1/4 - 5/8" Diameter Hex Head Cap Screw - Grade 8
Custom Cap Screws and Small Screws
- National Bolt & Nut offers a series of 1/4 - 5/8 inch diameter hex head cap screws that meet ANSI B18.2.1 dimensional specifications. Our 1/4 - 5/8 inch diameter hex head cap screws are reliable fasteners for both construction and machinery parts.
- All our premium 1/4 - 5/8 inch diameter hex head cap screws feature rolled threads. Our hex head cap screws measuring 1/4 - 1 1/2 inches meet SAE J429 standards for both material and physical properties, while our hex head cap screws measuring 1 3/4 - 2 inches (equivalent to Grade 8) meet ASTM A354 Grade BD standards for both material and physical properties.
- Other materials and finishes available. For further information, call or send an information request.
Item # |
Thread Size |
Length |
Thread Length |
Grade/Class |
Finish |
Thread Style |
|---|---|---|---|---|---|---|
| pn-6165 pn-6165/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 8 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6166 pn-6166/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 8 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6167 pn-6167/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 9 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6168 pn-6168/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 9 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6169 pn-6169/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 10 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6170 pn-6170/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 10 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6171 pn-6171/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 11 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6172 pn-6172/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 11 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6173 pn-6173/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 12 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6174 pn-6174/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 12 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6175 pn-6175/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 13 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6176 pn-6176/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 13 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6177 pn-6177/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 14 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6178 pn-6178/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 14 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6179 pn-6179/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 15 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6180 pn-6180/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 15 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6181 pn-6181/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 16 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6182 pn-6182/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 16 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6183 pn-6183/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 17 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6184 pn-6184/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 17 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6185 pn-6185/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 18 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6186 pn-6186/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 18 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6187 pn-6187/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 19 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6188 pn-6188/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 19 1/2 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
| pn-6189 pn-6189/Asset/a0001069.jpg | Thread Size N/A 1/2-20 | Length N/A 20 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |

