Ball Screw
Repair Kits
Factory-Grade
Restore ±0.001mm positioning accuracy with our precision-engineered ball screw repair kits — G10 bearing balls, POM-C recirculators, and CMM-verified preload shims. Up to 50,000km service life guaranteed.
≤0.01mm

CMM 5μm Accuracy
Ball Screw Repair Kits & Precision Solutions
SSP Precision supplies ball screw repair kits, full screw remanufacturing, stamping die fabrication, and injection mold production. Together, these services deliver traceable, validated, OEM-grade output throughout the manufacturing lifecycle. For related tooling and plastics requirements, explore our injection molding services.
Ball Screw Repair Kit Assembly
Core Service · Motion RestorationWhat do ball screw repair kits include? Our precision-matched component sets restore ball screw assemblies to OEM specifications. Each kit is compiled in an ISO Class 5 cleanroom and CMM-verified before dispatch. We stock Hiwin, THK, and NSK-compatible configurations; bespoke kits follow customer drawings within 5–7 working days. First, confirm the shaft, nut, lead, ball gauge and recirculator geometry.
Can ballscrew kits restore lead accuracy? Complete shaft re-grinding and nut rebuilding address worn or damaged assemblies. Our 5-axis CNC grinding targets ±0.02mm per 300mm; C3/C5 requirements need separate acceptance testing. Runout is corrected to ≤0.02mm/m using real-time laser interferometry. Optional DLC PVD coating extends wear life by 3–5×. Accordingly, ball screw repair kits are selected after raceway assessment.
How are ball screw repair kits inspected? Each kit or remanufactured assembly passes multi-stage inspection. Our Zeiss CMM provides 1.5μm resolution; ASTM B117 salt spray testing validates 1000h corrosion performance. Accelerated wear testing simulates 50,000km rated life. Steel components carry laser-marked traceable lot numbers. In addition, the inspection report should distinguish instrument resolution from measurement accuracy.
OEM Custom Ballscrew Kits
OEM / Supply Chain · White-Label ReadyCan you supply ball screw repair kits for CNC machines? Yes. We engineer ballscrew kits for OEM specifications, including 1.0–12.7mm ball diameters, proprietary nut thread forms and custom recirculators. White-label packaging supports distributors and service networks, with flexible prototype and production quantities. Before ordering ball screw replacement parts, provide the machine model, drawings, lead, mounting dimensions and operating conditions.
Progressive and transfer stamping die design and manufacture for high-volume metal forming applications. Punches and dies are machined from D2, SKD11, and HSS M2 tool steels using wire EDM and 5-axis CNC grinding to achieve ±0.002mm clearance tolerances. Full die tryout is conducted on our 80–400-tonne press fleet with stamped sample approval before final handover.
Precision injection mold design and manufacture covering micro-molding (shot weights from 0.1g), green mold rapid-tooling, over-molding, and insert molding for complex multi-material components. Mold bases are machined to NAK80 and H13 steel with P20 cavity steels. We manage full T1 sampling and process qualification, supplying PPAP documentation for automotive and medical customers.
Ballscrew Parts & Components
Our ballscrew parts portfolio covers precision motion and tooling components with full material traceability. Ball screw repair kits combine matched components for the specified assembly. However, bearing balls, return elements, shims and associated ball screw replacement parts must be checked against the original nut and shaft geometry.
G10 grade balls, bronze/POM-C recirculators and precision preload shims form complete ball screw repair kits for performance restoration up to 50,000km service life. These ballscrew parts are matched to the application.
G10 grade balls in SCM440 VAR steel, hardness 60–64 HRC. Ball grade, nominal diameter and selection gauge are separate specifications; confirm each when selecting ball screw repair kits.
Punches, dies, guide pins, retainers and inserts manufactured to OEM drawings. ±0.002mm standard tolerance.
Complete sub-assembly production for automotive, medical, and semiconductor industries.
Custom-machined shafts, housings, brackets and precision inserts in steel, aluminum, and engineering plastics.
Engineering Specifications
Ball screw repair kits and remanufactured assemblies are engineered to exceed OEM performance, with traceable measurement and independent third-party testing. Therefore, compare lead accuracy, backlash, runout and component dimensions separately against the approved inspection plan. Acceptance conditions are addressed by ISO 3408-3.
