Thin Washer Workholding
State washer thickness, diameter and material condition. Review support during machining and deburring to limit distortion of thin sections and avoid damage during inspection.
CNC Turning
Precision Washers
Custom CNC Turning Precision Washers made to your drawing. Review critical dimensions, datums and mating features, material, finishing and inspection requirements before production.
IATF 16949 & AS9100D quality systems
Material and inspection scope reviewed with your drawing
Prototype and repeat-production enquiries
Finishing and documentation agreed with the order
DFMDrawing & process review
QCAgreed inspection plan
CNC Turning Precision Washers: Product Overview
The precision CNC turned washer is among the most geometrically simple precision components in engineering — a flat ring with controlled OD, ID, thickness, face parallelism, and surface finish — yet the functional performance of virtually every mechanical assembly depends critically on the dimensional accuracy of its washers.
- Swiss CNC guide bushingPlan support and setup around critical diameters, datums and mating interfaces.
- Single-setup OD-bore-face geometric accuracyPlan support and setup around critical diameters, datums and mating interfaces.
- CBN precision grinding for ultra-precision thicknessReview tool access, burr control and the required surface condition for the specified material.
- Washer Dimension ReviewReview critical dimensions, datums and mating features and functional requirements before defining the process.
Why CNCPioneer for CNC Turning Precision Washers?
Coordinate geometry, material, finishing and inspection around the part's intended function.
Face, Bore and Diameter Relationships
Define the datum face and the required relationship between bore and outside diameter. Separate thickness variation, flatness and runout requirements on the drawing.
CBN Precision Grinding for Ultra-Precision Programs
Review tool access, burr control and the required surface condition for the specified material.
Complete Material Portfolio Under One Quality System
Confirm material grade, delivery condition, finishing requirements and supporting records.
OEM Wholesale Precision Washer Economics
Review geometry, batch quantity and process requirements to prepare the quotation.
Functional Geometry Review
Review critical dimensions, datums and mating features before choosing the machining and inspection route.
CNC Turning Precision Washers We Manufacture
Explore representative configurations and share your drawing for a product-specific review.
Flat Precision Shim Washers
The highest-precision standard washer format — flat washers with controlled thickness at ±0.002–0.010mm, face parallelism 0.002–0.005mm, and surface finish Ra 0.4μm for use as selective assembly shims in bearing preload, gear mesh, and optical alignment programs.
Shoulder Washers and Stepped Washers
Shoulder Washers and Stepped Washers machined to your drawing. Confirm material, functional dimensions and finish before production.
Seal Washers and Face-Seal Washers
Seal Washers and Face-Seal Washers machined to your drawing. Confirm material, functional dimensions and finish before production.
Thrust Washers for Rotating Machinery
Bronze thrust washers in C93200 (SAE 660 leaded tin bronze; 83% Cu / 7% Sn / 7% Pb / 3% Zn) are the standard rotating machinery component that carries axial thrust load between a rotating shaft shoulder and a fixed housing.
Distance Washers and Precision Spacer Washers
Distance Washers and Precision Spacer Washers machined to your drawing. Confirm material, functional dimensions and finish before production.
Tab, Spring & Large-Diameter Washers
Tab, Spring & Large-Diameter Washers machined to your drawing. Confirm material, functional dimensions and finish before production.
Industries & Applications
Match the component to its operating environment, assembly interfaces and documentation requirements.
Aerospace
Precision flat and spacer washers for aerospace fastener joints, equipment mounts and shim stacks. Controlled thickness and face parallelism help maintain specified spacing and distribute clamping loads.
Explore aerospace machining
Automotive
Precision shim, thrust and sealing washers for automotive transmissions, bearing assemblies and fluid connections. Machined thickness and contact faces support axial clearance adjustment and sealing.
Explore automotive machining
Semiconductor
Precision spacer and shim washers for semiconductor equipment mounts, positioning stages and test assemblies. Specify thickness, parallelism and surface condition to suit alignment and installation requirements.
Explore semiconductor machining
Medical
Precision flat, shoulder and spacer washers for medical equipment mechanisms and instrument assemblies. Drawing-specific thickness, bore fit and edge finish support repeatable positioning and assembly.
Explore medical machining
Robotics
Precision shim, thrust and spacer washers for robot joints, actuators and drive assemblies. Controlled thickness supports bearing positioning, axial spacing and adjustment of mechanical clearances.
Explore robotics machining
Railway
Precision flat, spacer and thrust washers for rail equipment mechanisms, shaft assemblies and equipment mounts. Define material, contact surfaces and dimensions around the mating components and service conditions.
Explore railway machiningMaterials
Materials for CNC Turning Precision Washers
Confirm the exact grade, delivery condition and finish compatibility with your drawing.
Corrosion Resistant · Precision Shim
316L Stainless Steel
UNS S31603 · C ≤0.030%; Cr 16–18%; Mo 2–3% · Corrosion resistant; non-magnetic; hygienic · Thickness achievable: ±0.002mm CBN / ±0.005mm Swiss CNC · Primary applications: precision shim; seal washer; pharma; marine; semiconductor.
General Purpose · Low Cost SS
304 & 303 Stainless Steel
Stainless steel options for corrosion-resistant components. Confirm the grade, delivery condition, surface finish and cleaning requirements.
High Strength · Spring Washer
17-4PH H900 Stainless Steel
UNS S17400 · HRC 44–47; UTS 1,170 MPa · High strength; corrosion resistant · Thickness: ±0.005mm Swiss CNC + H900 aging · Primary applications: Belleville spring washer; high-load structural washer.
