Lapping and PolishingHelilap Expander No. 7
Part number
303210
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
7Expander No.
No. 7For arbor
Specifications
| Type | Lap expander |
|---|---|
| Expander No. | 7 |
| For arbor | No. 7 |
| For laps | 1/2 - 39/64 in |
Standards
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