| Key ^ | Value | 
|---|---|
| Clearance Diameter (C) MAX | 1.987 in | 
| Country of Origin | USA | 
| Finish Specification | Hot Process Black Oxide, Impregnated with Naphthenic Oil, Centrifugally Dried | 
| Forged Clamp Screw | 1/4-28 | 
| Hex Wrench Size | 3/16 in | 
| Manufacturer | Ruland Manufacturing | 
| Material Specification | 1215 Carbon Steel Bar | 
| Note 1 | Performance ratings are for guidance only. The user must determine suitability for a particular application. | 
| Number of Screws | 2 ea | 
| Outer Diameter (OD) | 1 3/4 in | 
| Recommended Gap | 0.063 in | 
| Recommended Shaft Tolerance | +0.0000 in / -0.0005 in | 
| Screw Finish | Black Oxide | 
| Screw Location (R) | 0.678 in | 
| Screw Material | Alloy Steel | 
| Seating Torque | 170 lb-in | 
| Tariff Code | 8483.60.8000 | 
| Temperature | -40?F to 350?F (-40?C to 176?C) | 
| Threaded Bore (B1) | 1 in - 8 TPI | 
| UNSPC | 31162811 | 
| UPC | 634529029381 | 
| Weight (lbs) | 0.221500 | 
| Width (W) | 0.500 in | 
| Width Tolerance | +0.003 in / -0.010 in |