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Keyway Slot Dimensions

  1. Ansi Standard Keyway Dimensions
  2. See Full List On Armstrongmetalcrafts.com
  3. Parallel Key And Keyway Sizes And Tolerances Miki Pulley

Keyway Chart

Ansi b17.1 keyway dimensionsSlotKeyway Slot Dimensions

The following tables show standard dimensions for keys and their grooves.

Easily calculate the values required to cut keyseats and keyways. Find the depths to cut in keyway and keyseat. Also calculated are the overall measurements for shaft and bore, as well as the chord height. Just enter the size of the key and shaft, then click 'Calculate'. + Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches.

Ansi Standard Keyway Dimensions

Metric – Rectangular
B.S.4235 : PART 1 : 1972

Keyway slot key dimensions tolerances
Key
Size
Over
A
C
E
R
12
3.970
4.000
3.985
4.015
4.030
3.970
12
5 x 5
3.0
3.1
2.3
2.4
0.25
22
5.970
6.000
5.985
6.015
6.030
5.970
22
8 x 7
4.0
4.2
3.3
3.5
7.000
6.910
30
10 x 8
5.0
5.2
3.3
3.5
8.000
7.910
38
12 x 8
5.0
5.2
3.3
3.5
8.000
7.910
44
14 x 9
5.5
5.7
3.8
4.0
9.000
8.910
50
16 x 10
6.0
6.2
4.3
4.5
10.000
9.910
58
18 x 11
7.0
7.2
4.4
4.6
11.000
10.890
65
20 x 12
7.5
7.7
4.9
5.1
12.000
11.890
75
22 x 14
9.0
9.2
5.4
5.6
14.000
13.890
85
25 x 14
9.0
9.2
5.4
5.6
14.000
13.890
95
28 x 16
10.0
10.2
6.4
6.6
16.000
15.890
110
32 x 18
11.0
11.2
7.4
7.6
18.000
17.890
130
36 x 20
12.0
12.3
8.4
8.7
20.000
19.870
150
40 x 22
13.0
13.3
9.4
9.7
22.000
21.870
170
45 x 25
15.0
15.3
10.4
10.7
25.000
24.870
200
50 x 28
17.0
17.3
11.4
11.7
28.000
27.870

Imperial – Rectangular
B.S.46 : PART 1 : 1958

Nominal Shaft Diam
Dimensions (Inches)
To (incl.)
B
D
F
1
5/16 x 1/4
0.146
0.152
0.112
0.118
0.253
0.250
1 1/4
3/8 x 1/4
0.150
0.156
0.108
0.114
0.253
0.250
1 1/2
7/16 x 5/16
0.186
0.192
0.135
0.141
0.315
0.312
1 3/4
1/2 x 5/16
0.190
0.196
0.131
0.137
0.315
0.312
2
5/8 x 7/16
0.260
0.266
0.185
0.191
0.441
0.438
2 1/2
3/4 x 1/2
0.299
0.305
0.209
0.215
0.503
0.500
3
7/8 x 5/8
0.370
0.376
0.264
0.270
0.629
0.625
3 1/2
1 x 3/4
0.441
0.447
0.318
0.324
0.754
0.750
4
1 1/4 x 7/8
0.518
0.524
0.366
0.372
0.879
0.875
5
1 1/2 x 1
0.599
0.605
0.412
0.418
1.006
1.000

Imperial – Square
B.S.46 : PART 1 : 1958

Nominal Shaft Diam
Dimensions (Inches)
To (incl.)
B
D
F
1/4
1/8 x 1/8
0.072
0.078
0.060
0.066
0.010
3/4
0.187
0.188
0.188
0.189
0.190
0.188
3/4
1/4 x 1/4
0.142
0.148
0.115
0.121
0.010
1 1/4
0.311
0.312
0.312
0.313
0.314
0.312
1 1/4
3/8 x 3/8
0.213
0.219
0.169
0.175
0.010
1 3/4
0.437
0.438
0.438
0.439
0.440
0.438
1 3/4
1/2 x 1/2
0.283
0.289
0.224
0.230
0.020
2 1/2
0.624
0.625
0.625
0.626
0.627
0.625
2 1/2
3/4 x 3/4
0.424
0.430
0.333
0.339
0.020
3 1/2
0.874
0.875
0.875
0.876
0.877
0.875
3 1/2
1 x 1
0.566
0.572
0.442
0.448
0.062
5
1.248
1.250
1.250
1.252
1.253
1.250
5
1 1/2 x 1 1/2
0.848
0.854
0.661
0.667
0.062

DIN 6885/1 :- Definition

See Full List On Armstrongmetalcrafts.com

Drive Type Fastenings without Taper Action; Parallel Keys, Keyways, Deep Pattern

Metric
d (from) mmd (to) mmbxht1t2
682x21.21
8103x31.81.4
10124x42.51.8
12175x532.3
17226x63.52.8
22308x743.3
303810x853.3
384412x853.3
445014x95.53.8
505816x1064.3
586518x1174.4
657520x127.54.9
758522x1495.4
859525x1495.4
9511028x16106.4
11013032x18117.4
13015036x20128.4
15017040x22139.4
17020045x251510.4
20023050x281711.4
23026056x322012.4
26029063x322012.4
29033070x362214.4
33038080x402515.4
38044090x452817.4
440550100x503119.5

Parallel Key And Keyway Sizes And Tolerances Miki Pulley

Labels: DIN, Engineering Standards and Codes, feature