3 MM Timing Pulley Flanges
Aluminum & Steel

| Aluminum Part # |
Steel Part # |
# Grooves |
Inside Dia ±0.003 |
Outside Dia ±0.015 |
Width ±0.010 |
Thickness |
| 10-3MMFA |
10-3MMFS |
10 |
0.244 |
0.505 |
0.045 |
0.025 |
| 11-3MMFA |
11-3MMFS |
11 |
0.270 |
0.530 |
" |
" |
| 12-3MMFA |
12-3MMFS |
12 |
0.322 |
0.580 |
" |
" |
| 13-3MMFA |
13-3MMFS |
13 |
0.350 |
0.610 |
0.052 |
0.032 |
| 14-3MMFA |
14-3MMFS |
14 |
0.374 |
0.635 |
" |
" |
| 15-3MMFA |
15-3MMFS |
15 |
0.426 |
0.685 |
" |
" |
| 16-3MMFA |
16-3MMFS |
16 |
0.452 |
0.710 |
" |
" |
| 17-3MMFA |
17-3MMFS |
17 |
0.452 |
0.740 |
" |
" |
| 18-3MMFA |
18-3MMFS |
18 |
0.504 |
0.790 |
" |
" |
| 19-3MMFA |
19-3MMFS |
19 |
0.530 |
0.815 |
" |
" |
| 20-3MMFA |
20-3MMFS |
20 |
0.574 |
0.895 |
" |
" |
| 22-3MMFA |
22-3MMFS |
22 |
0.626 |
0.945 |
" |
" |
| 24-3MMFA |
24-3MMFA |
24 |
0.704 |
1.025 |
" |
" |
| 25-3MMFA |
25-3MMFS |
25 |
0.738 |
1.060 |
" |
" |
| 26-3MMFA |
26-3MMFS |
26 |
0.774 |
1.105 |
" |
" |
| 28-3MMFA |
28-3MMFS |
28 |
0.849 |
1.173 |
" |
" |
| 30-3MMFA |
30-3MMFS |
30 |
0.924 |
1.250 |
" |
" |
| 32-3MMFA |
32-3MMFS |
32 |
0.999 |
1.323 |
" |
" |
| 34-3MMFA |
34-3MMFS |
34 |
1.074 |
1.398 |
0.060 |
0.040 |
| 36-3MMFA |
36-3MMFS |
36 |
1.149 |
1.473 |
" |
" |
| 38-3MMFA |
38-3MMFS |
38 |
1.225 |
1.549 |
" |
" |
| 40-3MMFA |
40-3MMFS |
40 |
1.300 |
1.625 |
" |
" |
| 44-3MMFA |
44-3MMFS |
44 |
1.450 |
1.775 |
" |
" |