H-Type Paper Hole Drill Bits 3-10mm with Smooth Inner Wall - High-Speed Steel for Paper & Board Drilling
Price:
$ 2.5/pcs to $ 4.5/pcs
MOQ:
20 pieces
Delivery Time:
Negotiable
Brand:
Diamond
Product Description
Paper Hole Drill Bits with H-Type Smooth Inner Wall
High-quality tempered steel drill bits designed specifically for paper, board, and laminate applications. Available in diameters from 3mm to 10mm with smooth inner walls for efficient waste paper removal.
Key Features
- H-type smooth inner wall design ensures quick waste paper ejection
- Manufactured from high-speed steel (HSS) for durability and long life
- Sharp cutting edge with wax coating protection until use
- Both outside and inside edges polished for smooth surface finish
- Available in 8 main styles to suit various drilling machines
- Compatible with manual, semi-automatic, and automatic machines
- Dimensions range from 2.0mm to 30mm and 1/8" to 1/2"
- International standard specifications
Technical Specifications
| Drill Diameter (mm) | Collar Diameter (mm) | Drilling Length (mm) | Overall Length (mm) |
|---|---|---|---|
| 2.5 | 25 | 11 | 55 |
| 3.0 | 30 | 11 | 65 |
| 3.5 | 35 | 11 | 70 |
| 4.0 | 40 | 11 | 75 |
| 4.5 | 45 | 11 | 75 |
| 5.0 | 50 | 11 | 85 |
| 6.0-10.0 | 50 | 11 | 85 |
Special diameters available upon request. Prompt delivery guaranteed.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shanghai ProMega Trading Co., Ltd.
Location
Room 302 No. 4 Alley 37 Zhang Jia Bang Road, Pudong New Area, Shanghai, China
Contact Person
Francois Ni