Lapping and PolishingHelilap Expander No. 4
Part number
303207
Adjustable internal laps on tapered arbors for accurate sizing, straightening and rounding of bores. Expanders set the lap diameter and pullers remove laps from the arbor; laps can be machined down to the next size.
Lap expanderType
4Expander No.
No. 4For arbor
Specifications
| Type | Lap expander |
|---|---|
| Expander No. | 4 |
| For arbor | No. 4 |
| For laps | 5/16 - 23/64 in |
Standards
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