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Shenzhen TingFeng Hardware Products Co.,Ltd
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Heat Treated Black Oxide Coated High Load Capacity Custom Knurling Pattern Self Clinching Nut

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Shenzhen TingFeng Hardware Products Co.,Ltd

City: shenzhen

Province/State:guangdong

Country/Region:china

Tel:86-755-82025163

Contact Person:
Mrs.Shirley
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Heat Treated Black Oxide Coated High Load Capacity Custom Knurling Pattern Self Clinching Nut

Brand Name TF
Model Number TF-008
Certification lSO9001
Place of Origin Shenzhen, China
Minimum Order Quantity 1
Price 0.01-0.28
Payment Terms T/T
Supply Ability 10000000pieces/per month
Delivery Time 3days/Start
Packaging Details Carton packaging 18*15*12cm (packaging can be customized according to customer product requirements)
Heat Treatment Core hardness up to HV 450
Coating Black oxide (non-reflective matte)
Pull-out Force Up to 1500 N depending on size
Knurling Pattern Customized to parent material hardness
Material Carbon steel (10B21 / 4140)
Installation Standard press equipment, no special tooling
Application High load, optical/precision equipment
High load, optical/precision equipment Hardness test + pull-out force sampling
Detailed Product Description
Heat Treated Black Oxide Coated High Load Capacity Custom Knurling Pattern Self Clinching Nut
High-Performance Self Clinching Nuts for Demanding Applications
Our heat treated self-clinching nuts deliver exceptional pull-out resistance up to 1500N with core hardness of HV450. The black oxide coating provides a non-reflective matte black finish ideal for optical equipment and concealed assemblies. Custom knurling patterns are engineered specifically for your parent material to ensure maximum grip without panel damage. Fast 48-hour sampling available.
Engineered for Extreme Load Conditions
Standard press nuts often fail under high axial loads, vibration, or thermal cycling. Our specialized heat treatment process achieves HV450 core hardness in carbon steel nuts while maintaining surface toughness for reliable clinching deformation. With pull-out forces reaching 1500N (M6 size), these nuts are built for heavy equipment and safety-critical applications.
Custom knurling patterns are precisely engineered based on your parent material's hardness and thickness. We analyze aluminum, mild steel, stainless steel, or plastic substrates to design optimal tooth profiles (depth, pitch, helix angle) that maximize anti-rotation torque while preventing panel cracking. The black oxide coating ensures non-reflective properties with basic corrosion resistance, perfect for internal assemblies. All products include installation force and pull-out force test reports. Backed by 15 years of manufacturing expertise.
Features & Advantages
FeatureAdvantage to You
Heat treated to HV450Pull-out force up to 1500N; handles high-load applications
Custom knurling patternOptimized for parent material; maximizes grip, no panel cracking
Black oxide coatingNon-reflective matte finish for optical & precision equipment
Standard press installationNo special tooling; reduces assembly cost
Test reports providedData-driven validation of load capacity; reduces design risk
Product Specifications
Specification ItemDetail / CapabilityNotes / Description
Thread SizeM3 - M8M2.5 available on request
Core HardnessHV 400 - 520 after heat treatmentVaries by size
Pull-out ForceM3: ≥800N / M4: ≥1200N / M6: ≥1500NDepends on knurl design
Torque-out Resistance≥5 N*m for M4Anti-rotation
Knurl TypeCustom tooth profile (diamond/straight/helical)Recommended per parent material
Coating Thickness1-3µm black oxideNon-dimension changing
Parent Material Hardness Rec≤HV 200 (Al) / ≤HV 150 (steel)Higher requires evaluation
Sample Lead Time3-5 daysIncludes custom knurl
Product Applications
Optical Inspection Equipment: Internal fastening for dark boxes and lens mounts; black oxide surface non-reflective, does not affect imaging.
Industrial Robot Arms: Sensor mounting at joints; high pull-out force resists acceleration/deceleration shocks.
EV Battery Swap Stations: Wear-resistant fasteners for battery locking mechanisms; heat treated for repeated insertion/removal.
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.
Product Tags: Heat treated black oxide self clinching nut   High load capacity knurling nut   Custom knurling pattern clinching fastener  
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