Fastener System Manufacturing
Bring the bolt, shaft, sleeve and spacer drawings together. Define each revision and quantity in one BOM.
Review a multi-part BOM
Made-to-Print Components for OEM Projects
Custom Fasteners, CNC Turned Parts & Precision Shafts
Made-to-print bolts, pivot hardware, shafts, sleeves and spacers for OEM projects. Share drawings, samples or a BOM for manufacturing review and quotation.
Manufacturing Evidence
Manufacturing Routes for Made-to-Print Components
The manufacturing route is selected from the approved drawing, material, quantity, mating interface, assembly method, service conditions, testing, and packaging requirements.
Cold Heading
Production forming for standard and special fasteners while preserving the material grain flow.
CNC Turning
Precision turning and milling for non-standard geometry, hollow pivot axles, hangers, sleeves, and spacers.
Project-Specific Inspection & Testing
Dimensional inspection, CMM, tensile, torque, hardness, and corrosion testing can be coordinated with qualified partners when required by the approved drawing or control plan.
In-House Core Manufacturing
Cold heading, CNC machining, thread rolling, and tool/die manufacturing under PremFixer control.
Unified Partner Management
Qualified partner factories complete dimensional inspection, CMM and mechanical testing, heat treatment, surface treatment, and other supporting operations under PremFixer project control.
Traceable Delivery
Material certificates, batch records, inspection evidence, and one accountable project window.
Made-to-print product families
Find the Part Family. Start With Your Drawing.
Explore manufacturing examples, not an online shop. Existing bicycle-library references explain geometry; your drawing defines the new part.
01 / Product family
Custom Fasteners
Shoulder bolts, threaded parts and matched fastener geometry. Start with the head, thread and mating interface.
Explore this family
02 / Product family
Precision Turned Components
Spacers, sleeves and bushing-type geometry. Review bore, end faces, wall sections and the assembled stack.
Explore this family
03 / Product family
Custom Shafts, Axles & Pins
Stepped shafts, pivot axles and pin geometry. Define support seats, shoulders, retention and critical fits.
Explore this familyPrecision Pivot & Shaft Components remain a specialist focus. Browse the original bicycle hardware library →
Assembly-led sourcing
Find Components by Assembly Function
Start with the assembly task: spacing, locating, locking or supplying a matched set. Explore the relevant components, then share the drawing or BOM that defines your project.
Bearing Spacers & Shaft Assemblies
Identify the contact faces, axial spacing and mating parts before selecting a manufacturing route.
Explore bearing spacers Matched shaft assemblies
Mounting & Adjustment Components
Define the mounting distance, contact surfaces, threaded travel and space needed for the tool.
Explore mounting spacers Threaded adjustment parts
Motorcycle Mounting Projects
Share bracket and mating-part drawings for project-specific bolts, sleeves and mounting spacers.
Review bracket hardwareBicycle OEM Hardware Programs
Connect model drawings, BOM revisions and quantities per bike to a defined manufacturing scope.
Bicycle Fastener & Frame Hardware Product Families
Explore catalog references and drawing-led product families for bicycle brands, frame factories, component suppliers, e-bike programs, and OEM sourcing teams.
PS-A / PS-F
Standard & Custom Fasteners
Screws, bolts, nuts, rivet nuts, washers, and drawing-based locking parts.
Browse fastener families
PS-D / PS-P
Suspension Pivots & Axles
Pivot bolts, axle cores, spacers, bushings, and bearing interfaces.
View pivot hardware
PS-B
Disc Brake Hardware
Brake bosses, post-mount axles, mounting bolts, and frame-side interfaces.
View brake hardware
PS-E
Weld Nuts & Frame Inserts
Weld-in nuts, threaded inserts, bottle bosses, and embedded frame hardware.
View frame inserts
PS-I / PS-L
Cable Stops & Routing Hardware
Cable guides, cable stops, sleeves, and internal-routing interfaces.
View routing hardware
PS-K
Dropouts & Hangers
Drawing-controlled frame interfaces for wheel and drivetrain alignment.
View dropout hardware
PS-R
E-Bike Motor Mounts
Motor interfaces, mounting housings, and drawing-based e-bike hardware.
View motor mounts
Drawing-Based Pivot Bolt & Axle Hardware
Custom Pivot Bolt Kits for Full-Suspension Frames
Six representative Pivot Bolt configurations covering flanged sleeves, shoulder bolts, locking pairs, and custom axle geometries. Final dimensions, threads, materials, and finishes follow the approved drawing.
Custom Pivot Bolt Manufacturing →
Configuration 01
Flanged Pivot Sleeve Set
Matched sleeve and locking components for drawing-specific pivot widths.
Configuration 02
Locking Pivot Axle with Flange Nut
Black-finished axle components with paired flange nuts and pre-applied thread locking.
Configuration 03
Shoulder Bolt for Bike Linkage
Multiple shoulder lengths and thread positions for linkage and frame interfaces.
