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Fully-Finished Adapter, Forged Steel, for 20" & 25" Independent Chucks, A8 Spindle Mount
Product Information
| Chuck Type | 4-Jaw Independent |
| Adapter Plate Mount | A8 |
| Adapter Plate Dia (in) | 12.40 |
| Chuck Dia (in) | 20 & 25 |
| Adapter Plate Thru-Hole (in) | 4.921 |
| Adapter Plate Material | Steel |
| Weight Gross (lbs) | 42.7 |
| Includes | Spindle Mounting Bolts, Hex Key |
Product Dimensions
| Chuck Dia (in) | 20 & 25 |
| Taper Size | A8 |
| Adapter OD A (in) | 12.40 |
| Taper Dia G (in) | 5.50075 |
| d Hole (in) | 4.921 |
| F (in) | 9.252 |
| E (in) | 6.7500 |
| B (in) | 1.969 |
| B1 (in) | 0.551 |
| C (in) | 10.63 |
| Chuck Mounting Bolts M (mm) | M20 |
| QTY | 4 |
| Spindle Mounting Bolts N (in) | 5/8"-11 |
| QTY | 6 |
Accessories
| Chucks | |
|---|---|
| 4-Jaw Plain Back Iron Body Independent Chucks 2 PC Jaws (20") | 1-301-2000 |
| 4-Jaw Plain Back Iron Body Independent Chucks Solid Jaws (20") | 1-302-2000 |
| 4-Jaw Plain Back Iron Body Independent Chucks 2 PC Jaws (25") | 1-301-2500 |
| 4-Jaw Plain Back Iron Body Independent Chucks Solid Jaws (25") | 1-302-2500 |
| Spare Parts | |
| Adapter/Spindle Mounting Bolts | MB-500A8 |
Product Information
Product Information
Shipping & Returns
Shipping & Returns



Fully-Finished Adapter, Forged Steel, for 20" & 25" Independent Chucks, A8 Spindle Mount
Fully-Finished Adapter, Forged Steel, for 20" & 25" Independent Chucks, A8 Spindle Mount
Product Information
| Chuck Type | 4-Jaw Independent |
| Adapter Plate Mount | A8 |
| Adapter Plate Dia (in) | 12.40 |
| Chuck Dia (in) | 20 & 25 |
| Adapter Plate Thru-Hole (in) | 4.921 |
| Adapter Plate Material | Steel |
| Weight Gross (lbs) | 42.7 |
| Includes | Spindle Mounting Bolts, Hex Key |
Product Dimensions
| Chuck Dia (in) | 20 & 25 |
| Taper Size | A8 |
| Adapter OD A (in) | 12.40 |
| Taper Dia G (in) | 5.50075 |
| d Hole (in) | 4.921 |
| F (in) | 9.252 |
| E (in) | 6.7500 |
| B (in) | 1.969 |
| B1 (in) | 0.551 |
| C (in) | 10.63 |
| Chuck Mounting Bolts M (mm) | M20 |
| QTY | 4 |
| Spindle Mounting Bolts N (in) | 5/8"-11 |
| QTY | 6 |
Accessories
| Chucks | |
|---|---|
| 4-Jaw Plain Back Iron Body Independent Chucks 2 PC Jaws (20") | 1-301-2000 |
| 4-Jaw Plain Back Iron Body Independent Chucks Solid Jaws (20") | 1-302-2000 |
| 4-Jaw Plain Back Iron Body Independent Chucks 2 PC Jaws (25") | 1-301-2500 |
| 4-Jaw Plain Back Iron Body Independent Chucks Solid Jaws (25") | 1-302-2500 |
| Spare Parts | |
| Adapter/Spindle Mounting Bolts | MB-500A8 |
$0.01
Fully-Finished Adapter, Forged Steel, for 20" & 25" Independent Chucks, A8 Spindle Mount—
$0.01
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Product Information
| Chuck Type | 4-Jaw Independent |
| Adapter Plate Mount | A8 |
| Adapter Plate Dia (in) | 12.40 |
| Chuck Dia (in) | 20 & 25 |
| Adapter Plate Thru-Hole (in) | 4.921 |
| Adapter Plate Material | Steel |
| Weight Gross (lbs) | 42.7 |
| Includes | Spindle Mounting Bolts, Hex Key |
Product Dimensions
| Chuck Dia (in) | 20 & 25 |
| Taper Size | A8 |
| Adapter OD A (in) | 12.40 |
| Taper Dia G (in) | 5.50075 |
| d Hole (in) | 4.921 |
| F (in) | 9.252 |
| E (in) | 6.7500 |
| B (in) | 1.969 |
| B1 (in) | 0.551 |
| C (in) | 10.63 |
| Chuck Mounting Bolts M (mm) | M20 |
| QTY | 4 |
| Spindle Mounting Bolts N (in) | 5/8"-11 |
| QTY | 6 |
Accessories
| Chucks | |
|---|---|
| 4-Jaw Plain Back Iron Body Independent Chucks 2 PC Jaws (20") | 1-301-2000 |
| 4-Jaw Plain Back Iron Body Independent Chucks Solid Jaws (20") | 1-302-2000 |
| 4-Jaw Plain Back Iron Body Independent Chucks 2 PC Jaws (25") | 1-301-2500 |
| 4-Jaw Plain Back Iron Body Independent Chucks Solid Jaws (25") | 1-302-2500 |
| Spare Parts | |
| Adapter/Spindle Mounting Bolts | MB-500A8 |























