Lister 5/1 Diesel

Key Dimensions & Proportions

Based on UK Sizes in BS 46: Pt1 1929


BS Woodruff Keys and Keyways - Table 3

BS Key No Diameter of Key Depth of Key Thickness of Key Width of Keyway
in Shaft
Width of Keyway
in Hub or Boss
Depth of
Keyway in Shaft
Depth of Keyway
in Hub @ C/Line
Corresponding
BS Woodruff
Key Cutter
+0.00"
-0.005"
+0.00"
-0.005"
+0.00"
-0.001"
-0.00"
+0.001"
-0.00"
+0.001"
-0.00"
+0.005"
-0.00"
+0.005"
10 0.500" 0.203" 0.0635" 0.0615" 0.0635" 0.1668" 0.042" 1
20 0.500" 0.203" 0.0948" 0.0928" 0.0948" 0.1511" 0.057" 2
30 0.500" 0.203" 0.1260" 0.1240" 0.1260" 0.1355" 0.073" 3
40 0.625" 0.250" 0.0948" 0.0928" 0.0948" 0.1981" 0.057" 4
50 0.625" 0.250" 0.1260" 0.1240" 0.1260" 0.1825" 0.073" 5
60 0.625" 0.250" 0.1573" 0.1553" 0.1573" 0.1669" 0.089" 6
70 0.750" 0.313" 0.1260" 0.1240" 0.1260" 0.2455" 0.073" 7
80 0.750" 0.313" 0.1573" 0.1553" 0.1573" 0.2299" 0.089" 8
90 0.750" 0.313" 0.1885" 0.1865" 0.1885" 0.2143" 0.104" 9
100 0.875" 0.375" 0.1573" 0.1553" 0.1573" 0.2919" 0.089" 10
110 0.875" 0.375" 0.1885" 0.1865" 0.1885" 0.2763" 0.104" 11
115 0.875" 0.375" 0.2510" 0.2490" 0.2510" 0.2450" 0.16" A
130 1.000" 0.438" 0.1885" 0.1865" 0.1885" 0.3393" 0.104" 13
150 1.000" 0.438" 0.2510" 0.2490" 0.2510" 0.3080" 0.136" 15
155 1.000" 0.438" 0.3135" 0.3115" 0.3135" 0.2768" 0.167" B
160 1.125" 0.484" 0.1885" 0.1865" 0.1885" 0.3853" 0.104" 16
180 1.125" 0.484" 0.2510" 0.2490" 0.2510" 0.3540" 0.136" 18
185 1.125" 0.484" 0.3135" 0.3115" 0.3135" 0.3228" 0.167" C
210 1.250" 0.547" 0.2510" 0.2490" 0.2510" 0.4170" 0.136" 21
215 1.250" 0.547" 0.3135" 0.3115" 0.3135" 0.3858" 0.167" D
225 1.250" 0.547" 0.3760" 0.3740" 0.3760" 0.3545" 0.198" E
230 1.375" 0.594" 0.3135" 0.3115" 0.3135" 0.4328" 0.167" 23
235 1.375" 0.594" 0.3760" 0.3740" 0.3760" 0.4015" 0.198" F
240 1.500" 0.641" 0.2510" 0.2490" 0.2510" 0.5110" 0.136" 24
250 1.500" 0.641" 0.3135" 0.3115" 0.3135" 0.4798" 0.167" 25
255 1.500" 0.641" 0.3760" 0.3740" 0.3760" 0.4485" 0.198" G


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