1/4 - 5/8" Diameter Hex Head Cap Screw - Grade 8
Hex Head Cap Screws and Various Flange Bolts
- 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-6144 | Thread Size N/A 1/2-20 | Length N/A 1 1/4 in | Thread Length N/A 1 1/4 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
pn-6259 | 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 Zinc/Yellow | Thread Style N/A Coarse Thread |
pn-6238 | 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-6301 | Thread Size N/A 9/16-18 | Length N/A 1 1/4 in | Thread Length N/A 1 3/8 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6280 | Thread Size N/A 9/16-18 | 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 Fine Thread |
pn-6371 | Thread Size N/A 5/8-11 | Length N/A 1 1/4 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Coarse Thread |
pn-6322 | Thread Size N/A 5/8-11 | Length N/A 1 1/4 in | Thread Length N/A 1 1/2 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-6461 | Thread Size N/A 5/8-18 | Length N/A 1 1/4 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-6416 | Thread Size N/A 5/8-18 | Length N/A 1 1/4 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-6143 | Thread Size N/A 1/2-20 | Length N/A 1 1/8 in | Thread Length N/A 1 1/4 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
pn-6041 | Thread Size N/A 1/2-13 | Length N/A 1 1/8 in | Thread Length N/A 1 1/4 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5947 | Thread Size N/A 7/16-14 | Length N/A 1 1/8 in | Thread Length N/A 1 1/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5881 | Thread Size N/A 3/8-24 | Length N/A 1 1/8 in | Thread Length N/A 1 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
pn-5804 | Thread Size N/A 3/8-16 | Length N/A 1 1/8 in | Thread Length N/A 1 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5701 | Thread Size N/A 5/16-18 | Length N/A 1 1/8 in | Thread Length N/A 7/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5649 | Thread Size N/A 1/4-28 | Length N/A 1 1/8 in | Thread Length N/A 3/4 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
pn-5596 | Thread Size N/A 1/4-20 | Length N/A 1 1/8 in | Thread Length N/A 3/4 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5600 | Thread Size N/A 1/4-20 | Length N/A 1 3/4 in | Thread Length N/A 3/4 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5652 | Thread Size N/A 1/4-28 | Length N/A 1 3/4 in | Thread Length N/A 3/4 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
pn-5626 | Thread Size N/A 1/4-20 | Length N/A 1 3/4 in | Thread Length N/A 3/4 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Coarse Thread |
pn-5705 | Thread Size N/A 5/16-18 | Length N/A 1 3/4 in | Thread Length N/A 7/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5678 | Thread Size N/A 1/4-28 | Length N/A 1 3/4 in | Thread Length N/A 3/4 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Fine Thread |
pn-5808 | Thread Size N/A 3/8-16 | Length N/A 1 3/4 in | Thread Length N/A 1 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Coarse Thread |
pn-5848 | Thread Size N/A 3/8-16 | Length N/A 1 3/4 in | Thread Length N/A 1 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Coarse Thread |
pn-5756 | Thread Size N/A 5/16-24 | Length N/A 1 3/4 in | Thread Length N/A 7/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |