Lister 5/1 Diesel

Threading Tables

Chart No 7 - Cycle Engineer's Standard Threads


Cycle Engineer's Standard Threads (60 Deg)
Dimensions in Inches except where stated

Thread Form Data
Diameter O/Diameter Core Radius Depth Pitch Effective Dia T.P.I Tapping Drill
17 IWG** 0.056 0.0388 0.002687 0.0086 0.01613 0.0474 62 No 61
16 IWG 0.064 0.0468 0.002687 0.0086 0.01613 0.0554 62 3/64"
15 IWG 0.072 0.0548 0.002687 0.0086 0.01613 0.0634 62 No 54
14 IWG 0.080 0.0628 0.002687 0.0086 0.01613 0.0714 62 1.60mm
13 IWG 0.092 0.0730 0.002982 0.0095 0.0179 0.0825 56 No 49
12 IWG 0.104 0.0798 0.00378 0.0121 0.0227 0.0919 44 No 46
1/8" 0.125 0.0984 0.004165 0.0133 0.0250 0.1117 40 2.5mm
0.154" 0.154 0.1274 0.004165 0.0133 0.0250 0.1407 40 No 30
0.175 0.175 0.1417 0.005214 0.0166 0.0313 0.1584 32 3.6mm
3/16" 0.1875 0.1542 0.005214 0.0166 0.0313 0.1709 32 5/32"
1/4" 0.250 0.2090 0.006414 0.0205 0.0385 0.2295 26 No 4
0.266" 0.266 0.2250 0.006414 0.0205 0.0385 0.2455 26 No 1
0.281" 0.281 0.2400 0.006414 0.0205 0.0385 0.2605 26 6.10mm
5/16" 0.3125 0.2715 0.006414 0.0205 0.0385 0.2920 26 7mm
3/8" 0.375 0.3340 0.006414 0.0205 0.0385 0.3545 26 8.50mm
9/16" 0.5625 0.5092 0.006414 0.0266 0.0385 0.5359 26 13mm
1" 1.00 0.9590 0.006414 0.0205 0.0385 0.9795 26 24.50mm
1.29" 1.290 1.2456 0.006947 0.0222 0.0417 1.2678 24 1.25"
1.37" 1.370 1.3256 0.006947 0.0222 0.0417 1.3478 24 1-21/64"
1-7/16" 1.4375 1.3931 0.006947 0.0222 0.0417 1.4153 24 35.50mm
1-1/2" 1.500 1.4556 0.006947 0.0222 0.0417 1.4778 24 37mm
**IWG = Imperial Wire Gauge Wire gauge sizes are for spokes, larger sizes for hubs and pedals


Main Mechanical menu