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This page lists our range of
metric Woodruff keys.
Woodruff keys are used to locate the
prop drivers of many four and 2 stroke model engines, and are
also widely used to locate pulleys, gears, chain wheels and hubs etc to drive
shafts on many forms of rotating machinery.
Please scroll down this page for
detailed key and keyway dimensions in accordance with BS4235-2 and ISO 3912
| You can download and store
this page off-line in PDF format by clicking here |
Download
Page |
or request a full PDF
catalogue here
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Metric
Woodruff Keys
(all dimensions in millimetres -
scroll down for full dimension table) |
Nominal Key Size
(bxD) |
Nominal Key
Height (h1) |
Nominal length* |
MF Ref |
Price Each |
You can enter/change the number of items on the order form |
| 2x7 |
2.6 |
6.18 |
MF-WK0207 |
£1.50 |
|
| 2x10 |
3.7 |
9.27 |
MF-WK0210 |
£1.50 |
|
| 2.5x10 |
3.7 |
9.33 |
MF-WK2510 |
£1.50 |
|
| 3x13 |
5.0 |
12.4 |
MF-WK0313 |
£1.50 |
|
| 3x16 |
6.5 |
15.4 |
MF-WK0316 |
£1.50 |
|
| 4x16 |
6.5 |
15.14 |
MF-WK0416 |
£1.75 |
|
| 4x19 |
7.5 |
18.25 |
MF-WK0419 |
£1.75 |
|
| 5x16 |
6.5 |
15.25 |
MF-WK0516 |
£1.75 |
|
| 5x19 |
7.5 |
18.27 |
MF-WK0519 |
£1.75 |
|
| 5x22 |
9.0 |
21.40 |
MF-WK0522 |
£1.75 |
|
| 6x22 |
9.0 |
21.45 |
MF-WK0622 |
£2.00 |
|
| 6x28 |
11.00 |
27.00 |
MF-WK0628 |
£2.00 |
|
*Length is stated for
identification purposes and does not appear on the BS or ISO standards.
If the size you require is not
listed, please e mail us with your requirements.
 |
|
Metric Woodruff Key and Keyway Dimensions and Tolerances (all
dimensions in millimetres) |
|
in accordance with BS 4235-2:1977 and ISO 3912-1977 |
|
b x h1 x D |
Width b |
Depth |
Radius R |
|
Nom |
Tolerance Class |
Shaft t1 |
Hub t2 |
|
Normal |
Close |
|
Shaft |
Hub |
Shaft & Hub P6 |
Nom |
Tol |
Nom |
Tol |
Max |
min |
|
N9 |
Js9 |
|
1.0 x 1.4 x 4 |
1 |
|
|
|
1 |
|
0.6 |
|
0.16 |
0.08 |
|
1.5 x 2.6 x 7 |
1.5 |
|
|
|
2 |
|
0.8 |
|
0.16 |
0.08 |
|
2.0 x 2.6 x 7 |
2 |
-0.004 |
0.012 |
-0.006 |
1.8 |
0.1 |
1 |
|
0.16 |
0.08 |
|
2.0 x 3.7 x 10 |
2 |
-0.029 |
-0.012 |
-0.0031 |
2.9 |
0 |
1 |
|
0.16 |
0.08 |
|
2.5 x 3.7 x 10 |
2.5 |
|
|
|
2.7 |
|
1.2 |
|
0.16 |
0.08 |
|
3.0 x 5.0 x 13 |
3 |
|
|
|
3.8 |
|
1.4 |
0.1 |
0.16 |
0.08 |
|
3.0 x 6.5 x 16 |
3 |
|
|
|
5.3 |
|
1.4 |
0 |
0.16 |
0.08 |
|
4.0 x 6.5 x 16 |
4 |
|
|
|
5 |
0.2 |
1.8 |
|
0.25 |
0.16 |
|
4.0 x 7.5 x 19 |
4 |
|
|
|
6 |
0 |
1.8 |
|
0.25 |
0.16 |
|
5.0 x 6.5 x 16 |
5 |
0 |
0.015 |
-0.012 |
4.5 |
|
2.3 |
|
0.25 |
0.16 |
|
5.0 x 7.5 x 19 |
5 |
-0.03 |
-0.015 |
-0.042 |
5.5 |
|
2.3 |
|
0.25 |
0.16 |
|
5.0 x 9.0 x 22 |
5 |
|
|
|
7 |
|
2.3 |
|
0.25 |
0.16 |
|
6.0 x 9.0 x 22 |
6 |
|
|
|
6.5 |
0.3 |
2.8 |
|
0.25 |
0.16 |
|
6.0 x 11.0 x 28 |
6 |
|
|
|
7.5 |
0 |
2.8 |
0.2 |
0.25 |
0.16 |
|
8.0 x 11.0 x 28 |
8 |
0 |
0.018 |
0.015 |
8 |
|
3.3 |
0 |
0.4 |
0.25 |
|
10.0 x 13.0 x 32 |
10 |
-0.036 |
-0.018 |
-0.051 |
10 |
|
3.3 |
|
0.4 |
0.25 |
| 
