Lathe Chuck Dimensions
This page provides lathe chuck capacities and mounting dimensions.
3-Jaw Lathe Chucks
3-Jaw Self-Centering Lathe Chuck Capacities
| Rated Capacity | Practical Maximum | ||||||
| LMS P/N | Chuck | Diameter | Center Hole |
Inside Jaws |
Outside Jaws |
Inside Jaws |
Outside Jaws |
| 2916 | 2" 3-Jaw | 50mm (1.97") |
N/A | 2-14mm (0.08-0.55") |
25-33mm (0.98-1.30") |
||
| 1187 | 3" 3-Jaw | 80mm (3.15") |
16mm (0.63") |
2-22mm (0.08-0.87") |
22-63mm (0.87-2.48") |
1.15" | 2.75" |
|
1698 1941 |
4" 3-Jaw | 100mm (3.94") |
22mm (0.87") |
2-30mm (0.08-1.18") |
30-80mm (1.18-3.15") |
1.60" | 3.75" |
|
2337 2345 |
5" 3-Jaw | 125mm (4.92") |
30mm (1.18") |
2.5-40mm (0.10-1.57") |
38-110mm (1.50-4.33") |
2.0" | 4.0" |
| 2028 | 6" 3-Jaw | 160mm (6.30") |
40mm (1.57") |
3-55mm (0.12-2.17") |
55-145mm (2.16-5.71") |
||
3-Jaw Self Centering Lathe Chuck Mounting Dimensions

| Chuck | Diameter D |
Registration Recess Diameter D1 |
Bolt Circle Diameter D2 |
Center Hole D3 |
Registration Recess Depth h |
Body Thickness H |
Number and Size of Bolts |
|---|---|---|---|---|---|---|---|
| 3" 3-Jaw | 80mm (3.15") |
55mm (2.17") |
66mm (2.60") |
16mm (0.63") |
3.5mm (0.14") |
50mm (1.97") |
3 M6 |
| 4" 3-Jaw | 100mm (3.94") |
72mm (2.83") |
84mm (3.31") |
22mm (0.87") |
3.5mm (0.14") |
55mm (2.17") |
3 M8 |
| 5" 3-Jaw | 125mm (4.92") |
95mm (3.74") |
108mm (4.25") |
30mm (1.18") |
3.5mm (0.14") |
58mm (2.28") |
3 M8 |
| 6" 3-Jaw | 160mm (6.30") |
130mm (5.12") |
142mm (5.59") |
40mm (1.57") |
5mm (0.20") |
65mm (2.56") |
3 M8 |
4-Jaw Lathe Chucks
4-Jaw Independent Lathe Chuck Capacities
| Rated Capacity | Practical Maximum | ||||||
| LMS P/N | Chuck | Chuck Diameter |
Center Hole |
Inside Jaws |
Outside Jaws |
Inside Jaws |
Outside Jaws |
| 1175 | 3" 4‑Jaw | 80mm (3.15") |
22mm (0.87") |
5-40mm (0.20-1.57") |
35-80mm (1.38-3.15") |
2.0" | 4.0" |
|
1588 1697 |
4" 4-Jaw | 100mm (3.94") |
25mm (0.98") |
6-45mm (0.24-1.77") |
40-100mm (1.57-3.94") |
2.75" | 5.0" |
|
2338 2346 |
5" 4-Jaw | 125mm (4.92") |
30mm (1.18") |
7-57mm (0.28-2.24") |
48-125mm (1.89-4.92") |
||
| 2038 | 6" 4-Jaw | 160mm (6.30") |
45mm (1.77") |
8-80mm (0.31-3.15") |
50-160mm (1.97-6.30") |
||
4-Jaw Independent Lathe Chuck Mounting Dimensions

| Chuck | Diameter D |
Registration Recess Diameter D1 |
Bolt Circle Diameter D2 |
Center Hole D3 |
Registration Recess Depth h |
Body Thickness H |
Number and Size of Bolts |
| 3" 4-Jaw | 80mm (3.15") |
55mm (2.17") |
66mm (2.60") |
22mm (0.87") |
3mm (0.12") |
42mm (1.65") |
4 M6 |
| 4" 4-Jaw | 100mm (3.94") |
72mm (2.83") |
84mm (3.31") |
25mm (0.98") |
3.5mm (0.14") |
54mm (2.13") |
4 M8 |
| 5" 4-Jaw | 125mm (4.92") |
95mm (3.74") |
108mm (4.25") |
30mm (1.18") |
4.5mm (0.18") |
56mm (2.20") |
4 M8 |
| 6" 4-Jaw | 160mm (6.30") |
65mm (2.56") |
95mm (3.74") |
45mm (1.77") |
5mm (0.20") |
65mm (2.56") |
4 M10 |
Special Lathe Chucks
Special Lathe Chuck Capacities
| Rated Capacity | |||||
| LMS P/N | Chuck | Diameter | Center Hole |
Inside Jaws |
Outside Jaws |
| 2361 | 4" 4-Jaw Self Centering |
102mm (4.02") |
20mm (0.79") |
3.5-32mm (0.14-1.26"") |
32-80mm (1.26-3.14") |
Special Lathe Chuck Mounting Dimensions

| Chuck | Diameter D |
Registration Recess Diameter D1 |
Bolt Circle Diameter D2 |
Center Hole D3 |
Registration Recess Depth h |
Body Thickness H |
Number and Size of Bolts |
| 4" 4-Jaw Self Centering |
102mm (4.02") |
70mm (2.76") |
83mm (3.27") |
20mm (0.79") |
4mm (0.16") |
50mm (1.97") |
3 M8 |
| 4" 6-Jaw Self Centering |
100mm (3.94") |
72mm (2.83") |
84mm (3.31") |
26mm (1.02") |
3.5mm (0.14") |
53.5mm (2.11") |
3 M8 |