Lister 5/1 Diesel

Key Dimensions & Proportions

Based on UK Sizes in BS 46: Pt1 1929


BS Plain Rectangular Taper Keys (Taper 1 in 100) Keyways and Bars - Part 2 of Table 1

Size Finished Key Bar Tolerances Standard Lengths
Min
Width
Min
Thickness
On Key On Keyway On Key Bar Min Increasing
By
Max
Width
-0.0000
Thickness
-0.0000
Width
+0.0000
Depth
-0.0000
Width & Thickness
-0.0000
3/32" 0.0978" 0.0978" +0.0010" +0.0020" -0.0010" +0.0010" +0.0020" 3/8" 1/8" 3/4"
1/8" 0.1290" 0.1290" +0.0010" +0.0020" -0.0010" +0.0010" +0.0020" 1/2" 1/8" 1"
5/32" 0.1603" 0.1603" +0.0010" +0.0020" -0.0010" +0.0010" +0.0020" 5/8" 1/8" 1-1/4"
3/16" 0.1915" 0.1603" +0.0010" +0.0020" -0.0010" +0.0010" +0.0020" 3/4" 1/4" 1-1/2"
1/4" 0.2540" 0.1915" +0.0010" +0.0020" -0.0010" +0.0010" +0.0020" 1" 1/4" 2"
5/16" 0.3165" 0.2228" +0.0010" +0.0020" -0.0010" +0.0010" +0.0020" 1-1/4" 1/4" 2-1/2"
3/8" 0.3790" 0.2540" +0.0010" +0.0020" -0.0010" +0.0010" +0.0020" 1-1/2" 1/4" 3"
7/16" 0.4425" 0.2863" +0.0015" +0.0020" -0.0015" +0.0010" +0.0020" 1-3/4" 1/4" 3-1/2"
1/2" 0.5050" 0.3488" +0.0015" +0.0040" -0.0015" +0.0010" +0.0020" 2" 1/2" 4"
9/16" 0.5675" 0.3800" +0.0015" +0.0040" -0.0015" +0.0010" +0.0020" 2-1/2" 1/2" 4-1/2"
5/8" 0.630" 0.4113" +0.0015" +0.0040 -0.0015" +0.0010" +0.0020" 2-1/2" 1/2" 5"
11/16" 0.6945" 0.4758" +0.0020" +0.0040" -0.0020" +0.0015" +0.0030" 3" 1/2" 5-1/2"
3/4" 0.7570" 0.5070" +0.0020" +0.0040" -0.0020" +0.0015" +0.0030" 3" 1/2" 6"
7/8" 0.8820" 0.6320" +0.0020" +0.0040" -0.0020" +0.0015" +0.0030" 3-1/2" 1/2" 7"
1" 1.0070" 0.6945" +0.0020" +0.0040" -0.0020" +0.0015" +0.0030" 4" 1" 8"
1-1/8" 1.132" 0.7570" +0.0020" +0.0040" -0.0020" +0.0015" +0.0030" 5" 1" 9"
1-1/4" 1.2570" 0.8195" +0.0020" +0.0040" -0.0020" +0.0015" +0.0030" 5" 1" 10"
1-3/8" 1.3830" 0.9455" +0.0025" +0.0050" -0.0025" +0.0015" +0.0040" 6" 1" 11"
1-1/2" 1.5080" 1.0080" +0.0025" +0.0050" -0.0025" +0.0015" +0.0040" 6" 1" 12"
1-5/8" 1.6330" 1.0705" +0.0025" +0.0050" -0.0025" +0.0015" +0.0040" 7" 1" 13"
1-3/4" 1.7580" 1.1955" +0.0025" +0.0050" -0.0025" +0.0015" +0.0040" 7" 1" 14"
1-7/8" 1.8850" 1.2600" +0.0030" +0.0050" -0.0030" +0.0020" +0.0040" 8" 1" 15"
2" 2.0100" 1.3850" +0.0030" +0.0050" -0.0030" +0.0020" +0.0040" 8" 2" 16"
2-1/4" 2.2600" 1.5100" +0.0030" +0.0050" -0.0030" +0.0020" +0.0040" 10" 2" 18"
2-1/2" 2.5100" 1.6350" +0.0030" +0.0050" -0.0030" +0.0020" +0.0040" 10" 2" 20"
2-3/4" 2.7620" 1.8870" +0.0040" +0.0050" -0.0040" +0.0020" +0.0050" 12" 2" 22
3" 3.0120" 2.0120" +0.0040" +0.0050" -0.0040" +0.0020" +0.0050" 12" 2" 24"


MainMechanical Menu Key Table Part 1