Printable Grade Chart
This grade chart is for anyone comparing bolt strength markings on a quick reference sheet. It is a 1-page Letter PDF with three columns: Marking, Grade, and Use. The rows shown are None for SAE Grade 2 with light duty use, 3 lines for SAE Grade 5 with automotive and machinery use, and 6 lines for SAE Grade 8 with high strength use.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 57 KB
Free for personal, family and classroom use.
Use it as a simple reference when sorting fasteners, checking a part before installation, or keeping a copy with shop records. Print it and keep it near your tools, then match the bolt head marking to the grade and use column.
Good for
- Check bolt grade markings at a glance
- Sort fasteners by strength level
- Keep in a shop or toolbox
Tip: Print on plain paper and laminate it for use in a garage or shop.
5 files · PDF, XLSX
Get every sheet: Nut & Bolt Size Chart Pack
This sheet plus 4 more in one download, with the editable Excel files. Printable inch and metric hex nut charts (wrench size, thickness, threads), an actual-size bolt diameter gauge, a bolt grade marking chart and an Excel fastener lookup.
$5.00 USD, one-time 5 files · about $1.00 each
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