Countersunk Phillips Head Self Drilling Screw (CSK) Made of AISI 1018-1022 Available in sizes #10 / #12 Integrated self-drilling point
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Highlight
Countersunk Phillips self drilling screws
,AISI 1018-1022 metal screws
,Self drilling screws #10 #12
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Product NameCountersunk Phillips Head Self Drilling Screw (CSK)
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StandardGB DIN JIS ANSI
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Diameter4.8mm
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PointtypeDrill Point
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SizeST3.5-ST6.3
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Grade4.8/6.8/8.8/10.9/12.9
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StandardscomplianceISO 1478
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TypesSelf Drilling Screws
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Thread CoverageANSI B 16.9, ASTM A420
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Place of OriginShanghai, China
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Brand NameTOBO
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CertificationISO/TUV/SGS
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Model NumberSelf Drilling Screw
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Minimum Order Quantity1Pcs
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PriceNegotiable
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Packaging DetailsStandard Shipping Package
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Delivery Time15-30 Workdays
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Payment TermsT/T, Western Union
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Supply Ability15tons per month
Countersunk Phillips Head Self Drilling Screw (CSK) Made of AISI 1018-1022 Available in sizes #10 / #12 Integrated self-drilling point
Countersunk Phillips Head Self Drilling Screw (CSK)
Product Description
Countersunk Phillips Head Self Drilling Screws (CSK) are flat-head fasteners designed for flush installation, widely used in light metal and thin material applications. Made of AISI 1018-1022 carbon steel, these screws feature a heat-treated drill point for self-drilling without pre-drilling, combined with a countersunk head for a neat, finished look. Customizable sizes and finishes meet diverse project needs.
| Parameter | Specification |
|---|---|
| Material | AISI 1018-1022 Carbon Steel |
| Case Hardness | HV 550–800 |
| Core Hardness | HV 300–450 |
| Carburizing Depth | 0.15 mm |
| Attack Rate | 15 kg / 3 s |
| Torsional Strength | 8#: 50–60 kgf·cm; 10#: 80–85 kgf·cm; 12#: 100–110 kgf·cm |
| Available Gauges | #6, #7, #10 |
| Length Range | 13 mm – 50 mm (Customizable) |
| Point Types | #2, #3 |
| Suitable Material Thickness | 0.9–2.5 mm (#2 point); 2.8–4.4 mm (#3 point) |
| Finish | Customizable per customer requirement |
Applications
- Light metal sheet assembly
- Furniture and cabinet manufacturing
- Interior decoration and drywall installation
- Electrical equipment and appliance assembly
- General thin metal-to-metal fastening
Advantages
- Countersunk head design ensures flush mounting for a smooth, aesthetic surface.
- Self-drilling tip eliminates pilot holes, saving installation time and labor costs.
- High hardness and torsional strength prevent breakage or stripping during driving.
- Small gauge options fit thin materials without causing deformation.
- Customizable finishes provide corrosion resistance for indoor and mild outdoor use.
Features
- Phillips recess enables secure tool engagement, reducing slippage during installation.
- Uniform carburization ensures consistent hardness for reliable performance.
- Sharp drill point delivers fast, clean penetration into thin steel and aluminum.
- Compact dimensions suit tight spaces and precision assembly tasks.
- Wide range of lengths supports varying material thickness combinations.
FAQ
1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the certification.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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