BPW
OEM No. 0310677040
GUNITE 3166
WEBB 66893
GUNITE 2983C
WEBB 67518
GUNITE 3600AX
WEBB 66864B
GUNITE 3922X
WEBB 66884B
GUNITE 2705
WEBB 62200
Brake surface diameter:419.1
Brake surface width:193.8
Pilot Diameter:216.7
Bolt circle diameter:285.75
Mumber of bolt holes:10
Bolt hole size:20.6
Overall depth:268.9

Brake drum introductions

1) Adapt to: BENZ  BPW  MAN  FUWA DAF  VOLVO HOWO DONGFENG ect.

2) Process: It is produced by Coated Sand Precision Casting.

3) Better control of wall thinckness differece.

4) Best quality and smoothest surface.

5) We are original brake drum supplier of Dongfeng truck in China.

Brake drum details

1)Material: Gray iron HT250, Meet the American Standard G3000, Also offer ductile cast iron. 

2) Designer: Technical expert take in charge of making drawings for the sample offered by client.

3) Test requriment: Each piece should be strictly tested, Eg. Brake Drum Blance Test, Round Jumpness Test .

4) Casting: Automatic production line including sand mixing, moulding and pouring.

5) Machining: Brake drums are produced by CNC machining.

6) Inspection: Advance test equipment including CMM, tensile strength testing machine, hardness tester, spectrometer, parallel tester, etc.

7) Chermical composition:

C:3.0-3.3%  Si:1.6-1.9%  Mn:0.7-0.9%   P:<0.12%    S<0.12%
8) Mechanics performance:
Main body degree of hardness:163-255HBS
Testing rod tensile strength:>=220mpa

9) Every detail contribute to our product of consistent quality and excellent performance.

10) We can produce it just as your drawings.