Screw Bolt Astm A325M Zinc Heavy Wobble Double Hex Pin Bolts and Nuts Parameters:
Material
Carbon Steel
Size
M12-M36
Surface treatment
Black Finish, Zinc Plated, Hot Dipped Galvanized
Package
Carton Packing+Pallet
Payment way
TT, LC
Certificates
ISO9001:2008
Product Name
High quality hex bolts
Material
45# steel, 4OCr, 35crMoA, 40MnB, 40MnVB and other alloy steel
Color
white, blue, yellow, black, OEM
Standard
DIN, ISO, ANSI, BS, JIS
Grade
8.8, 10.9 and 12.9
Diameter
M10-M48, 3/8-2″
Length
30MM-1000MM
Finishing
zinc plate(white, blue, yellow, black), Cr3+, black oxide, Ni plate, brass plate, electrophoresis, dacromet, hot-dipped galvanized, etc.
The Most Precise Tolerances Process
1) Shaft diameter below 6mm and maximum pore size tolerance up to 0.003mm
2) Shaft diameter larger than 6mm and pore size tolerance is 0.005mm
3) Linearity below 100mm distance etc, tolerance is up to 0.005mm
4) 100mm or more distance linear tolerance is up to 0.01mm
5) A form tolerance is up to 0.003 – 0.005mm
6) Position tolerance is up to 0.01mm
Production Equipment
1) CNC Machining Center
2) CNC Lathe
3) CNC Milling Machine
4) Precision Cutting Machine
1. Grade: 2, 4, 4.8, 5,6, 6.8, 8, 8.8, 10.9, 12.9, 14.9
2. Size: M10-48, 3/8-2″
3. Standard: DIN, ANSI, BS, GB, ISO, JIS, Other
4. Certification: SGS
Measuring Instruments and Equipment
1) micrometer
2) smooth plug gauge
3) thread gauge
4) Image measuring instrument
5) Coordinate Measuring Machine
6) Roughness tester
7) routine inspection of calipers
Preferred Drawing Formats
JPEG, PDF, CAD, IGS, STP
Preferred Industries
1) Communication Equipments
2) Medical Equipments
3) Photo electricity Equipments
4) Auto Industry
5) Mechanical Equipments
6) Other customized Parts
Types of our fasteners, Hex Slotted Castle Nut
Various Bolts, Screws, Studs(Threaded rods), Nuts, Washers, Rivets, Non standard Products, Precious parts, stampling, Casting parts, etc.
Other services are consulted in dealing
If you have any inquiry, just feel free to contact and let me know which exactly item(type) you need, I will do my best to service you here.
ASTM A325 is an ASTM International standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength. It defines mechanical properties for bolts that range from 1 ⁄ 2 to 1 1 ⁄ 2 inches (13 to 38 mm) in diameter.
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