| Category | Parameter | Standard Grade | Precision Grade | Validation | Standard |
|---|---|---|---|---|---|
| Material Properties | |||||
| Screw Shaft | Material | 55CrMo Alloy | SCM440 VAR | PMI Spectrometry | DIN 17200 |
| Hardness | HRC Rating | 58–62 HRC | 60–64 HRC | Rockwell C Scale | ISO 6508 |
| Mechanical Performance | |||||
| Lead Accuracy | Per 300mm | ±0.05mm | ±0.02mm | Laser Interferometer | JIS B1192 |
| Backlash | Axial Play | ≤0.08mm | ≤0.03mm | Dial Indicator | DIN 69051 |
| Component Quality | |||||
| Ball Grade | Spherical Grade | G16 | G10 | Microscopic Inspection | ISO 3290 |
| Recirculator | Material | POM-C | Bronze-PTFE | Wear Testing | ASTM D3702 |
| Durability | |||||
| Service Life | Distance (km) | 20,000 km | 50,000 km | Accelerated Life Test | ISO 3408-5 |
| Wear Rate | μm/1000km | ≤15 μm | ≤5 μm | Profile Measurement | Agreed Wear Test |
Tolerance Standards
For ball screw repair kits, general component tolerances follow the approved drawing: ISO 2768-f for metals and ISO 2768-m where specified for plastics. Our CMM verification checks the agreed limits. However, ball screw lead accuracy and preload require their own acceptance criteria; general dimensional tolerances do not establish an accuracy class.
Available Surface Finishes
Precision surface treatments support corrosion resistance, wear performance and appearance. For ball screw repair kits, select each finish for the component material and function. In particular, a treatment suitable for an aluminium housing may not suit a hardened ball track.
Direct from CNC — tool marks visible. Most economical option. Ra 1.6–6.3μm typical. Suitable for non-aesthetic internal components.
Electrochemical oxide layer on aluminum. Increases surface hardness to 400–500HV, excellent corrosion resistance, dyeable for colour coding.
Mirror-grade surface finishing to Ra <0.1μm. Reduces friction, improves flow characteristics in fluid systems, and enhances visual appeal.
Fine parallel grain texture. Reduces visible fingerprints and scratches, improves grip on exterior surfaces, and gives a premium industrial look.
High-pressure abrasive media creates uniform matte texture. Removes scale and oxides, creates ideal bonding surface for coatings and adhesives.
Electrochemical material removal achieves Ra <0.2μm. Removes embedded particles, enhances passivation of stainless steel, ideal for medical & pharma.
How We Engineer Your Repair Kit
First, SCM440 VAR steel is certified by ICP-MS analysis, with heat-number tracking per EN 10204 3.1. PMI spectrometry checks every batch before machining ball screw repair kits and associated components.
Next, 5-axis CNC grinding restores shaft lead accuracy to ±0.02mm per 300mm. Runout is corrected to ≤0.02mm/m using laser interferometry feedback. Class requirements are confirmed by the agreed acceptance report.
Then, a 3D CMM with 1.5μm resolution verifies critical dimensions of ball screw repair kits. The full dimensional report is generated and archived for traceability; calibration and measurement uncertainty support interpretation of the results.
Accelerated life-cycle testing simulates 50,000km under rated axial load. Thermal compensation and backlash are verified. For ball screw repair kits, service-life assessment also considers load, lead, preload, lubrication and mounting, as explained in THK’s service-life guidance.
Finally, kitting takes place in an ISO Class 5 cleanroom, with laser-marked lot traceability and anti-corrosion packaging rated for a 24-month shelf life. Keep components sealed until the assembly area is ready.
Materials & Capabilities
From tool steels to engineering plastics, SSP processes 150+ certified materials for precision applications. Ball screw repair kits require material choices matched to contact loading, lubrication, temperature and the surrounding assembly. In addition, confirm chemical compatibility for each recirculator and seal.
GCr15, SUJ2, 52100 steel for maximum hardness, fatigue life, and load capacity.
D2, SKD11, H13, M2 HSS for stamping dies, punch-and-die sets, and wear components.
SCM440, 55CrMo and 40Cr for screw shafts, precision shafts and structural components in ball screw repair kits. Material selection follows the component drawing.
316L, 304, 17-4PH for corrosion resistance in food-grade, medical, and marine environments.
6061-T6, 7075, 2024 for lightweight structural parts, housings, and prototype components.
POM-C, PTFE, PEEK, PA66 for self-lubricating recirculators, bushings, and slider components.
CuSn8, CuZn39Pb3 for high-load bronze-PTFE recirculators and self-lubricating bearings.
Diamond-like carbon, TiN, CrN PVD coatings for extended wear resistance and reduced friction.
Built on Precision,
Trusted by Industry
Since 2008, Dongguan Shuangshun Precision (SSP) has served global OEMs and Tier-1 suppliers with vertically integrated manufacturing, from raw material to validated, packaged components. Ball screw repair kits receive the same drawing-led engineering review. As a result, the quoted specification, inspection documents and delivery requirements remain aligned.
- ISO 9001:2015 Certified — quality management system covering all manufacturing and inspection processes
- Same-Day Shipping for critical repairs from our Dongguan facility for stock repair kits
- Full Material Traceability — heat number tracking and PMI analysis per EN 10204 3.1
- OEM & Custom Engineering — white-label kitting and bespoke specification matching for machine builders
- Global Export — shipping to 40+ countries with HS code classification support and export documentation
Your Ball Screw Performance?
Get a free engineering consultation and same-day quote on ball screw repair kits for CNC machines. Share your machine specifications, photos and drawings so our team can review compatibility, required components and acceptance criteria before confirming the supply scope.