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Hot-selling CNC Machining Part Konb with Captive Collar Screw Knurling Head Short Slotted Thumbscrew
CUSTOM
Classic slotted screws for vintage restoration and decorative hardware. Maintain authenticity with this timeless, simple-drive fastener design. Request a quote.
minimum order
1 piece
Quantity
$0.18 - $0.98 / piece
Classic slotted screws for vintage restoration and decorative hardware. Maintain authenticity with this timeless, simple-drive fastener design. Request a quote.
| Key Attributes | |
| Machining Capabilities | CNC Machining Processes:Broaching, Drilling, Etching/Chemical Machining, Laser Machining, Milling, Turning, Wire EDM, Rapid Prototyping |
| Materials Supported | Aluminum, Brass, Bronze, Copper, Hardened Metals, Stainless Steel, Steel Alloys, Plastic |
| Micro-Machining or Not | Micro Machining |
| Key Processes | CNC Milling, Turning, Drilling |
| Tolerance Standards | Industry-standard precision |
| Surface Treatments | Anodizing, Plasting, Polishing, etc. |
| Applications | Control Systems, Automotive Components |
| Place of Origin | Guangdong, China |
| Model Number | CUSTOM |
| Service Type | Customized OEM/ODM Manufacturing |
| Drawing Formats | PDF, CAD, IGES, STEP |
| Delivery Time | 7-30 Days |
| MOQ | 10 pcs |
· Product Overview
Introducing our high-precision Knurled Thumb Screw, a durable and reliable fastening solution designed for applications requiring manual adjustment, fine tuning, or secure clamping. Crafted from premium-grade stainless steel, this thumb screw combines strength, corrosion resistance, and ergonomic design—ideal for both industrial and DIY projects.
The knurled surface provides excellent grip, allowing smooth operation even with bare hands, while the threaded shaft ensures precise, stable fastening. Its sleek, machined finish reflects professional quality and long-term performance in demanding environments.
· Core Specifications
- Material: High-grade Stainless Steel (304/316 available)
- Surface Finish: Polished & Machined, Anti-Corrosive
- Thread Type: Metric Thread (e.g., M4, M5, M6 – customizable)
- Head Design: Knurled cylindrical head with flat slot for tool-assisted tightening
- Tolerance: ±0.01mm (High Precision Machining)
- Hardness: HRC 28–32 (Suitable for frequent adjustments)
- Customization Options: Length, thread pitch, material grade, coating (e.g., black oxide, nickel plating)
· Application Scenarios
This thumb screw is widely used across various industries due to its precision and user-friendly design:
- Machinery & Equipment: Adjusting knobs on CNC machines, lathes, and assembly tools
- Medical Devices: Secure mounting of components in diagnostic equipment
- Laboratory Instruments: Fine-tuning fixtures and clamps in test setups
- Automotive Prototyping: Adjustable brackets and alignment systems
- Consumer Electronics: Enclosure panels and modular hardware
- DIY & Hobby Projects: Custom builds requiring repeatable, hand-adjustable fasteners
Its compact size and robust build make it perfect for applications where quick access and repeated use are essential.
· Production Process Introduction
Our thumb screws undergo a meticulous production process to ensure consistency and reliability:
- Raw Material Selection: Premium stainless steel rods sourced from certified suppliers
- CNC Machining: Precision turning and threading using advanced CNC lathes
- Knurling Process: Uniform radial grooves applied for optimal grip without compromising structural integrity
- Heat Treatment & Hardening: Controlled tempering to enhance durability and wear resistance
- Surface Finishing: Deburring, polishing, and anti-rust treatment
- Quality Inspection: Each unit is checked for dimensional accuracy, thread integrity, and surface finish before packing
Every step is monitored to meet international standards such as ISO 9001 and RoHS compliance.
· Process
· Packaging and Shipping Methods
- Standard Packaging: Individually polybagged, then packed in sturdy cartons (100 pcs per box)
- Custom Packaging: Available upon request (bulk boxes, blister packs, branded labels)
- Shipping Methods:
- Express: DHL, FedEx, UPS (3–7 days delivery)
- Sea Freight: Economical option for large orders (20–30 days)
- Air Freight: Fastest delivery for urgent needs
- Lead Time:
- In-stock items: 3–5 business days
- Custom orders: 7–15 days after confirmation
We offer door-to-door logistics support and provide tracking information for every shipment.
· Frequently Asked Questions (FAQ)
Q: What is your Minimum Order Quantity (MOQ)?
A: Our MOQ is 100 pieces for standard models. For custom designs, MOQ may vary based on specifications.
A: Our MOQ is 100 pieces for standard models. For custom designs, MOQ may vary based on specifications.
Q: How long is the lead time?
A: Standard products ship within 3–5 days. Customized orders typically take 7–15 days after artwork and sample approval.
A: Standard products ship within 3–5 days. Customized orders typically take 7–15 days after artwork and sample approval.
Q: Can you customize the size, thread, or material?
A: Yes! We offer full customization including length, thread type (metric/imperial), head diameter, material (stainless steel, brass, aluminum), and surface treatment. OEM/ODM services are welcome.
A: Yes! We offer full customization including length, thread type (metric/imperial), head diameter, material (stainless steel, brass, aluminum), and surface treatment. OEM/ODM services are welcome.
Q: Do you provide samples?
A: Yes, we offer free samples (subject to shipping cost) for quality verification.
A: Yes, we offer free samples (subject to shipping cost) for quality verification.
Q: Are your products compliant with international standards?
A: Absolutely. All products meet ISO 9001, RoHS, and REACH regulations. Certifications available upon request.
A: Absolutely. All products meet ISO 9001, RoHS, and REACH regulations. Certifications available upon request.
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