Okuma Howa Tool Blocks
Tool Block Features
- Bolt On Tool Blocks (Lathe Mounting Blocks & Block Tool Holders) for all types of Machines; New or Old.
- Block Tool Holders have a specific Bolt Hole Pattern unique to each Machine Make and Model.
- Select Block Tool Holders from list below. If you do not see your Machine Listed contact us at 888-988-8820. We sell Blocks for Every Machine.
- Made From Alloy Steel; Precision Machined and Ground. High Pressure Coolant Nozzles.
- Components Included: Wedges, Coolant Nozzles and Set Screws.
- Internal Coolant Option available for all ID Tool Blocks; add “INT” to the Part Number.
- Made in the USA.
- VDI ID Block Tool Holders; convert your standard Bolt On Block Lathe to a VDI Turret.
- ER 32 Collet ID Tool Blocks; offered in Standard Style and Recessed Style (Shown Below).
- Need to Hold a Very Long Bar; we can make any ID Tool Block “Extended Style” – Increase your Gripping Power!
- More ID Sizes Available – We make a variety of ID sizes Standard for All Blocks – Call for Listing & Prices!
| Bolt Hole Pattern: 90mm x 70mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| H4 | 1.5" | 40mm | HB4A-1 1/2 | HO4A-1RL 1" Sq. | HF4A-1RL 1" Sq. | CALL |
| 2" | 40mm | HB4A-2 | CALL |
| Bolt Hole Pattern: 80mm x 50mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| H6 | 1.5" | 40mm | HB6A-1.50 | HO6A-1RL 1" Sq. | HF6A-1RL 1" Sq. | CALL |
| 2" | 40mm | HB6A-2 | HO6B-1RL 1" Sq. | HF6B-1RL 1" Sq. | CALL | |
| 1.5" | 60mm | HB6B-1.50 | CALL | |||
| 2" | 60mm | HB6B-2 | CALL |
| Bolt Hole Pattern: 120mm x 80mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| H8 | 1.5" | 155mm | HB8-1.50-N | HO8-1L-N 1" Sq. | HF8-1RL-N 1" Sq. | CALL |
| 1.75" | 155mm | HB8-1.75-N | HO8-1R-N 1" Sq. | CALL |
| Bolt Hole Pattern: 90mm x 70mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| H8A | 1.75" | 120mm | HB8A-1.75-N | HO8B-1RN-N-W 1" Sq. | HF8A-1RN-N-W 1" Sq. | CALL |
| 2" | 120mm | HB8A-2-N | CALL |
| Bolt Hole Pattern: 95mm x 60mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| H10 | 1.5" | 110mm | HB10-1.50-N | HO10-1RL-N-W 1" Sq. | HF10-1RL-N-W 1" Sq. | CALL |
| 1.75" | 110mm | HB10-1.75-N | HO10-1.25-N-W 1.25" Sq. | HF10-1RL-N-W 1.25" Sq. | CALL | |
| 2" | 110mm | HB10-2-N | CALL | |||
| 2.5" | 110mm | † HB10-2.50-N | CALL |
| Bolt Hole Pattern: 100mm x 90mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| *Signifies M16 Bolt H10A |
2" | 120mm | HB10A-2 | HO10A-1 1" Sq. | HF10A-1 1" Sq. | CALL |
| 2.5" | 120mm | † HB10A-2.5 | HO10A-1.25 1.25" Sq. | HF10A-1.25 1.25" Sq. | CALL | |
| * HO10B-1 1" Sq. | * HF10B-1 1" Sq. | CALL | ||||
| * HO10B-1.25 1.25" Sq. | HF10B-1.25 1.25" Sq. | CALL |
| Bolt Hole Pattern: 75mm x 50mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| H12 | 1.5" | 105mm | HB12-1.50-N | HO12-1RL-N-W 1" Sq. | HF12-1RL-N-W 1" Sq. | CALL |
| 1.75" | 105mm | HB12-1.75-N | CALL | |||
| 2" | 105mm | † HB12-2-N | CALL |
| Bolt Hole Pattern: 140mm x 115mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| H22 | 2" | 128mm | † HB22-2-N | HO22-1RL 1" Sq. | HF22-1RL 1" Sq. | CALL |
| 2.5" | 128mm | † HB22-2.50-N | HO22-1.25RL 1.25" Sq. | HF22-1.25RL 1.25" Sq. | CALL | |
| 3" | 128mm | † HB22-3-N | CALL |
| Bolt Hole Pattern: 75mm x 50mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| HB9 | 1.25" | 130mm | HB9-1.25 | HO9-.75 .75" Sq. | HF9-.75 .75" Sq. | CALL |
| Bolt Hole Pattern: 80mm x 50mm Machine Model |
I.D. | Center Height |
Part Number Int. Coolant: Add -INT |
OD Turning Type I |
OD Facing Type II |
Price |
| HB23 | 1.5" | 43mm | HB23-1.5 | HO23-1RL 1" Sq. | HF23-1RL 1" Sq. | CALL |