PK Tool
PT51201 19–63mm 3-Stone Brake & Clutch Cylinder Hone — Flexible Shaft
Part No: PT51201
Three-stone brake and clutch cylinder hone covering 19 mm to 63 mm bores. The flexible shaft and centre-spring drive self-centre in the bore for consistent glaze removal on brake cylinders, wheel cylinders, disc calipers and master cylinders.
19–63mm Range
3-Stone
Flexible Shaft
Self-Centring
Steel
Abrasive Stone
Features
- 19–63mm (3/4″–2½”) bore range for wide coverage
- Three medium-grit stones on sprung legs remove glaze quickly and evenly
- Square-end stones hone all the way to the end of step-cut and blind-end cylinders
- Flexible shaft and centre-spring drive self-centres for consistent contact
- Variable spring tension ensures smooth honing without scoring
- Collar prevents stone breakage; sleeve protects stones when not in use
- Suitable for brake cylinders, wheel cylinders, disc calipers and master cylinders
The self-centring spring drive keeps even contact pressure throughout the bore — essential for a clean, consistent hone without flat spots.
Authorised Australian Dealer — This product is sourced directly from PK Tool Australia and is backed by full Australian manufacturer warranty and local support.
Specifications
| Part Number | PT51201 |
|---|---|
| Bore Range | 19–63mm (3/4″–2½”) |
| Stone Count | 3 |
| Grit | Medium |
| Drive | Flexible Shaft with Centre Spring |
| Application | Brake Cylinder, Wheel Cylinder, Caliper & Master Cylinder Honing |






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