The ranges involve in: Hex bolts, flange bolts, carriage bolts, weld screws, pan head, truss head screws, countersunk head, half-head screws, large flat head screw, combined screws, a Phillips, slotted, hex flower, etc., and non-standard can be customized as drawings. The product standards mainly are GB, DIN, ANSI, BS, ISO, materials with low carbon steel, medium carbon steel, alloy steel, stainless steel 304, stainless steel 200, etc, specifications M3-M20.
|
SYSTEM |
SIZE |
GRADE/MATERIAL |
FINSHED |
STANDARD |
METRIC
SIZE |
M6-M64 |
4.6 4.8
5.6 5.8
6.8 8.8
10.9 |
SELF COLOUR
ZP
YZP
H. D. G |
DIN931 DIN933
DIN960 DIN961
DIN601 DIN558
DIN7990
ISO4014 ISO4015
ISO4016 ISO4017
BS4190 BS3692
AS1111 JIS1180
ASME B18.2.3.1M
ASME B18.2.3.2M
ASME B18.2.3.3M
ASME B18.2.3.5M
ASME B18.2.3.6M
ASME B18.2.3.7M |
A2-50 A2-70
A4-50 A4-70
BRASS |
POLISH |
INCH
SIZE |
1/4" --2-1/2" |
SAE J429--GRADE 1
SAE J429--GRADE 2
SAE J429--GRADE 5
SAE J429--GRADE 8
ASTM A307--GRADEA
ASTM A307--GRADEB
ASTM A307--GRADEC
ASTM A449--TYPE 1
ASTM A354--GRADE BC
ASTM A354--GRADE BD |
SELF COLOUR
ZP
YZP
H. D. G |
ASME B18.2.1
AS1390 |
ASTM F593-304
ASTM F593-316
BRASS |
POLISH |
Ningbo Yinzhou Topbon International Trade Co., Ltd is specialized in design, development, manufacture and sale of mechanical seals. There are 10 years since establishment of the company. Productivity has reached 10.000, 000 sets seals per year. Now we are one of the largest scale mechanical seals bases in our country. The ranges involve in: industrial pump mechanical seal, mixer and agitator seal, cartridge seal, metal bellows seal, auto cooling pump seal and auto air-condition compressor lip seal. Hightech products can replace the mechanical seals produced by John Crane and Burgmann and be widely used in petroleum, chemistry, refinery, paper making, pharmacy, power and auto industry.
Our company has strong technical power, and complete testing facilities. For long term, our factory has adhered to quality products, best service and competitive price. Our products are far sold to Europe, U. S. A., and the southeast Asia. They are well received by customers both at home and abroad.