Configuration 04
Flange-Head Pivot Pair
Precision-machined flange and shoulder transitions for controlled bearing support.
Configuration 05
Stepped Shoulder Pivot Bolts
Compact stepped geometry for constrained linkage and bearing-stack assemblies.
Configuration 06
Hex-Head Pivot Axle Set
External-drive axle and nut configuration for accessible installation and service.
Engineering White Paper · V2.0 Evidence Edition
Design the Pivot System - Not Just the Bolt.
A practical engineering reference for frame, linkage, SQE, quality, and sourcing teams reviewing load paths, bearing stacks, torque-clamp behavior, materials, sealing, DVP&R, and traceability before release.
- Joint stack and working interfaces
- Material, finish, galling, and corrosion decisions
- Validation planning and lot traceability
No form required. Nine localized PDF editions are available.
Start Your Component RFQ With a Drawing, Sample, or BOM
Use an existing geometry reference to explain your needs, then share the drawing, sample or BOM that defines your part. We review material, critical interfaces, finish, inspection and packing requirements for your project.
Start a Custom Fastener Review
Drawing, Sample, or BOM
2D drawing, 3D model, reference part, photo, part-reference list, or application sketch.
Material
Required grade, operating environment, or target performance.
Critical Fit
Dimensions, tolerance, thread, mating parts, and assembly points.
Finish
Color, corrosion target, wear condition, and appearance requirement.
Quantity
Prototype demand, batch quantity, and expected production schedule.
Inspection and Packing
Required reports, CTQ checks, labeling, kit packing, and traceability needs.
Need a known model? Browse catalog bicycle fasteners. Need a drawing-led part? Open the engineering library.
In-House Core Processes
Core Manufacturing and Qualified Partner Operations
PremFixer completes cold heading, CNC machining, thread rolling, and tool/die manufacturing in its own factory, then coordinates approved partner operations under one accountable project workflow.
Explore Production Equipment
Cold Forging & Cold Heading
Multi-station forming supports repeatable production of standard and custom fasteners while preserving formed material flow around the part geometry.
CNC Precision Turning & Milling
CNC lathes and vertical machining centers produce special bolts, pivot axles, hangers, sleeves, spacers, and complex custom parts, with tolerance targets confirmed during drawing review.
Rolled Thread Formation
Rolled threads are selected according to material, thread class, application, and approved drawing requirements, with thread fit verified through the project inspection plan.
Specified Heat Treatment With Qualified Partners
Qualified heat-treatment partners process parts to the approved material, property, test, and documentation requirements, with the route coordinated by PremFixer.
Inspection & Traceability
Quality Evidence Defined for the Approved Order
Inspection follows the approved drawing, application requirements, and batch-specific control plan, with documentation prepared for the parts you receive.
- Dimensional control
- Coordinate measurement and project-specific critical-dimension verification.
- Thread verification
- Go/no-go thread inspection according to the approved batch control plan.
- Mechanical checks
- Hardness sampling and required functional verification.
- Corrosion validation
- Salt-spray testing matched to the approved surface-treatment requirement.
- Documentation
- Material certificates, batch traceability files, and a complete inspection report.
Material Certificate
6061 Aluminum Rod Report
Dimension and material certification — Φ30 mm, May 2025
Material Certificate
7075-T651 Aluminum Rod Report
Dimension and material certification — Φ30 mm, March 2025
Material Certificate
SS304 Stainless Steel Certificate
Chinese-language material quality certificate for stainless steel
Material Certificate
SS304 Stainless Steel Test Report
Standard material test certificate for stainless steel grade 304
Certified Quality System
ISO 9001:2015 Certified by Bureau Veritas
Guangdong Pinshang Hardware Products Co., Ltd. holds ISO 9001:2015 certification for the production of hardware screws and nuts, with Bureau Veritas certification and UKAS accreditation shown on the certificate.
- Certificate No.
- F02326Q00193R002
- Certified Scope
- Production of hardware screws and nuts
- Valid Until
- April 27, 2029
- Accreditation
- UKAS Management Systems No. 0008
Materials Reviewed Against Your Drawing
Material certificates and batch traceability documents can be prepared according to approved project requirements.
Stainless Steels
A2-70 (304) and A4-316 (316 marine-grade stainless steel)
Urban, wet-weather, coastal, and high-corrosion bicycle applications
High-Strength Steels
10B38 boron steel, 41Cr4 alloy steel, and SCM435 chromium-molybdenum steel
Project-specific strength classes for pivots, bottom brackets, and impact-loaded joints
Aluminum Alloys
6061-T6 and 7075-T6 aluminum
Lightweight hardware, brake mounts, bottle-cage fasteners, and custom fittings
Titanium Alloy
Ti-6Al-4V (Grade 5)
Premium competition-grade components where weight and performance are critical
One Project Window Across In-House and Partner Processes
PremFixer completes cold heading, CNC machining, thread rolling, and tool/die manufacturing in-house. Qualified partners complete specified inspection, testing, heat treatment, and surface processes under PremFixer coordination and order-specific acceptance requirements.
