Jiangsu Xingrui Precision Tools Co., Ltd.
| Size | 12-120mm |
| Color | Request |
| Delivery Time | 25-30 days |
| Shank | Round,Hex |
| Payment Terms | L/C, T/T, D/P, Western Union |
| Type | Core Drill Bit |
| FINISHED | Ground Finish |
| Material | High Carbon Steel |
| Product name | wood cutting drill bit |
| Packaging Details | Each item will be transparent plastic box |
| Supply Ability | 20000PCS PER DAY |
| Use | wood perforation,spherical door |
| Model Number | 35MM |
| Place of Origin | CHINA |
| Brand Name | XRTOOLS |
| Certification | ISO9000 |
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Product Specification
| Size | 12-120mm | Color | Request |
| Delivery Time | 25-30 days | Shank | Round,Hex |
| Payment Terms | L/C, T/T, D/P, Western Union | Type | Core Drill Bit |
| FINISHED | Ground Finish | Material | High Carbon Steel |
| Product name | wood cutting drill bit | Packaging Details | Each item will be transparent plastic box |
| Supply Ability | 20000PCS PER DAY | Use | wood perforation,spherical door |
| Model Number | 35MM | Place of Origin | CHINA |
| Brand Name | XRTOOLS | Certification | ISO9000 |
| High Light | carbon steel wood drill bit ，carbon steel long drill bits for wood | ||
Achieve flawless door hardware installation with our Professional 35mm Spherical Door Drill Bit. Specifically engineered for creating clean, flat-bottomed holes, this tool is the industry standard for installing spherical (ball-type) door locks. Crafted from premium High Carbon Steel (HCS), it offers the perfect balance of edge sharpness and structural toughness required for both softwoods and dense hardwoods used in modern interior design.
Whether you are a professional contractor in Europe or a high-volume hardware supplier in the Middle East, this bit delivers the precision required for high-stakes woodworking.
Precision-machined to ensure 100% concentricity, reducing vibration and preventing wood splintering.
| Parameter | Specification |
| Diameter (D) | 35 mm (Optimized for Spherical Lock Cylinders) |
| Material | High-Grade High Carbon Steel (HCS) |
| Shank Type | 6.35mm (1/4") Quick-Change Hex Shank |
| Cutting Edge | Dual Wing Cutters with Center Point |
| Surface Treatment | Polished / Anti-Rust Coating |
| Recommended RPM | 1,200 - 2,500 RPM (Depending on wood density) |
| Target Materials | Solid Wood, MDF, Plywood, Veneer Boards |
The bit features an ultra-sharp Center Spur that bites into the wood instantly. This prevents the bit from "wandering" across the door surface, ensuring the lock hole is positioned exactly where you marked it—critical for the alignment of the latch and strike plate.
Designed for the modern job site, the 6.35mm Hex Shank provides a secure, non-slip fit in all standard drill chucks and impact drivers. This allows for rapid switching between drilling the main cylinder hole and the latch pilot hole, significantly increasing installation speed.
The cutting head is equipped with two precision-ground wings that shear wood fibers before the main waste is removed. This results in an "Exit-Clean" hole with zero splintering, even on delicate veneers or laminated door surfaces.
Our specialized HCS undergoes a vacuum-tempering process to achieve optimal hardness. This ensures the cutting edges stay sharp for hundreds of cycles, even when drilling abrasive materials like MDF or resin-heavy tropical hardwoods.
Spherical Lock Installation: The 35mm diameter is the precise fit for the vast majority of international ball-style door locks.
Cabinet Making: Ideal for large-diameter hinge boring and decorative woodwork.
Furniture Assembly: Clean flat-bottomed holes for concealed joints and hardware.
Retail Ready: Individual color-coded blister cards or transparent plastic tubes with EAN/UPC barcodes.
Wholesale Solutions: Bulk moisture-proof inner boxes (10–20 pcs) and reinforced export cartons.
OEM Marking: High-precision Laser Marking for brand logos and size specifications directly on the hex shank.
Q: Why use a 35mm bit instead of a standard hole saw?
A: A 35mm wood bit creates a smoother, flat-bottomed hole with significantly less vibration than a hole saw. It also provides better control when drilling into the edge of a door for the latch mechanism.
Q: Can this bit be used in an impact driver?
A: Yes. The 1/4" Hex Shank is specifically designed to be compatible with both standard drill chucks and quick-release impact drivers.
Q: Is this bit suitable for hardwood doors found in the Middle East and Russia?
A: Absolutely. The High Carbon Steel construction is tempered to handle dense hardwoods. We recommend a steady RPM and clearing the chips frequently for the best results in extremely hard timber.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2008
Total Annual:
500-600
Employee Number:
30~50
Ecer Certification：
Verified Supplier
Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in YangZhou, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We special... Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in YangZhou, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We special...
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