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 |
---|---|---|---|---|---|---|
Custom | Thread Size N/A Custom | Length N/A Custom | Thread Length N/A Custom | Grade/Class N/A | Finish N/A Custom | Thread Style N/A Custom |
pn-6320 | Thread Size N/A 9/16-18 | Length N/A 8 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6319 | Thread Size N/A 9/16-18 | Length N/A 7 1/2 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6318 | Thread Size N/A 9/16-18 | Length N/A 7 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6317 | Thread Size N/A 9/16-18 | Length N/A 6 1/2 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6316 | Thread Size N/A 9/16-18 | Length N/A 6 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Zinc/Yellow | Thread Style N/A Fine Thread |
pn-6315 | Thread Size N/A 9/16-18 | Length N/A 5 1/2 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-6314 | Thread Size N/A 9/16-18 | Length N/A 5 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-6313 | Thread Size N/A 9/16-18 | Length N/A 4 1/2 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-6312 | Thread Size N/A 9/16-18 | Length N/A 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-6311 | Thread Size N/A 9/16-18 | Length N/A 3 3/4 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-6310 | Thread Size N/A 9/16-18 | Length N/A 3 1/2 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-6309 | Thread Size N/A 9/16-18 | Length N/A 3 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-6308 | Thread Size N/A 9/16-18 | Length N/A 3 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-6307 | Thread Size N/A 9/16-18 | Length N/A 2 3/4 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-6306 | Thread Size N/A 9/16-18 | Length N/A 2 1/2 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-6305 | Thread Size N/A 9/16-18 | Length N/A 2 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-6304 | Thread Size N/A 9/16-18 | Length N/A 2 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-6303 | Thread Size N/A 9/16-18 | Length N/A 1 3/4 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-6302 | Thread Size N/A 9/16-18 | Length N/A 1 1/2 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-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-6300 | Thread Size N/A 9/16-18 | Length N/A 1 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-6299 | Thread Size N/A 9/16-18 | Length N/A 8 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
pn-6298 | Thread Size N/A 9/16-18 | Length N/A 7 1/2 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |
pn-6297 | Thread Size N/A 9/16-18 | Length N/A 7 in | Thread Length N/A 1 5/8 in | Grade/Class N/A Grade 8 | Finish N/A Plain | Thread Style N/A Fine Thread |