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-6215 pn-6215/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6216 pn-6216/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6217 pn-6217/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6218 pn-6218/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6219 pn-6219/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6220 pn-6220/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6221 pn-6221/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6222 pn-6222/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6223 pn-6223/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6224 pn-6224/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6225 pn-6225/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6226 pn-6226/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6227 pn-6227/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6228 pn-6228/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6229 pn-6229/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6230 pn-6230/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6231 pn-6231/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6232 pn-6232/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6233 pn-6233/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6234 pn-6234/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6235 pn-6235/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6236 pn-6236/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 Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6237 pn-6237/Asset/a0001069.jpg | Thread Size N/A 9/16-12 | Length N/A 1 in | Thread Length N/A 1 3/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-6238 pn-6238/Asset/a0001069.jpg | Thread Size N/A 9/16-12 | Length N/A 1 1/4 in | Thread Length N/A 1 3/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-6239 pn-6239/Asset/a0001069.jpg | Thread Size N/A 9/16-12 | Length N/A 1 1/2 in | Thread Length N/A 1 3/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |