<p>This table is to help identify bolts that have no grade marking, but have a manufactuer marking. If the bolts on this list than you can assume that it meets SAE J429 grade 2 specifications or the ASTM 307A specifications.</p><table>
<tbody>
<tr><th>Marking Picture</th><th>Manufactuer Name</th><th>Bolt Head Marking</th><th>Webpage the shows the minimum grade</th></tr>
<tr>
<td><img src="http://www.lpsindia.com/images/lps-example.jpg" alt="" width="100" height="64"></td>
<td>Lakshmi Precision Screws Ltd.</td>
<td>L P S</td>
<td><a href="http://www.lpsindia.com/grades.aspx">http://www.lpsindia.com/grades.aspx</a></td>
</tr>
<tr>
<td><img src="http://www.optimiz3.com/wp-content/uploads/2011/02/nucor-marking.png" alt="" width="74" height="64"></td>
<td>Nucor (Fastner Division)</td>
<td>n</td>
<td><a href="http://www.lpsindia.com/grades.aspx">http://www.nucor-fastener.com/Files/PDFs/TechDataSheets/TDS_005_Grade_2_&amp;_A307_Bolting.pdf</a></td>
</tr>
</tbody>
</table>

Marking Picture	Manufactuer Name	Bolt Head Marking	Webpage the shows the minimum grade
	Lakshmi Precision Screws Ltd.	L P S	http://www.lpsindia.com/grades.aspx
	Nucor (Fastner Division)	n	http://www.nucor-fastener.com/Files/PDFs/TechDataSheets/TDS_005_Grade_2_&_A307_Bolting.pdf

Bolt Manufactures with a Minimum of Grade 2 Bolts