SPI 77-391-1 Precision Steel Parallel
Product Code: 77-391-1MFGID: 77-391-1
Brand: SPI
Product Description
77-391-1 Steel Parallel
The 77-391-1 size is 8″ x 1/2″ x 1″.
Features:
- Made of quality steel, hardened and precision ground on all 4 sides.
- Sold individually.
- No need to buy matched pairs. These parallels can be purchased and used individually or can be matched with any number of other individual parallels at any time.
- Different sizes can be used together. For example, a 6″ x 1/2″ x 1″ parallel can be used with one 8″ x 3/4″ x 1″.
- Held to size +/-0.00025″ on four sides.
- Adjacent sides per square inch within 0.0005″.
The 77-391-1 has opposite sides parallel within 0.0001″ per 6″.
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