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Okuma Howa Tool Blocks

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.
New Items
  • 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!
To order any of these items enter the Part Number into the search bar above. (This will take you to the product page where you can add the item to the shopping cart)
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