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Same specifications, different dimensions for other parts.

Metric Square And Pectang-Ular Keys

ASME/ANSI B 18.25.3M - 1998 (R2008)

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Size

Series
b	min
	max
h	min
	max
s	min
	max
L

方形	方形	方形	方形	方形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形
2	3	4	5	6	5	6	8	8	10	10	12	12	14
2.04	3.04	4.045	5.045	6.045	5.045	6.045	8.05	8.05	10.05	10.05	12.075	12.075	14.075
2	3	4	5	6	3	4	5	7	6	8	6	8	6
2.04	3.04	4.045	5.045	6.045	3.16	4.175	5.175	7.19	6.175	8.19	6.175	8.19	6.175
0.16	0.16	0.16	0.25	0.25	0.25	0.25	0.25	0.25	0.4	0.4	0.4	0.4	0.4
0.25	0.25	0.25	0.4	0.4	0.4	0.4	0.4	0.4	0.6	0.6	0.6	0.6	0.6
6~20	6~36	8~45	10~56	14~70	10~56	14~70	18~90	18~90	22~110	22~110	28~140	28~140	36~160

Size

Series
b	min
	max
h	min
	max
s	min
	max
L

矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形
14	16	16	18	18	20	20	22	22	25	25	28	28	32
14.075	16.075	16.075	18.075	18.075	20.05	20.05	22.05	22.05	25.05	25.05	28.05	28.05	32.09
9	7	10	7	11	8	12	6	14	9	14	10	16	11
9.19	7.19	10.19	7.19	11.21	8.19	12.21	6.175	14.21	9.21	14.19	10.21	16.28	11.28
0.4	0.4	0.4	0.4	0.4	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
0.6	0.6	0.6	0.6	0.6	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
36~160	45~180	45~180	50~200	50~200	56~220	63~260	70~280	80~320	90~360	100~400	-	-	-

Size

100

Series
b	min
	max
h	min
	max
s	min
	max
L

矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形	矩形
32	36	36	40	45	50	56	63	70	80	90	100
32.09	36.09	36.09	40.09	45.09	50.09	56.125	63.125	70.125	80.125	90.135	100.135
18	12	20	22	25	28	32	32	36	40	45	50
18.28	12.28	20.28	22.28	25.28	28.28	32.31	32.31	36.31	40.31	45.31	50.31
0.6	1	1	1	1	1	1.6	1.6	1.6	2.5	2.5	2.5
0.8	1.2	1.2	1.2	1.2	1.2	2	2	2	3	3	3
-	-	-	-	-	-	-	-	-	-	-	-

Alternative history

ANSI/ASME B 18.25.3M - 1998 ANSI/ASME B 18.25.3M - 1998(R2008)

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Similar Standards

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12	[DIN] DIN 6885 (F) - 1968	Parallel Keys, With Two Step Bores For Fixation Screw - Type F
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18	[DIN] DIN 6885 (J) - 1968	Parallel Keys, With Taper and One Step Hole For Clamping Sleeve - Type J
19	[DIN] DIN 6885-1 (H) - 2021	Parallel Keys, With Taper and Two Step Bore For Fixation Screw - Type H
20	[ISO] ISO 2491 - 1974	Thin Parallel Keys
21	[DIN] DIN 6885 (E) - 1968	Parallel Keys, With Two Step Bores For Fixation Screw - Type E
22	[ASME/ANSI] ASME/ANSI B 18.25.3M - 1998	Metric Interference Fit Flat Key
23	[DIN] DIN 6885-1 (E) - 2021	Parallel Keys, With Two Step Bores For Fixation Screw - Type E
24	[DIN] DIN 6880 (A) - 2011	Square Key
25	[DIN] DIN 6323 (C) - 2003	Slot stones, loose - Form C
26	[DIN] DIN 6323 (A) - 2003	Slot stones, loose - Form A
27	[DIN] DIN 6885 (D) - 1968	Parallel Keys,With Step Bore Fore Fixation Screw - Type D
28	[DIN] DIN 6885-1 (D) - 2021	Parallel Keys,With Step Bore Fore Fixation Screw - Type D
29	[DIN] DIN 6885-1 (C) - 2021	Parallel Keys, with Step Bore Fore Fixation Screw - Type C
30	[DIN] DIN 6880 (C) - 2011	Flat Rectangular Key
31	[UNI] UNI 6605 - 1969	Parallel keys - Type III
32	[GB] GB 1567 - 1979	Sguare And Rectangular Thin Keys
33	[UNI] UNI 6605 - 1969	Parallel keys - Type IV
34	[GB] GB /T 1097 - 2003	Square And Rectangular Keys
35	[UNI] UNI 6604 - 1969	Flat key
36	[GB] GB 1097 - 1979	Square And Rectangular Keys
37	[GB] GB /T 1567 - 2003	Sguare And Rectangular Thin Keys
38	[GB] GB /T 1096 - 1979	Square and Rectangular keys
39	[UNI] UNI 7510 - 1976	Thin parallel keys
40	[UNI] UNI 6605 - 1969	Parallel keys - Type V
41	[GB] GB /T 1096 - 2003	Square And Rectangular Keys
42	[UNI] UNI 6605 - 1969	Parallel keys - Type II
43	[UNI] UNI 6605 - 1969	Parallel keys - Type VI
44	[UNI] UNI 6605 - 1969	Parallel keys - Type I
45	[GOST] GOST 23360 - 1978	Keys couplings with prismatic Keys
46	[IS] IS 2048 (A) - 1983	Type A - Keys with both ends round
47	[IS] IS 2048 (B) - 1983	Type B - Keys with both ends square
48	[IS] IS 2048 (C) - 1983	Type C - keys with both ends round with hole for one retaining screw
49	[IS] IS 2048 (D) - 1983	Type D - keys with both ends square with hole for one retaining screw
50	[IS] IS 2048 (E) - 1983	Type E - Keys with both ends round with holes for two retaining screws
51	[IS] IS 2048 (F) - 1983	Type F - Keys with both ends square with holes for two retaining screws
52	[IS] IS 2048 (G) - 1983	Type G - keys with both ends square with chamfer and hole for one retaining screw
53	[IS] IS 2048 (H) - 1983	Type H - Keys with both ends square with chamfer and holes for two retaining screws
54	[IS] IS 2048 (J) - 1983	Type J - keys with both ends square with chamfer and hole for one spring dowel sleeve