ASTM A307 Grade A Hex Bolts Hex Cap Screws
Standard: ASME B18.2.1
(Various types of configuration are also available)
Thread Size: 1/4”-4” with various lengths
Grade: ASTM A307 Grade A
Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on
Packing: Bulk about 25 kgs each carton, 36 cartons each pallet
Advantage: High Quality and Strict Quality Control, Competitive Price,Timely Delivery; Technical Support, Supply Test Reports
Please feel free to contact us for more details.
ASTM A307
The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4″ through 4″ diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 round bar. There are three grades A, B, and C* which denote tensile strength, configuration, and application. Refer to the Mechanical Properties Chart for the subtle strength differences within each grade.
| A | Headed bolts, threaded rods and bent bolts intended for general applications. |
|---|---|
| B | Heavy hex bolts and studs intended for flanged joints in piping systems with cast iron flanges. |
| C* | Nonheaded anchor bolts, either bent or straight, intended for structural anchorage purposes. The end of a grade C anchor bolt intended to project from the concrete will be painted green for identification purposes. Permanent marking is a supplemental requirement. *As of August 2007, grade C has been replaced by specification F1554 grade 36. We will continue to supply grade C, if required by the project. |
| Grade | Tensile, ksi | Yield, min, ksi | Elong %, min |
|---|---|---|---|
| A | 60 min | -- | 18 |
| B | 60 - 100 | -- | 18 |
| C* | 58 - 80 | 36 | 23 |
| Element | Grade A | Grade B |
|---|---|---|
| Carbon, max | 0.29% | 0.29% |
| Manganese, max | 1.20% | 1.20% |
| Phosphorus, max | 0.04% | 0.04% |
| Sulfur, max | 0.15% | 0.05% |
| Nuts | Washers | ||
|---|---|---|---|
| A307 Grades A & C* | A307 Grade B | ||
| 1/4 - 1-1/2 | 1-5/8 - 4 | 1/4 - 4 | |
| A563A Hex | A563A Heavy Hex | A563A Heavy Hex | F844 |
Welcome to our video series: How to Change a Tire on a 1998 era Dodge Caravan. In the second episode, I show you the factory jack instructions and how to find jacking points. Before you raise the car at all, make sure you step the e-brake down so it’s good and tight. This is a front wheel drive, we’re changing a front wheel, so there’s nothing holding those back wheels should we get going. The instructions indicate how to use the factory wrench to move the jack down, how to get the jack out, and where to situate the jack beneath the vehicle. I demonstrate how to align the hole in the jack with the corresponding pin behind the tire. For the Complete Change a Tire Series from start to finish, click here: https://tinyurl.com/zd3ehko. When I’m not changing tires on our vehicle, I’m busy sweeping chimneys and doing WETT inspections in the Victoria BC area.
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On the CapitolCityDean Channel, master tradesman Dean Brandhagen and Austrian chef Vanessa von Schellwitz earnestly share our real perspectives in an attempt to demystify the confusing and difficult parts of life, from chimney inspections to gourmet cooking to travel tips and many topics in between.
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I am a WETT certified wood heat professional and woodburning systems advisor and Red Seal Journeyman Bricklayer with 40 years of hands on experience. I inspect, sweep, repair, restore, and install chimneys, wood stoves, and fireplaces. The inspections are for insurance purposes and mortgage loans. I perform chimney cleaning services and installations with the safest up-to-date technology. Check our chimney sweep page for great ideas https://flue.guru/chimney-cleaning-vic…
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