5/16-24 x 1.000 12pt black oxide bolts Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car,boat or trailer. ARPs specially alloyed stainless steel bolts and heat-treated 8740 chrome moly bolts with black oxide finish are nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware.
Whats more,you cant beat the gorgeous looks of ARPs specially polished stainless steel fasteners,and their ability to resist rust. Theyre truly maintenance free!
You can get 5-packs of any diameter bolt from #10 to 1/2˝or M6 to M12 in lengths ranging from 1/2˝to 6˝in your choice of hex or 12-point heads with washers included. Matching nuts are also available.
(ARP-741-1000)
![](https://cdn2.arp-bolts.com/site/ARP2015_BulkBoltDrawing_horiz.png)
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1 | UHL | 1.000Ë | 5 | Grip Diameter | 5/16Ë |
2 | Thread Length | 1.000Ë | 6 | Wrenching | 3/8Ë |
3 | Grip Length | n/aË | 7 | Head Height | 0.300Ë |
4 | Thread Diameter-Pitch | 5/16-24 | 8 | Collar Diameter | 0.620Ë |