ISO 10513 - 1997	Prevailing Torque Type All-metal Hexagon Nuts,Style 2, With Metric Fine Pitch Thread - Property Classes 8,10 And 12
39	[ISO] ISO 7042 - 1997	Prevailing torque type all-metal hexagon nuts,style 2—Property classes 5,8,10 and 12
40	[ISO] ISO 7719 - 1997	Prevailing torque type all-metal hexagon nuts,style 1—Property classes 5,8 and 10
41	[ISO] ISO 7720 - 1997	Prevailing Torque Type All-metal Hexagon Nuts,style 2 - Property Class9
42	[DIN] DIN 6925 - 1987	Prevailing Torque Type All-Metal Hexagon Nuts
43	[DIN] DIN 980 (V) - 1987	All-Metal Prevailing Torque Type Hexagon Nuts with Single Piece Metal (Type V)
44	[DIN] DIN 980 (M) - 1987	Prevailing Torque Type Hexagon Nuts with Two-piece Metal (Type M)
45	[DIN EN ISO] DIN EN ISO 7042 - 2013	Prevailing Torque Type All-Metal Hexagon High Nuts-Property Classes 5,8,10 And 12
46	[DIN EN ISO] DIN EN ISO 10513 - 2012	Prevailing Torque (All-Metal) Hexagon High Nuts, with Fine Pitch Thread - Product Grade A and B