Lightweight · Best Anodize Quality
6061-T6 Aluminum
AMS 2770 T6 · Mg 0.80–1.20%; Si 0.40–0.80% · 276 MPa yield; 2.70 g/cm³ · Thickness: ±0.005mm Swiss CNC / ±0.002mm CBN · Primary applications: aerospace shim; instrument spacer; lightweight shim stack.
High Strength · Aerospace
7075-T6 Aluminum
AMS-QQ-A-225 · Zn 5.1–6.1%; Mg 2.1–2.9%; Cu 1.2–2.0% · 503 MPa yield; 2.80 g/cm³ · Thickness: ±0.005mm Swiss CNC · Primary applications: high-strength aerospace shim; structural distance washer.
Soft Seal · Automotive Fuel
1100-H14 Aluminum
ASTM B211 · 99.0% Al minimum; HB 25 · Soft seal; pure Al; food compatible · Thickness: ±0.020mm Swiss CNC · Primary applications: automotive fuel system seal washer; food-grade seal.
Confirm grade & condition
C11000 ETP Copper
Copper-alloy options for electrical or thermal interfaces. Confirm the grade, condition, contact geometry and finish requirements.
Sliding Bearing · Oil Retention
C93200 Bronze (SAE 660)
Bronze options for bearing and sliding components. Confirm the exact grade, mating fit, lubrication and operating conditions.
Finish selection
Surface Treatments for CNC Turning Precision Washers
Select the finish around the specified material, functional surfaces and service conditions. Confirm process details and acceptance requirements with your drawing.
Corrosion control
Passivation & Anodize
ASTM A967 Passivation: free-iron removal and passive oxide restoration after Swiss CNC turning — standard at no additional charge on all 303, 304, 316L, and 17-4PH stainless precision washer deliveries.
- Best for
- Stainless steel surface requirements
- Specify
- Method, masking & inspection records
Finish selection
Nickel, Chrome & Alodine Coatings
Electroless Nickel-Phosphorus — MIL-C-26074: high-P (10–12% P) Ni-P for aluminium precision washers in semiconductor DI water circuits, EV battery thermal management, and chemical process environments where anodize compatibility is inadequate.
- Best for
- Drawing-specific surface requirements
- Specify
- Process, functional surfaces & acceptance
Surface finish
Tin Plate, Bright Nickel & Electropolish
Review tin plate, bright nickel & electropolish against the material, functional surfaces and intended service conditions.
- Best for
- Functional or hygienic surfaces
- Specify
- Required Ra, geometry & allowance
Production Capacity
Machining resources for drawing review, prototypes and repeat-production programs.
Mill-turnCombined turning & milling
CNCPrototype & batch machining
Inspection & documentation
Quality Control for CNC Turning Precision Washers
Review material identity, machining datums, functional dimensions and production records for your component.
IATF 16949AS9100D
To drawingCritical dimensions
As agreedInspection scope
Final tolerances, inspection coverage and acceptance criteria are confirmed against your drawing, material and geometry.
Material Verification
- Check
- Specified grade, material condition and lot identity.
- Verify
- Material certificates and agreed identification checks.
- Records
- Material certificates and required traceability records.
Machining Process Control
- Check
- Critical dimensions, datums and mating features.
- Verify
- Drawing datums, setup planning and in-process inspection.
- Records
- Agreed critical-feature and process inspection records.
Dimensional Inspection
- Check
- Functional dimensions, mating features and surface condition.
- Verify
- Suitable measuring equipment and drawing-specific gauges.
- Records
- Dimensional reports and specified finish results.
Production Documentation
- Check
- First-piece approval, production records and delivery requirements.
- Verify
- The inspection plan and customer approval process.
- Records
- Agreed document pack, including PPAP or FAIR when required.
Agree Your Quality Document Pack
Confirm the certificates, inspection reports and production records needed for your order when sharing your drawing.
CNC Turning Precision Washers FAQ
Which CNC Turning Precision Washers designs can you manufacture?
The product range includes Flat Precision Shim Washers, Shoulder Washers and Stepped Washers, Seal Washers and Face-Seal Washers. Custom geometry is reviewed against the approved drawing.
- Include the mating interfaces, critical datums and expected order quantity.
Which materials can I specify?
Material options include 316L Stainless Steel, 304 & 303 Stainless Steel, 17-4PH H900 Stainless Steel. The exact grade and condition should be confirmed for your application.
- Include material certificate, finish and any restricted-substance requirements with your enquiry.
What should I include in the drawing?
Define critical dimensions, datums and mating features, together with datums, tolerances and required surface condition.
- Include a 2D drawing and 3D model where available.
- Identify the dimensions that affect assembly or function.
What finishing and inspection records can be requested?
Finishing options include passivation & anodize, nickel, chrome & alodine coatings, tin plate, bright nickel & electropolish. Applicability is reviewed against the specified material and geometry.
- Agree material certificates, dimensional reports and any PPAP or FAIR requirements with the order.
How are pricing and lead time confirmed?
Pricing and delivery are confirmed after reviewing the drawing, material availability, quantity, machining route, finishing and inspection scope.
- Prototype and repeat-production schedules are quoted for the specific order.
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Get a Quote for CNC Turning Precision Washers
Share your drawing or 3D model, material, critical dimensions, finish and order quantity. We’ll review the machining route, inspection scope and delivery requirements.
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