Custom Fasteners
Custom M4 Carbon Steel Black Nickel Shoulder Screw 2-50mm
Precision M4 shoulder screw with black nickel finish, heat-treated carbon steel, and cross groove drive. Ideal for communication equipment. RoHS compliant.
- Material
- Carbon Steel
- Finish
- Black Nickel
- Certification
- ISO9001/ISO14001/IATF16949/IECQ/ROHS
Technical data
Specifications
| Place of Origin | China |
|---|---|
| Certification | ISO9001/ISO14001/IATF16949/IECQ/ROHS |
| Material | Carbon Steel |
| Performance Grade | Heat Treatment Hardening |
| Finish | Black Nickel |
| Drive Type | Cross Groove |
| Specifications | M2.0-M8 |
| Length | 2mm-50mm |
| Apply | Communication Equipment |
| Authentication | Rohs |
| Thread Pitch | Matching Screw Development |
| Services Available | Custom/ODM/OEM |
Description
About this part
Custom Limit Screw Carbon Steel Black Nickel Cross Groove Flat Head Shoulder Screw
Precision-engineered shoulder screw designed for limiting applications on communication device motherboards. Features a slotted shoulder position for E-shaped retaining ring compatibility.
Key Features
- Slotted shoulder design for retaining ring attachment
- Manufactured in-house with strict quality control
- Environmentally friendly materials with comprehensive testing capabilities
Product Specifications
 |
Available Materials: Stainless Steel: SUS201, SS303, SS304, SS316, SS410, SS430 Carbon Steel: C1008, C1018, C1022, 10B21 Alloy Steel, Brass, Aluminum, Copper Custom materials available |
 |
Size Range: M0.8~M14 Length Range: 1～200mm |
| Head Type | Countersunk, Flat, Phillips, Pan, Truss, Round, Oval, HEX, Cheese, Cap, Binding |
|---|---|
| Surface Treatment | Zinc, Plain, Polish, Black Oxide, Cadmium Plated, Zinc-aluminum Coated, Chrome Plated, Silver Plated, Anodized, or custom |
| Screw Type | Tapping screws, Machine screws, Wood screws, Drywall screws, Cross recessed screws, Concrete screws, Torx screws, Hex cap screws, Hex socket head screws, Set screws, Shoulder screws, Thumb screws, Binding screws, Flange screws, Screw bolts, Standoff screws, Mini screws, and custom products |
| Hardness | Carbon Steel: 4.8~12.9 grade Stainless Steel: A2-70, A4-70, A4-80, A5-80 Custom hardness available |
| Sample Availability | Free samples available, accepts small batch trial production orders |
Industry Specifications
| Finish | ZINC, Plain, Black Oxide, ZINC PLATED, Chrome Plated, Silver Plated, Passivation |
|---|---|
| Material Capabilities | Brass, Stainless steel, Steel, Aluminium, NICKEL, Bronze, Nylon, Titanium alloy |
| Measurement System | INCH, Metric |
| Standards | DIN/ISO/ANSI/GB |
Ordering Information
| Place of Origin | Guangdong, China | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Brand Name | Lock Tech | ||||||||||
| Minimum Order Quantity | 1000pcs | ||||||||||
| Payment Terms | T/T | ||||||||||
| Lead Time |
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Frequently Asked Questions
Q: Can you provide customized services?
A: Yes, we accept OEM/ODM services. With 20+ years experience in custom non-standard screws, we can provide product drawings based on your requirements if you don’t have them.
Q: Can you supply samples?
A: Yes, we provide samples for existing tooling. For new tooling, tooling cost applies and shipping costs are customer’s responsibility.
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