HC276 Hast hex Bolts And Nuts Hex Head ASME ANSI B18.2.1
1. Dimensions Information
Hex bolt and nut dimension
Mon | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 |
P | 20l28l32 | 18l24l32 | 16l24l32 | 14l20l28 | 13l20l28 | 11l18l24 | 10l16l20 | 9l14l20 | 8l12l20 |
b | 0.75 | 0.875 | 1 | 1.125 | 1.25 | 1.5 | 1.75 | 2 | 2.25 |
s Max | 0.438 | 0.5 | 0.562 | 0.625 | 0.75 | 0.938 | 0.125 | 0.312 | 1.5 |
S Min | 0.425 | 0.484 | 0.544 | 0.603 | 0.725 | 0.906 | 1.088 | 1.269 | 1.45 |
e Max | 0.505 | 0.577 | 0.65 | 0.722 | 0.866 | 1.083 | 1.299 | 1.516 | 1.732 |
e Min | 0.484 | 0.552 | 0.62 | 0.687 | 0.826 | 1.033 | 1.24 | 1.447 | 1.653 |
k max | 0.188 | 0.235 | 0.268 | 0.316 | 0.364 | 0.444 | 0.524 | 0.604 | 0.7 |
k min | 0.15 | 0.195 | 0.226 | 0.272 | 0.302 | 0.378 | 0.455 | 0.531 | 0.591 |
r max | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.06 | 0.06 | 0.06 | 0.09 |
r min | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.03 |
2. Marterial chemical composition
Item | HC-276 | C-22 | C-4 | B2 | B3 | N |
C | ≤0.01 | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.01 | 0.04-0.08 |
Mn | ≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 |
Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 |
P | ≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | -- | ≤0.015 |
S | ≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | -- | ≤0.02 |
Si | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 |
Ni | rest | rest | rest | rest | ≥65 | rest |
Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 |
Ti+Cu | -- | -- | ≤0.7 | -- | ≤0.4 | ≤0.35 |
Al+Ti | -- | -- | -- | -- | ≤0.5 | ≤0.5 |
Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 |
Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 |
B | -- | -- | -- | -- | -- | ≤0.01 |
W | 3-4.5 | 2.5-3.5 | -- | -- | ≤3 | ≤0.5 |
V | ≤0.35 | ≤0.35 | -- | 0.2-0.4 | -- | ≤0.5 |
4. Application
Widely used in Industry, chemical, motorcycle, automitive, bicycle etc filelds.
For Electroplating/ Galvanization / anode coating match with titanium jigs and baskets.
Hexagon socket head bolt used for bicycles, Hex flange bolts used for motorcycles and automitive cars.
5. Relevant Products
6. FAQ
FAQ |
Q1.--How can you ensure the product quality? |
--All products are manufactured according to ASTM standard (Bolts are according to ASME MTC Material Test Certification. |
Q2.--Can you print our LOGO on the products? |
--Sure, and we welcome the customerized products. |
Q3.--Can we get the free sample? |
--Sure. |
Q4.--What about the payment terms? |
--T/T, L/C,Paypal,Western Union,Escrew and MoneyGram etc are all accepted. |
Q5.--Do you have your website? |
--Yes, Please click here. http://www.metalstitanium.com(Independent website) |
Q6.--What is the necessary information for a inquiry? |
--Product name, specification, material grade and quantity. If customized products, your drawing and special requests also needed. |