These ARP 12-point stainless steel bolts measure 5/16-18 thread by 1.750 inch under head length and are machined from 300 series stainless steel for corrosion resistance and a bright polished finish. Each bolt ships with a washer and takes a 3/8 inch 12-point socket, and the fasteners are rated to roughly 170,000 psi for high clamp load assemblies. Sold as a set of five.
| Type | 12-point flange bolt |
| Material | 300 series stainless steel |
| Thread | 5/16-18 (RH) |
| Length | 1.750 in under-head (UHL) |
| Wrenching | 3/8 in, 12-point |
| Tensile Strength | 170,000 psi |
| Included | Washers |
| Quantity | 5 (pack) |
| Part Number | 612-1750 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
