Machining China in Jacksonville United States gear coupling manufacturers supplier Forged in Toluca de Lerdo Mexico bowex Shafted Roll for Steel Milling Machine with top quality lowest price

Machining  China  in   Jacksonville United States   gear coupling manufacturers  supplier  Forged  in   Toluca de Lerdo Mexico   bowex Shafted Roll for Steel Milling Machine with top quality lowest price

We – EPG Group the biggest couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086-13083988828

Product features 
We can produce different types of the Custom Turning Mechanical CNC Precision Shafts according to the application and customer’s request .  

1. Main products: Custom Open Die Forging, Main Shaft, Wind Power Shaft, Stabilizer, Flange, Coupling, BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel.

2. Materials: Carbon steel, Alloy steel

3.Supplying range: Shafts, Sleeves, Rings, Cylinders, Blocks, Modules etc

4. Process: Forging/Casting – Normalizing & Tempering – Proof Machining- Quenching & Tempering – Finish Machining

We can offer you in various process conditions.


5. QA DOC.: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report


The data on chemical composition report and mechanical properties report are approved by third party, HangZhou Ship Material Research Institute, CSIC.


UT test: 100% ultrasonic test according to EN15718-3, SA388, Sep 1921 C/c etc.


Heat Treatment Report: provide original copy of heat treatment curve/time table.


Steel Ingot: EAF-LF-VD/ESR. Material Certificate according to En15714-3.1 is requested from ingot supplier.


CNC Turning 0.5*300*750mm +/-0.005mm
CNC Milling 1000*500*450mm(Max) +/-0.01mm
CNC Stamping 600*600mm(Max) +/-0.05mm
Test Equipment measurement instrument ,CMM Thread Gages ,Calipers.Pin Gauge etc.
Material Available:
Aluminum AL6061,AL6063,AL6082,AL7075,AL5052 etc.
Stainless Steel 201SS,301SS,304SS,316SS etc.
Steel steel,carbon steel,4140,4340,20#,45# etc
Bronze/Copper C51000, C52100, C54400,C11000,C12000,C36000 ,etc
Brass C36000 , C37700 , C38500, C27200, C28000 , etc
Surface Finish:
Aluminum Parts Stainless Steel Parts Steel
Clear Anodized Polishing Zinc Plating
Color Anodized Passivaing Oxide Black
Sandblast Anodized Laser engraving Nickel Plating
Chemical Film Sandblast Chrome Plating
Brushing   Heat Treatment
Polishing   Powder Coated
Processing   CNC machining, CNC milling and turning, laser cutting,drilling, grinding, bending, stamping, welding ,etc.


OEM high quality forging steel bar shaft:

Materials: Carbon steel, Alloy steel,stainless steel.
Process: Forging – Normalizing & Tempering – Proof Machining- Quenching & Tempering – Precision Machining.
Test Report: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report. 
Surface Treatment:Proof machined,precision machined or as per requirements.
Range of Forging:

Products  OD(mm)  Length(mm)
 Cylinder body  ≤1800  ≤10000
 Ring  ≤5000  ≤3000
 Shaft Bar  ≤1500  ≤18000

We supply OEM high quality forging steel bar shaft,precision machining forged steel hydraulic cylinder body,centrifugal casting cylinder and other steel products.
If you need these products,please contact us freely,you will be satisfied with our better & professional service and we will be your best supplier in China.


Product name Wholesale big stock low price 304 316L 436L 440 440A 440B 440C stainless steel bar price
Gade    201,202,301,303,304,304L,305,316,316L,321,410,416,420,430...
1.4301, 1.4306, 1.4845, 1.4401, 1.4371, 1.4597,1.4541, etc
Diameter 5.5-110mm
Surface bright, cloudy,plain,black
1.Widely used in the areas such as stainless steel fasteners, and sanitarywares,furniture handles,handrail,electroplating and 
electrolyzing pendants,food,electro,petroleum,construction and decoration,etc.
2.electronic products parts,medical appliances,springs,bus inside and outside packing and building,street lamp posts,etc.
decoration materials and outdoor publicity billboard.used for the products which have the anti-3.stress corrosion requirement.electron products,table-wares,bolts,nuts,screen mesh, combustor and so on.
Craft  hot working and cold working
MOQ 1 Metric ton
Price terms CIF or FOB
Payment  terms L/C or T/T
supply ability 25 Metric tons per day
Delivery Detail 7-30 days,according to the quantity.
Packaging Detail  Full wrap by plastic packing-cloth

Chrome Plated Rod Specification

  1. Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo, SS431, SS430, Duplex2205, Stainless Steel 304/316, etc.
  2. Diameter: Φ 6-500 mm
  3. Length: max 16m
  4. Chrome layer: 20 micron (min)
  5. Hardness of the chrome layer: 800HV (min)
  6. Roughness: Ra ≤0.2u
  7. Straightness: ≤ 0.2/1000
  8. Diameter tolerance: ISO f7
  9. Roundness: the deviation of roundness is 50% of the diameter tolerance at the most.
  10. Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened
  11. Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.

