Factory Custom steel structure L/J7/U/I 9 Shape Foundation Bolts Anchor Bolts or Embedded part of foundation bolt of tower crane

Product name 

galvanized steel anchor bolt

Grade 

8.8 10.9 12.9 

Dirve type

hexagon head drive 

Color

galvanized steel,HDG ,BLACK oxide

Material 

35CrMoA, 35CrMo, 30CrMoA, 30CrMo, 42Cr2MoA, 42Cr2Mo;
25Cr2MoVA, 40CrNiMoA, 20Cr1Mo1VNbTiB, 35CrMoVA, 20Cr12NiMOWV;
A193-B7, B7M, L7, L7M, B16, B8, B8A, B8M, B8MA, B6
A194-2H, 2HM, Gr. 4, GR. 7, 7M, 8, 8M, 8C
ASTM A182/A182M F51, F53, F55
ASTM A453/A453M Gr. 660A, 660B 660C 660D
GH132/SUH660/A286/AISI660/S66286/1.4980

Standard 

DIN GB ISO JIS BA ANSI

Non-standards

OEM is available if you provide drawings or samples.

Precise Tolerance

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;

Used

building industry machinery

Finsh

Zinc Plate(white,blue,yellow,black)/Zn/Ni Plating/Mechanical Zinc Plating/Cr3+/Black Oxide/Ni Plate/Brass
Plate/Electrophoresis/Dacromet/Hot-dipped Galvanized/Positive Electrode Oxidization etc.

Delivery time

working days as usual,It will based on the detailed order

Measuring Instruments /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;

Production Equipment

1)Cold Forging Machine;2)Punching Machine;

3)CNC Machining Center;
4)CNC Lathe;
5)CNC Milling Machine;
6)Precision Cutting Machine;
7)Grinding Machine;

Manufacture Process

Incoming quality control →Process Quality Control →Final Quality Control → Pre-shipment Quality Control