A grade 8 bolt is stronger than heremonly used grade 5. It is made of alloy steel and has six radial lines on the top of the bolt head. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. heremend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts / hex cap screws. Feb 21, 2010 Fastener warehouse lists 8 bolts Fastener Warehouse: 1/2-13 x 8 Carriage Bolt Grade 8 Lots of places list grade 5 and grade 8 but, the hard part has been the length with only a 1/2 diameter. I thought the head would be the limiting factor on strength as well. all coarse thread. grade 8 hex bolts zp. 5 3/ 8 -16x3 grade 8 hex nuts zy. 20 3/ 8 grade 8 split lock washers zy. top quality bolts / new and unused buy the best from the best! 20 3/ 8 -

19 rows Hex bolts, Zinc plated grade 8 steel yellow, 1/2-13. Hex bolt length is measured from … Find great deals on eBay for grade 8 bolt 8 inch. Shop with confidence. Skip to main content. eBay Logo: Shop by category. F911 3/ 8 -24 Fine Thread Grade 9 Hex Bolt 3 Inches Long - Pack of Ten Bolts . Brand New. $52.29. FAST 'N FREE. Buy It Now. Guaranteed by Tue, Apr. 2. Free Shipping. Grade 8 Bolts and hereprised of carbon-alloy steel, heat treated in a carbon controlled atmosphere and are generally the most durable and reliable fastener. Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi.

1/4-28 grade 8 bolt product id: 0022 description: 1/4-28 grade 8 bolts are plated yellow zinc (gold),7/16 wrenching,and are partly threaded unless noted. domestic made (usa).note bolts over 6 are plain!unless noted. price: $0.07 Shop a large range of grade 8 fully threaded bolt at MSC Industrial Supply. MSC Industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today! Standard Grade 8 Fasteners Grade 8 steel is hardened to handle 150,000 psi tensile strength. This makes it ideal for many automotive, farm, and industrial uses. Click on the links below to select just the sizes of cap screws, washers, nuts, or bolts you are looking for.