We are reliable.

  1. Extensive production experience: more than 10 years manufacturing experience for honed tube and chrome plated rod, in Australia, Thailand, Brazil, India, Iran, Indonesia, South Africa and other countries have long-term buyers. Most workers have 5-8 year experience to provide you with high quality and efficient products.
  2. Advanced production equipment: cold drawing machine, honing machine, skiving & roller burnishing machine, straightening machine, polishing machine, heat treatment furnace, centerless grinding machine, etc. We have professional technicians do regular scheduled maintenance on these machines to guarantee them work well.
  3. High quality raw material: our raw material mainly from some famous refinery steel mills, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
  4. High precision: Honed Tube, inside surface roughness 02-0.4 um, straightness max 0.5/1000, strict tolerance DIN2391 H8. Skived & Roller Burnished Tube, inside surface roughness under 0.2 um, straightness max 0.2/1000, strict tolerance DIN2391 H8. Chrome Plated Rod, chrome layer 10 micron to 100 micron, strict tolerance ISO f7.
  5. Delivery fast 3-30 days: If one container 15-20days. We also stock some usual size for  small quantity order, if you need 3-5 pcs, we can delivery immediately.
  6. Strict quality control: we have professional in-house QC to inspect all products. We will do Chemical Composition Test, Mechanical Property Test, Dimension Inspect, Roughness Test, Chrome Layer Test and other tests in need before delivery. All test result will be made a test report to keep 3-5 years, and provide customer with MTC.
  7. Safe packing: an-rust oil on tubes and rods before delivery. Plastic caps on both ends to protect tube inside surface. Then be packed with seaworthy package or in wooden case.
  8. Best after-sale service: each order from production to delivery will be follow up in time.
  9. Reasonable price and reliable quality.
  10. OEM service and third party certificate also can be provided.
  11. pring Steel 60Si2CrVA EPT linear shaft 
  13. Application:  
  14. The steel can bear high stress and working temperature at 300~350ºC, like Speed governor Spring, Steam turbine gland Spring ,and  crusher Spring.
  16. Chemical composition
60Si2CrVA chemical composition %
C Si Mn P S Cr Ni Cu V
0.56-0.64 1.4~1.80 0.4~0.70 ≤0.030 ≤0.030 0.9~1.20 ≤0.35 ≤0.25 0.1~0.20

Product Description
1. Grade: AISI 4140 steel bar /1.7225/42CrMo4/SCM440
2. Size: 8mm-3000mm
3. Standard: ASTM A29 /DIN 17200/BS970/JISG4105/GB/T3077/AS 1444
4. Certification: ISO9001, BV,SGS, CTI, ROHS,

Product Name ASTM 4140 round bar 
Material Low alloy steel  AISI4140 steel bar /1.7225/42CrMo4/SCM440
size  8mm-3000mm 
Standard  ASTM A29 /DIN 17200/BS970/JISG4105/GB/T3077/AS 1444
Production method  Hot rolled /Cold rolled / Forging
Heat Treatment  Stress Releaving /Annealing/Tempering/flame or Induction hardening/Nitriding
Other material  Flat bar /square bar /plate /tube 
Aircraft Landing Gear,Automotive,Oil and Gas Drilling,Forging,Warm and Cold Forming,Machine Building,Transfer Systerms,power transmission gears and shafts,Heavy duty shafts,gears,axles,spindles,couplings,pins,chucks,molds ect

Technical parameters:

haft Range

Market Served

shaft for Construction machinery parts,oilfield petroleum parts,engine parts,marine parts,Spare Parts for Mining Machinery,Coal Mine Drill,Forklift,Agricultural machinery,Railway and train,Excavator,Hydraulic Field Parts,Shipbuilding parts,Pump spare parts,Industrial Machines

Steel Treatment Forging,Q+T(Quenching+Tempering),Solution treatment,Heat treatment 
Forging Technique Forging,open die forging,free forging,ring forging,hot rolling.
Machining Service Rough machining,Precision machining,Milling,Rolling,Hole Drilling,Stamping
Equipment: CNC Machining Centres
Material: Carbon steel,Alloy steel,stainless steel
Surface treatment: Heat Treatment,Oxide coating,plating,finishing,painting,galvanized,plated chrome
Application: Oil and gas,Oilfield,Petrochemcial,Engineering Construction Machinery,Equipment
Chrome thickness: 20~30micron
Max Length of shafting 10000mm
Max Weight of Forgings 8000-10000kg
Max OD of Ring 2000mm
Roughness:  Ra 0.2micron (max)
Torque Capacity: 6000N
Yield Strength: ≥320 Mpa   
Tensile Strength: ≥580 Mpa  
Elongation: ≥ 15%

 (1). All kinds of gears, shaft, gear shaft, precision gear and CNC gear.
 (2). Specialized in manufacturing all kinds of automobile transmission part based on  drawings
 (3). Material: ductile cast iron, carbon steel, alloy steel , stainless steel, , bronze/brass
 (4). Modules: M1 to M8 
 (5). Meets ISO, DIN and ASTM standards 
 (6). Specification : According to the the drawing
 (7). Certification: ISO/TS16949:2009