Precision Deburring & Electropolishing
Deburring and electropolishing routes for stainless-steel fasteners, with appearance and surface requirements confirmed during project review.
ED E-Coating
Matte or gloss black coating routes reviewed for suspension-pivot and frame hardware requirements.
Zinc & Zinc-Nickel
Zinc and zinc-nickel coating systems are selected around corrosion target, appearance, assembly fit, and approved project requirements.
Hard Anodizing
Black or colored hard anodizing for wear-resistant aluminum components.
Dacromet / Chrome-Free Zinc Flake
Zinc-flake coating systems are reviewed for projects requiring higher corrosion protection, with coating and test targets defined in the approved specification.
High-Temperature Black Oxide
Basic corrosion protection and a controlled matte appearance for steel parts.
Laser marking, custom packaging, and qualified third-party testing can be coordinated through the same PremFixer project window.
From Drawing Approval to Repeatable Batch Production
An approved drawing becomes a controlled production baseline only after sample and first-article approval. Repeat orders then follow the same route, checks, finish, and packing record.
Lock the Specification
Drawing, application, material, tolerance stack, thread fit, finish, quantity, and packing requirements are reviewed together.
- Control Focus
- Critical dimensions, bearing interfaces, under-head geometry, torque surfaces, and corrosion target.
- Output
- Confirmed specification, process route, and CTQ inspection plan.
Approve the First Article
Tooling or CNC programming, sample production, fit checks, and first-article inspection are completed before release.
Batch Release Rule
No batch production before your sample approval.
- Output
- Approved sample package and released manufacturing baseline.
Run Repeatable Batches
Production, finishing, in-process checks, final inspection, packaging, and shipment follow the approved baseline.
- Control Focus
- Lot identity, process checkpoints, finish compliance, dimensional release, and packing traceability.
- Output
- Inspection pack, traceable lot records, and coordinated shipment.
Repeat Order Baseline
What stays controlled across repeat orders
- Drawing revision
- Material grade
- Process route
- CTQ checkpoints
- Finish specification
- Inspection records
- Packing method
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Owner
One Accountable Project Window
Engineering through shipment, coordinated through one contact.
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Sample
FAI Before Batch
Sample and inspection evidence approved before release.
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CTQ
Critical Feature Control
Defined checkpoints for fit, finish, and critical dimensions.
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Record
Batch Traceability
Material, production, inspection, and packing records linked to the lot.
Ready to review a drawing, sample, or BOM?
Receive a DFM review and quotation through one accountable project window.
Application-led review
Keep the Application in View.
Choose the project context, then share the interfaces and intended use. Similar geometry does not establish suitability for another vehicle.
Existing specialization
Bicycle & E-Bike Hardware
Continue to the original frame, linkage and component solutions.
Explore bicycle solutions →
New-project drawing review
Motorcycle & Powersports
Review fasteners, shafts and sleeve-type parts for a defined project. No model-fit or prior-delivery claim.
Review the project scope →AI concept illustration · not product or capability evidenceSelected Bicycle Industry Partners
FUJI-TA 富士达
Bicycle Fastener Solutions
Built for Bicycle Assembly Precision
PremFixer specializes in the connection points where geometry, strength, corrosion resistance, assembly, and serviceability directly affect the bicycle system.
Explore Bicycle Fastener Solutions- Precision Engineering
- Corrosion Resistance
- Assembly Reliability
- Global Quality Standards
Other OEM Applications
Drawing-Based Custom OEM Components
Bicycle hardware remains an established specialization. Explore drawing-led fasteners, turned components and shafts for your OEM project; new application requirements are reviewed against the confirmed manufacturing route.
Send Drawing, Sample, or BOM
Rear Suspension Pivot Fastener
- Input
- Customer drawing or physical sample with mating-part information.
- Requirement
- Custom geometry, controlled fit, specified finish, and repeatable production quantity.
- Manufacturing Route
- DFM review, cold heading or CNC process selection, thread rolling, heat treatment, finishing, and inspection.
Start Your RFQ
Have a Component Drawing, Sample, or BOM? Let’s Review It.
Send the project information you already have. We will review manufacturability, critical interfaces, material and finish requirements, inspection needs, and the quotation path.
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Project Files
2D or 3D drawing, sample, reference part, or BOM.
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Part Requirements
Material, finish, tolerance, thread, and mating interface.
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Order Plan
Prototype or batch quantity, delivery target, inspection, and packing.
Kyrie Wang
Customer Service Lead
Accepted: STEP, STP, IGES, X_T, PDF, DWG, DXF, ZIP, and RAR.
Project files are treated as confidential.
Manufacturing for Your Business
Bring the customer drawing or equipment BOM. Find the procurement path that matches your project.
Fastener Companies & Distributors
Turn authorised customer drawings into itemised sample, batch and repeat-supply quotations.
Explore distributor supply →
OEM & Component Manufacturers
Define the shafts, pins, sleeves and fasteners around your equipment interfaces.