Extreme Bolt & Fastener Blog
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xtreme Bolt & Fastener is a leading supplier of specialty fasteners for the aerospace, defense, motorsports, and medical industries. Their blog covers a wide range of topics related to fasteners, including materials, coatings, and testing procedures.
Extreme Bolt & Fastener Blog
1M ago
Q: We are trying to move away from zinc plated 12.9 bolts due to hydrogen embrittlement problems and the geomet finish is giving us problems due to the diameter of the screw. As a better solution, we have thought about using Super Duplex screws or Nimonic 80A screws. I understand that ..read more
Extreme Bolt & Fastener Blog
1M ago
Q: We are in search for a bolt material that can handle sulfuric acid – compatible with 96% H2SO4. The exposure should be low and only on an infrequent basis. Also, these applications when H2SO4, DI Water is used to flush and clean off the surfaces during any maintenance that occurs inside the ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: I’m looking to source high temperature nuts, bolts and washers for a marine engine exhaust system with a continuous temperature rating of 600C. Is there a material that can handle the temps and corrosion? A: Probably the best material you could have at 600C in a marine environment would be ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: We are in need of 3/8″-16 a 1-1/2″ hex head cap screws in material that can withstand 1700° F operating temperature. What would you recommend? A: A good option to consider would be 310 hex bolts. This is a high temperature stainless steel that should be good up to 2000F ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: We are essentially having issue identifying the highest available high strength stainless steel nylon insert nuts. Is Duplex 2205 the best option? A: If you are just looking for strength for your lock nut with a nylon insert, one of the highest strength stainless steel’s you could consider would be 17-4 PH ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: I’m looking to purchase some ¼-20 bolts/nuts/washers that will be suitable to fasten metal plate together at 1,300C. The fasteners need to last at least 4 minutes at this temperature but preferably longer. The load on the bolts will be very low. A: I think there are a couple ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: What is the difference between “standard” Inconel 718 and Inconel 718 per AMS 5962 A: While nothing about Inconel 718 is standard, however the most popular variety of Inconel 718 bolts is per ASTM B637. For this version of s, the bolts are age hardened to have a minimum ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: Why is Aluminum 7075 often used for aircraft? A: There are many grades of aluminum bolts but those categorized under grade 7075 are specifically used for aerospace and other high stress structural applications that require a combination of strength and extreme light weight. Grade 7075 can be tempered to different conditions ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: How does Aluminum 7075 compare to titanium grade 5? A: Aluminum 7075 can be tempered to many different strengths. The strongest being T6 which not only offers the highest strength. The primary drawback being that it also has low fracture toughness. Aluminum 7075-T6 bolts offer more strength than grade 2 titanium ..read more
Extreme Bolt & Fastener Blog
2M ago
Q: We are looking to find an electrically non-conductive bolt that would also work at temperatures up to 500 F max. They will be used for an electrically live part isolation kit. Anything that will fit the bill? A: Without any understanding of your strength requirements, and focusing solely on the ..read more