Material  Carbon Steel  SAE1571, SAE1045, Cr12, 40Cr, Y15Pb, 1214Letc
 Alloy Steel  20CrMnTi, 16MnCr5, 20CrMnMo, 41CrMo, 17CrNiMo5etc
 Brass/Bronze  HPb59-1, H70, CuZn39Pb2, CuZn40Pb2, C38000, CuZn40etc
Tolerance Control Outer Diameter  Based on drawing
Length Dimension  Based on drawing
Machining Process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping
Teeth Accuracy DIN Class 4, ISO/GB Class 4, AGMA Class 13, JIS Class 0
Modules 1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.5….8.0 etc
Heat Treatment Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding
Surface Treatment Blacking, Polishing, Anodization, Chrome Plating, Zinc Plating, Nickel Plating
Standard DIN, ISO/GB, AGMA, JIS , ISO/TS16949:2009


China supplier of cylinder coupling shaft/ 12mm linear shafts 800mm long
Using feature: Used in the defense, precision machinery, medical instruments, chemical, printing, agriculture, robotic, automatic production lines, etc… 
1. Material: C45#/GCR15/SUS440C 
2. Hardness: HRC62+-2 
3. Surface Hard-thickness: 0.8-2.5mm 
4. Diameter: 6mm-80m 
5. Induction hardened chrome plated 
6. Accuracy: G6 
7. Roughness: Less than 1.5μ M (Rmax) 
8. Hard band: 0.8~0.3mm 
9. Grade Length: 100mm–6000mm 
10. Straightness: 100mm less than 0.5μ M 
11. Roundness: Less than 3.0μ M (Rmax) 

Business Type Factory / Manufacturer


CNC Machining
Turning and Milling
CNC Turning
Sheet metal fabrication service
OEM Parts


1). Aluminum: AL 6061-T6, 6063, 7075-T etc
2). Stainless steel: 303,304,316L, 17-4(SUS630) etc
3). Steel: 4140, Q235, Q345B,20#,45# etc.
4). Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc
5). Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc
6). Copper, bronze, Magnesium alloy, Delrin, POM,Acrylic, PC, etc.


Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish,
Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing,
electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench),
Electro Polishing,Chrome Plating, Knurl, Laser etch Logo, etc.
Main Equipment CNC Machining center(Milling), CNC Lathe, Grinding machine,
Cylindrical grinder machine, Drilling machine, Laser Cutting Machine,etc.
Drawing format STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples.
Tolerance +/-0.01mm ~ +/-0.05mm
Surface roughness Ra 0.1~3.2
Inspection Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM
Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge
Capacity CNC turning work range: φ0.5mm-φ150mm*300mm
CNC milling work range: 510mm*1571mm*500mm

Specification of China bearing supplier linear bearing shaft 25mm

Product Name High quality linear bearing shaft 25mm
Material Chrome steel
Size Dia 25mm
Weight ***
Precision Grade P0 P6 P5 P4 P2 are all available
Hardness Hrc60-65
Cage Steel
Structure Single row
Service OEM, Customized

Company introduction

HangZhou EPT Engineering CO.,LTD is a manufacture of bearings, worm drivers, slewing bearings, gears, shaft and engineering parts.   EPT bearings, worm drivers, slewing bearings, gears, shafts prove every day to be important structural and connection elements, they can be widely used in the lifting&transport machinery, mining machinery, construction machinery, port hoisting machinery, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, cement plant, steel plant, EPT power plant, wind power generator, other construction and industry machines or equipment and other large rotary devices.
 The products made by EPT Engineering Co are mainly exported to the countries of the European Union, USA, the Middle East, the South American, the Africa, Austrilian and Asia areas and the Russian Federation, in the process of cooperation with our customers, we have made it a principle to establish a lasting and rewarding partnership with our customers by providing efficient service with the top quality and minimizing the production cost.
 Xihu (West Lake) Dis.g for consistent commitment to the quality of products and customer service, EPT Engineering attaches great importance to research and development to ensure better product quality and service from its establishment. The quality of EPT products are based on the excellent specialist and technical level of constructors and technicians, highly qualified operators, experiences production workers.
The company name:  HangZhou EPT Engineering Co.,ltd
Address: No 3 Lianmeng Road, Xihu (West Lake) Dis. Area, HangZhou City, ZheJiang Province, China
Tel:  0086~571-8822571/88220973-64516701
Fax: 0086-571-88220971; 0086~571-8822571/88220973-64516702


The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed EPT parts contained herein are not sponsored, approved, or manufactured by the OEM.


Machining  China  in   Jacksonville United States   gear coupling manufacturers  supplier  Forged  in   Toluca de Lerdo Mexico   bowex Shafted Roll for Steel Milling Machine with top quality lowest price

roller chain coupling

As one of leading roller chain coupling manufacturers, suppliers and exporters of products, We offer roller chain coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of roller chain coupling

Recent Posts