ZC-TOOLS Chip Blind Hole Drilling bits are designed for clean, precise, and efficient drilling in particle board, MDF, and solid wood. Made with fine-grain carbide and advanced grinding technology, they deliver long tool life, smooth finishes, and reliable performance for CNC and woodworking machines.
Insert-Type Hinge Boring Bits are specially engineered for clean, accurate, and efficient blind hole drilling in woodworking applications. Manufactured with micro-grain carbide tips and optimized cutting edges, these drills provide superior durability, high sharpness, and long tool life. The drills are designed to deliver smooth surface finishes, stable chip removal, and high positioning accuracy, making them ideal for Line Boring Machine, CNC Router and CNC Six-Sided Drilling Center.
They are suitable for particle board, MDF, and solid wood, ensuring versatility across furniture and woodworking industries.
Each drill is precisely ground and polished, ensuring reduced cutting resistance, high wear resistance, and outstanding performance even under continuous production.

| Product Code | Size (mm) | Notes |
|---|---|---|
| B02001001 | 3x57L/ 3x70L | ★ |
| B02001002 | 3x57R/ 3x70R | ★ |
| B02001003 | 3.5x57L/3.5x70L | ★ |
| B02001004 | 3.5x57R/3.5x70R | ★ |
| B02001005 | 4x57L/4x70L | ★ |
| B02001006 | 4x57R/4x70R | ★ |
| B02001007 | 4.5x57L/4.570L | ★ |
| B02001008 | 4.5x57R/4.570R | ★ |
| B02001009 | 5x57L/5x70L | ★ |
| B02001010 | 5x57R/5x70R | ★ |
| B02001011 | 5.5x57L/5.5x70L | ★ |
| B02001012 | 5.5x57R/5.5x70R | ★ |
| B02001013 | 6x57L/6x70L | ★ |
| B02001014 | 6x57R/6x70R | ★ |
| B02001015 | 6.2x57L/6.2x70L | ★ |
| B02001016 | 6.2x57R/6.2x70R | ★ |
| B02001017 | 6.5x57L/6.5x70L | ★ |
| B02001018 | 6.5x57R/6.5x70R | ★ |
| B02001019 | 7x57L/7x70L | ★ |
| B02001020 | 7x57R/7x70R | ★ |
| B02001021 | 7.5x57L/7.5x70L | ★ |
| B02001022 | 7.5x57R/7.5x70R | ★ |
| B02001023 | 8x57L/8x70L | ★ |
| B02001024 | 8x57R/8x70R | ★ |
| B02001025 | 8.5x57L/8.5x70L | ★ |
| B02001026 | 8.5x57R/8.5x70R | ★ |
| B02001027 | 9x57L/9x70L | ★ |
| B02001028 | 9x57R/9x70R | ★ |
| B02001029 | 9.5x57L/9.5x70L | ★ |
| B02001030 | 9.5x57R/9.5x70R | ★ |
| B02001031 | 9.8x57L/9.8x70L | ★ |
| B02001032 | 9.8x57R/9.8x70R | ★ |
| B02001033 | 10.0x57L/ 10.0x70L | ★ |
| B02001034 | 10.0x57R/ 10.0x70R | ★ |
| B02001035 | 10.2x57L/10.2x70L | ★ |
| B02001036 | 10.2x57R/10.2x70R | ★ |
| B02001037 | 10.5x57L/10.5x70L | ★ |
| B02001038 | 10.5x57R/10.5x70R | ★ |
| B02001039 | 11x57L/11x70L | ★ |
| B02001040 | 11x57R/11x70R | ★ |
| B02001041 | 11.5x57L/11.5x70L | ★ |
| B02001042 | 11.5x57R/11.5x70R | ★ |
| B02001043 | 12x57L/12x70L | ★ |
| B02001044 | 12x57R/12x70R | ★ |
| B02001045 | 13x57L/13x70L | ★ |
| B02001046 | 13x57R/13x70R | ★ |
| B02001047 | 14x57L/14x70L | ★ |
| B02001048 | 14x57R/14x70R | ★ |
| B02001049 | 15x57L/15x70L | ★ |
| B02001050 | 15x57R/15x70R | ★ |
Note: ★ indicates that custom sizes available upon request to meet specific project needs.