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For Brembo 2 piece calipers Material: Titanium Tightening torque: 23-24N・m
[Size] d=M8 P=1.25 S=6 Dc=13 K=5 L=40
*Please check the picture for detailed size.
* The image is only for reference. The image shown may differ from the actual product.
Most of the fastening bolts of calipers are made of steel, which causes corrosion, but titanium bolts do not rust semi-permanently because they form an immobile film on the surface. In addition, by replacing with titanium bolts, the unsprung weight is reduced and the visual is improved.
●Hot forging, machining, and component rolling ZETA titanium products feature a simple design with no unnecessary decorative processing. It focuses on the original purpose of titanium, and there is no unnecessary processing. Not only cutting titanium parts, but also hot forging process is applied to achieve tensile strength that exceeds material strength. The head is precision machined to ensure optimum quality, and because of the high strength of the material, it can be designed one size smaller to further reduce weight. The rolling process is used for the threaded part to prevent seizure and galling.
●64 titanium is used In Japan, it is commonly called "64 titanium", but the correct name is "JIS Type 60" and "TAB6400". The American ASTM standard calls it as "ASTM B348 Gr5" (Grade 5). The notation "Ti-6AL-4V" specifies the chemical composition, which means that 6% aluminum (AL) and 4% vanadium (V) are contained in the mass fraction. It is widely recognized and used as a medical metal for implants, artificial bones, etc. Because of its strength, it is used in aircraft, space industry, nuclear industry, industrial turbines, automobile and motorcycle exhausts, and golf club heads. 64 titanium alloy is the most commonly used alloy, accounting for 70% of all titanium alloys.
Lightweight: Specific gravity is about 4.5.Intermediate between iron 7.8 and aluminum 2.8.(55-60% weight of iron) High strength: Tensile strength is more than 900N / mm2, comparable to 930N / mm2 of SCM435 (chromium molybdenum steel). No rusting: The passive film is formed on the surface, so it does not deteriorate semi-permanently. Friendly to people and the environment: Since there is no concern about metal allergy, it is used as an implant and artificial bone.It is also recyclable. Beautiful: It is also used as an ornament because of its excellent corrosion resistance.Various colors can be produced by anodic oxidation. Difficult to process: High technology is required for cutting, press forming and welding. High price: In addition to being a rare metal, it takes time to refine and is difficult to process. Seizure and galling: Weak against friction and prone to seizure and galling.
●Comparison in Strength between types of titanium and other Metals Pure titanium: It is less expensive than other titanium alloys.Excellent in corrosion resistance but low in strength. α alloy: Excellent in creep resistance (deformation rate against stress for a long time).Excellent in welding work, but poor in workability. β alloy: It has the highest strength among the titanium alloys.It has excellent processability, but the production cost is very high. α-β alloy: It has high strength, ductility and toughness, and excellent workability.ZETA titanium products are made of Ti- AI-4V with alpha-beta alloy.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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Ratings & reviews for this product or related products
Basically, I think it's preferable to use the Bolt set by the manufacturer as it is for functional severe parts such as the brake area, but I trusted the fact that it was made by ZETA, a well-known company, and bought it.
Currently, the new Crab caliper is not sold with a single body seal, so the O-ring on the mating face of the caliper will have to be reused. So I installed it at the time of new installation to avoid breaking Caliper as much as possible.
M8 BoltQuantity:Since it is 2pc, the effect of weight reduction is within the margin of error, and there is no effect that can be experienced in terms of function. The unique aesthetics and rust resistance of Titaniumium Bolt is a Merit.
The question is whether you can find the value of 1000 yen/book in this Merit.
If you simply want to use Titaniumium Bolt, there are inexpensive products on the market, but I think it's better for your mental health to choose a brand that you know to some extent, especially in areas that are functionally secure, such as the brake area.
ZETA claims to be hot forging and thread rolling, and also publishes simple specifications for the material, so I think it is relatively safe to use. In fact, I prefer to use ZETA products for severe parts and have not experienced any inconvenience so far.
This product is not the only one, but it is a Titaniumium Bolt, which is easy to bite, so care is needed in that respect.View Detail
I bought the Caliper, but I didn't like the standard BridgeBolt and bought it I'm already in a world of self-congratulation here (laughs) It's easy to replace it with a standard one, but Don't overload the torques because the hexagon holes are relatively shallow Be especially careful with this Bolt Head as it is thin I closed at 2.5k both front and back Afterwards, Titanium must be used with an anti-sagging agent I use the WAKOS stuff It looks better and I like it, but.. It's still self-satisfying, isn't it (laughs)?
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