

HAAS ST / Okuma LB Facing Tool Block, 25 x 25 mm
Retail price as of 11.03.2026


Retail price as of 11.03.2026

Bolt-on block for HAAS and Okuma lathes with a 45 x 80 mm bolt pattern — HAAS calls it BOT20. For turning tools with a 25 x 25 mm square shank; the tool seat runs parallel to the spindle axis — for facing, grooving and OD turning.
| Turret interface | BOT 45 x 80 |
| Square shank | 25 × 25 mm |
| Overall height | 50 mm |
| Footprint | 102 × 100 mm |
| Clamping | 1 wedge, 2 × M10 |
| Coolant | external, both sides |
| Weight | 3.5 kg |
Tool left or right. The seat runs through the whole block. The tool can be clamped to project to the left or to the right, and there are coolant nozzles on both sides. One block covers both directions.
Mounting. Four screws onto the turret disc. What decides the fit is the 45 x 80 mm bolt pattern on your own turret — the machine list below is a guide.
Spare parts. Clamping wedge 832-007220 · coolant nozzle 833-001110 · stop plate 832-003045 · screw for stop plate 811-101026.
Machines per the manufacturer's catalogue:
Okuma — LB15 · LB25 · LB15II · LB300
HAAS — SL20 · SL30 · ST-20 · ST-25 · ST-30 · ST-35 · DS-30