Category Archives: Lightweight

Q: What makes Titanium fasteners per ASTM B348 unique? A:  ASTM B348 is a specification that applies to pure titanium grades 1-4 as well as alloyed grade 5 and 23 titanium. The spec refers to requirements for hot or cold worked bars from which bolts and threaded rod are made. Titanium bolts per … Continue reading

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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, … Continue reading

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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, … Continue reading

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Q: Can you suggest a different material with similar strength-to-weight ratio as the 7075, that can be produced with a diameter M3-0.5? A: Since an M3 bolt is too small to be produced from Aluminum 7075, I would suggest either grade 2 titanium bolts or grade 5 titanium bolts.  For … Continue reading

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Q: How does titanium compare to Aluminum 7075 in terms of strength and density. I need a really strong material with a low strength to weight ratio. A: A titanium bolt will be more dense than an Aluminum 7075 bolt with a density of  4.51 g /cm3 compared to 2.81 … Continue reading

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Q: I’m working on a medical prototype that requires a strong bolt that is biocompatible. I know I want titanium but not sure which grade is adequate for medical use. A: Typically medical grade titanium screws are produced from grade 23 or TI 6AL-4V ELI or grade 5 6AL4V. A … Continue reading

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Non-magnetic fasteners service a variety of applications mainly where magnetic “interference” needs to be avoided. Cryogenic and medical applications such as MRI’s are just a few of the key places non-magnetic fasteners are needed. This newsletter highlights a few specialty metal fasteners that can service non-magnetic needs. Inconel Bolts Non-magnetic … Continue reading

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PEEK, PVDF and PTFE all offer lightweight, electrical & thermal insulation and great corrosion resistance. But when it comes to strength, temperature, purity and corrosion, each has its niche. The newsletter points out which is best to use in different conditions. TEMPERATURE PEEK and PTFE screws offer excellent high temperature … Continue reading

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Titanium is an amazing material offering strength, lightness of weight, and corrosion resistance but there are also instances that titanium should not be used. This brief newsletter covers the do’s and don’ts of titanium screws. Do Use for Saltwater & Chloride Resistance One of the most noteworthy uses of titanium … Continue reading

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Q: I need a fastener that is very low weight and offers good wear resistance for a robotics application. I need about 40 ksi in strength. A: For your application I would actually suggest an engineered polymer fasteners since your strength requirement isn’t high enough to necessitate a metal . … Continue reading

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Q:  I have a lightweight application that requires high strength. I’ve tried aluminum screws because I thought they were ultra lightweight but after breaking I increased my bolt size and now I have more weight and still breakage. No sure what to do. A:  Yes aluminum is a lightweight material … Continue reading

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small-worm-driveExtreme bolt offers hose clamps in Titanium and Hastelloy C276. This newsletter overviews the two styles available – worm drive and medium duty – as well as highlight what materials are best for your application. Titanium Grade 2 hose clamps are in stock and available in the sizes shown here. Hastelloy C276 hose clamps are custom made to order … Continue reading

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Q: I needed a lightweight fastener and tried aluminum but it can’t come close to sustaining the weight of my application. Can you suggest anything compatibly light weight that is stronger? A: Titanium mass is about 50% less than steel however when compared to aluminium is still about 60% heavier. … Continue reading

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Q: I have a robotic application where I need a fastener that is both lightweight and strong. Also, the style of the fastener needs to provide a wide clamping area in a low clearance area. Any suggestions? A: A material you might consider is Titanium, grade 5. The most common … Continue reading

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threaded-flangeQ: When do you recommend to use a threaded flange? I need a flange that can be changed easily & frequently. A:   After speaking with the customer, I found out that he has a pilot plant where he will be frequently changing parts. In this case a threaded flange is … Continue reading

Posted in Corrosion Resistance, FAQs, High Strength, High Temperature Resistance, Lightweight, Non-Conductive, Specialty Metal Fasteners, Technical Questions, Ultra Purity, Uncategorized | Tagged , , , , , , | Leave a comment