Cylinder Hone 75-77mm 180 Grit Flexible Engine Bore Honing Tool

A cylinder hone for 75-77mm bores, used for light honing and internal surface finishing work. The flexible abrasive design helps it follow the bore more naturally, making it a practical choice where a rigid tool would be less forgiving.

Used in workshop, garage and rebuild work, this type of bore finishing tool suits mechanics, engineers and repair users working on internal cylinders and similar round openings. This flexible hone is suited to slower, controlled honing rather than aggressive material removal, making it useful for cleaning up internal surfaces during servicing, repair jobs and general maintenance work where the bore size falls within this range.

The working diameter range is 75-77mm and the abrasive is 180 grit, which suits light honing and surface finishing rather than heavy cutting. A 7.8mm shaft means it is worth checking your drill or drive setup before use, and the maximum operating speed is 300rpm for controlled running within its intended range. The flexible action helps the tool stay in contact with the internal surface more evenly, which is useful when working inside bores where access is limited and a consistent finish is needed. For regular workshop use, that controlled action can help make bore finishing jobs more straightforward.

Cylinder hone specifications

• Working range: Suitable for bores from 75mm to 77mm.
• Abrasive grade: 180 grit for light honing and internal surface finishing.
• Design: Flexible honing action follows the bore more naturally than a rigid tool.
• Shaft size: 7.8mm shaft diameter, so check compatibility with your setup before use.
• Speed limit: Maximum drive speed of 300rpm for controlled operation.

A straightforward option for controlled bore finishing in workshop and repair use.