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Cold forge for auto parts

Wholesale of alloy steel mountain Middle shaft screw by China fastener manufacturers for central axis screws

BOTTOM BRACKET BOLTS FOR BIKETRIAL
The extreme climbing bicycle, with a five way center axle as the driving ratchet and the most direct power point, has higher requirements for strength and stability than other types of vehicles. Here, titanium alloy screws are undoubtedly the best choice for combining strength and lightweight, bidding farewell to looseness and flexibility
Pin shaft
1. Lighter design, directly pressed into the design to reduce excess material 2. Higher precision, reducing errors after
installing the crank 3. Higher rigidity and bearing capacity strength


Spindle

1. More durable, with better sealing performance
2. Easy installation and removal
3.Bicycle Shafts Cnc Machining Custom

Advantages:
Easy to maintain, the contact surface can be cut, and there are a large number of accessories to choose from To prevent the misalignment of the screw teeth, tighten the central shaft, install the crankshaft, and then lock the central fixing screw. This perfectly solves the problem of abnormal noise in the five way joint.
USE: Mountain bike、bicycle


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DESCRIPTION
Our Advantages
1、 Quality defective rate is 50PPM.
2、 ISO 9001 & IATF16949 certified.
3、 15+ years manufacturing experience.
4、 Have rich experience to cooperated with famous brand , like Porsche 、Tesla、Volvo 、Valeo、Paccar...
5、 Providing certificate such as PPAP Level3 、RoHS、MSDS、IMDS etc.
6、 Generally Production lead time is 15 days or even less.
Product Description
Name
Shaft
Material
Steel ,Stainless Steel,Carbon steel,Brass,Aluminum or as your requirements
Size
M1-M36,or non-standard as request&design,Customized Size
Thread Type
Fine Thread Or Coarse Thread or Hi-Lo Thread
Finish
Plain, black, zinc plated/according to your requirement
Standard
ISO,GB,DIN,JIS,ANSI/ASME,BSW,Non-standard. or base on the Drawings or Samples
Tolerance
0.01-0.05mm can also be customized

Design 3D Mould Drawing
• Our Engineer will design 3D mould drawing for your confirmation. 
• Design Software: Pro-E, Iges, UG, CAD etc
• Mould Base Material: LKM, HASKCO, LOCAL, DME etc 
• Mould Core Material: 718H, S136H, NAK80, P20 ect 
• Mould Cavity: Single & Multi Cavity
•Runner: Cold or Hot Runner
• Gate: Pinpoint Gate or Edge Gate
• Finish: Polish or Semi-matt
Certificate
ISO9001,ISO14001,IATF16949, ROHS
Surface treatment
zinc plated,Ni-plated,Passivated,Black Oxide,Bronze
Advantage
OEM Customized Service Provided
USE
Mountain bike ,Automobile, aviation, new energy, high-speed rail
Packing
Cartons+plastic Bags


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