Key Features
- Precision-ground bores for exact hole alignment
- Made from hardened alloy steel for durability and wear resistance
- Corrosion-resistant surface treatment suited for marine environments
- Available in metric (1.0–13.0 mm) and fractional (1/16″–1/2″) sizes
- Compatible with standard drill chucks, drill presses, and bushings
- High hardness (HRC 45–55) to withstand heavy-duty use
Technical Specifications
| Material | Hardened alloy steel (e.g., Cr12, 9CrSi) with anti-corrosion plating |
|---|---|
| Hardness | 45–55 HRC |
| Available Sizes | Metric: 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 13.0 mm; Fractional: 1/16″, 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″ |
| Tolerance | Internal bore: H7; External diameter: h7 |
| Length | 30 mm–75 mm (dependent on size) |
| Surface Finish | Black oxide or zinc-plated |
| Application | Drilling alignment in shipyards, engine rooms, deck work, and general metal fabrication |
Frequently Asked Questions
What are drill sleeves used for?
Drill sleeves act as guides for twist drills, helping to maintain accurate position and angle during drilling. They are essential for producing clean, precise holes in metal, wood, or plastic, especially when using a drill stand or jig.
Which drill sizes do these sleeves fit?
Our drill sleeves are available in both metric and fractional sizes to accommodate common twist drill diameters. Choose the sleeve with an inner diameter that matches your drill bit size. The outer diameter fits standard drill chuck jaws or bushing holders.
Are these sleeves suitable for marine use?
Yes, the surface treatment provides corrosion resistance against saltwater and humidity, making them suitable for onboard maintenance and repair tasks in marine environments.
How do I choose the correct drill sleeve?
Match the inner diameter of the sleeve to the drill bit size you plan to use. The outer diameter should match the bore of your drill guide or fixture. Ensure the sleeve length is adequate for your drilling depth.
Inquire About This Product
Contact us for pricing, availability, and bulk orders:
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