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{"title":"Heat Treated Black Oxide Coated High Load Capacity Custom Knurling Pattern Self","imgUrl":"https:\/\/img.chinax.com\/nimg\/3e\/4a\/7d18f61cbd6e69ec6a9e85f2bd22-200x200-1\/heat_treated_black_oxide_coated_high_load_capacity_custom_knurling_pattern_self_clinching_nut.jpg","attrs":{"Brand Name":"TF","Model Number":"TF-008","Certification":"lSO9001","Place of Origin":"Shenzhen, China"}}
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{"title":"High Conductivity Lead Free Brass RoHS Compliant For Automotive Electronics Self","imgUrl":"https:\/\/img.chinax.com\/nimg\/81\/f7\/3ea91064cfa8294acbebf2848437-200x200-1\/high_conductivity_lead_free_brass_rohs_compliant_for_automotive_electronics_self_clinching_insert_nut.jpg","attrs":{"Brand Name":"TF","Model Number":"TF-0012","Certification":"lSO9001","Place of Origin":"Shenzhen, China"}}
{"title":"Custom Flange Diameter Non Standard Outer Size Tight Tolerance Passivated Press","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/5a\/4efd10c8cf16d9e7ff9dca43be11-200x200-1\/custom_flange_diameter_non_standard_outer_size_tight_tolerance_passivated_press_nut.jpg","attrs":{"Brand Name":"TF","Model Number":"TF-004","Certification":"lSO9001","Place of Origin":"Shenzhen, China"}}
Precipitation Hardened High Fatigue Life Custom Ring Groove 17-4PH Stainless Steel Self Locking Nut
17-4PH Stainless Steel Self Locking Nut with Custom Ring Groove for High Fatigue Applications. Under high-fatigue conditions, ordinary self-locking nuts have insufficient life. Our 17-4PH precipitation hardened self-locking nuts are H900 heat treated to 1300MPa tensile strength, specifically designed for dynamic loading. Custom ring groove allows snap ring installation for secondary locking. Ideal for robot joints, racing suspension, drone rotor mechanisms. 48hr sampling.
Enhanced Performance for Soft Materials
In robot joints, racing suspension, or high-speed rotating mechanisms, fasteners endure frequent tension-compression cycles and vibration. Ordinary stainless steel self-locking nuts may loosen after millions of cycles due to fatigue. 17-4PH precipitation hardened stainless steel, through H900 aging treatment, achieves ultra-high strength while maintaining good toughness, with fatigue limits far exceeding 304 or 316.
We offer custom ring groove service: you specify groove position, width, and depth for installing a snap ring or retaining ring, providing mechanical backup locking—even if the self-locking feature fails, the nut will not come off. This dual locking design has been proven in aerospace and racing applications. 17-4PH also offers good corrosion resistance, comparable to 304. Fatigue test data is available upon request. 15 years experience—providing the most reliable locking for your dynamic mechanisms.
Features & Advantages
Feature
Advantage to You
17-4PH precipitation hardened
1300MPa tensile; fatigue life far exceeds standard stainless
Custom ring groove
Allows snap ring for mechanical backup locking; dual protection
H900 heat treatment
Balanced strength and toughness; impact resistant
Self-locking reusable 15+ times
No nut replacement during maintenance; reduces after-sales cost
Corrosion resistance
Comparable to 304; suitable for most environments
Product Specifications
Specification Item
Detail / Capability
Notes / Description
Thread Size
M3 - M10
Larger on request
Material Condition
17-4PH H900
Hardness ≥40 HRC
Tensile Strength
≥ 1300 MPa
After heat treatment
Ring Groove Position
Custom per drawing
Recommended on flange face or thread root
Groove Width/Depth
0.5 - 2.0mm / 0.2 - 1.0mm
For standard snap rings
Self-locking Reusability
≥15 cycles, torque loss <20%
Test report available
Salt Spray Resistance
≥ 200 hours
Natural finish
Sample Lead Time
5-7 days
Includes ring groove machining
Product Applications
Collaborative Robot Joints: Fastening at harmonic drive outputs; withstands frequent start/stop and reverse impacts.
EV Racing Suspension Links: Rod end bearing fixation in push-rod suspension; high fatigue life ensures race safety.
Helicopter Rotor Hubs: Dynamic component connections; ring groove + snap ring prevents catastrophic failure from loosening.
Frequently Asked Questions
Can you handle complex custom designs and provide design optimization suggestions?
Absolutely. This is our core expertise. We provide free DFM analysis within 3-5 days, often helping clients achieve 15-30% cost reduction through design for manufacturability.
How do you ensure quality consistency and handle defect issues?
We implement a rigorous 4-stage QC system with 100% full inspection. Our track record shows 99.99% qualification rate.
What are your lead times and how do you handle urgent orders?
Standard lead times: 3-7 days for prototypes, 7-15 days for mass production. We offer VIP prioritization cutting lead times by up to 30%.
Will I get timely responses and professional support throughout the project?
Yes. You get a 1v1 exclusive consultant with 1-hour initial response commitment and 24-hour technical support.
Can you provide material certifications and environmental compliance reports?
Yes. We provide material certifications and environmental test reports (RoHS, REACH compliant) upon request.
How do you protect my designs and intellectual property?
We start with mutual NDA and implement strict mold ownership protection and confidential data security measures.
What are your payment terms and MOQ requirements?
We offer flexible payment terms (T/T, L/C at sight) and MOQ from 1 piece for prototyping.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
the year20
Total Annual:
20000000-30000000
Employee Number:
60~70
Ecer Certification：
Verified Supplier
Company Profile
Tingfeng Hardware — Your Partner for High-Precision Non-Standard Components
Since 2010, with 15 years of dedication, we focus on one mission: solving your “un-makeable, small-batch, urgent, and difficult” non-standard part manufacturing challenges.
Core Streng... Company Profile
Tingfeng Hardware — Your Partner for High-Precision Non-Standard Components
Since 2010, with 15 years of dedication, we focus on one mission: solving your “un-makeable, small-batch, urgent, and difficult” non-standard part manufacturing challenges.
Core Streng...
