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Van Lonzo Blue Serrated Cross Drill, Upgraded Serrated Cross Hex Shank Drill Bit Set, 30% Higher Drilling Efficiency for Tile, Marble, Granite, Quartz
- Overview
- Application
- Advantages
- FAQ
- Recommended Products
Overview
Changshunda Manufacturer Intro
Changshunda Factory is located in Jishan County, Yuncheng City, Shanxi Province, China, professional manufacturer specializing in vacuum brazed diamond drilling & cutting tools. We have complete production lines and strict QC inspection system, support OEM & ODM wholesale customization: custom drill dimension, body color, private logo and package design for global cross-border sellers and hardware importers. Our diamond tools are exported to Europe, Southeast Asia, Middle East and North America all over the world.
1. Product Specification
Our Blue Serrated Cross Drill has 5 standard sizes to meet daily decoration and maintenance drilling needs. Each Blue Serrated Cross Drill features upgraded staggered serrated cross tip, deep spiral chip flutes and standard 6.3mm hex shank, compatible with most electric drills and cordless screwdrivers. All dimensions of the Blue Serrated Cross Drill are marked in both mm and inches for global buyers. Strict industrial size inspection ensures stable drilling precision of every Blue Serrated Cross Drill. Full specs are shown in the table below:
| Item | Details |
| Place of Origin | Qinghe Town, Jishan County, Yuncheng City, Shanxi Province, China |
| Brand Name | Van Lonzo |
| Standard Sizes of Blue Serrated Cross Drill | 5mm, 6mm, 8mm, 10mm, 12mm |
| Certification | CE、EN: 13236 |
| Shank Type | 6.3mm Universal Hex Shank |
| Tip Structure | Upgraded Cross Serrated Alloy Head (2-tooth + 3-tooth staggered jagged design) |
2. Craft & Performance
Each Blue Serrated Cross Drill is made by integrated precision forging and high-temperature quenching. The core advantage of the Blue Serrated Cross Drill is its newly upgraded cross serrated tip. This Blue Serrated Cross Drill adopts uneven staggered 2-tooth plus 3-tooth jagged teeth, integrating multiple cutting advantages to boost drilling efficiency by 30% compared with ordinary drill bits.
The serrated alloy teeth of the Blue Serrated Cross Drill are firmly welded and covered with full-body blue anti-rust coating, improving wear resistance greatly. CNC deepened spiral flutes on the Blue Serrated Cross Drill rapidly discharge stone dust and debris without clogging during continuous work.
The standard hex shank of every Blue Serrated Cross Drill makes full contact with drill chucks, preventing slipping and shaking at high rotating speed. Layered cutting of the Blue Serrated Cross Drill reduces impact force on fragile materials like tile and stone, effectively avoiding cracking. The smooth blue coating lowers friction heat during heavy drilling, extending the service life of each Blue Serrated Cross Drill far longer than traditional triangle drill bits. Balanced spiral structure cuts vibration, so the Blue Serrated Cross Drill produces smooth, burr-free round holes on brittle stone and tile.
Application
The versatile Blue Serrated Cross Drill fits home DIY, commercial renovation and hardware repair drilling tasks. The Blue Serrated Cross Drill delivers clean holes on ceramic tile and vitrified tile. This Blue Serrated Cross Drill also works perfectly on artificial stone, marble, granite and quartz without chipping or splitting surfaces.
For daily installation, users can mount this Blue Serrated Cross Drill on cordless screwdrivers, hand drills and light impact drills to drill holes for hooks, storage shelves, water pipe parts and switch boxes. Professional workers and DIY hobbyists all trust the Blue Serrated Cross Drill for small renovation jobs, thanks to its fast cutting speed and universal hex shank. Whether you drill cabinet mounting holes or garden decorative stone, the Blue Serrated Cross Drill is your reliable multi-purpose hole-making tool.
Advantages
1. Upgraded Staggered Serrated Cross Tip: The uneven 2+3 tooth jagged head of the Blue Serrated Cross Drill cuts layer by layer, lifting efficiency by 30% and preventing fragile tile/stone cracking.
2. Universal Anti-slip Hex Shank: Standard 6.3mm hex shank of the Blue Serrated Cross Drill fits most drill chucks, tight clamping without wobble during high-speed drilling.
3. Full-body Blue Anti-corrosion Coating: Surface treatment of the Blue Serrated Cross Drill resists rust and reduces wear after long repeated use.
4. Deep Spiral Chip Removal Flutes: Enlarged spiral grooves of the Blue Serrated Cross Drill quickly expel drilling waste to avoid bit jamming and edge breakage.
5. Complete Standard Size Range: The Blue Serrated Cross Drill set covers 5–12mm, satisfying over 95% household and small construction hole demands.
6. Stable Clean Drilling Effect: Symmetrical body of the Blue Serrated Cross Drill creates smooth round holes without rough chipped edges on brittle substrates.
7. Long Durable Service Life: Strict hardening heat treatment lets each Blue Serrated Cross Drill handle frequent heavy drilling, cutting long-term tool replacement cost.
FAQ
Q1: What materials can the Blue Serrated Cross Drill drill?
A1: The Blue Serrated Cross Drill applies to ceramic tile, vitrified tile, artificial stone, marble, granite and quartz. It cannot drill thick reinforced concrete or hard metal sheets.
Q2: Does the hex shank of the Blue Serrated Cross Drill fit cordless screwdrivers?
A2: Yes, the unified 6.3mm hex shank of the Blue Serrated Cross Drill matches most cordless drills and impact screwdrivers on market.
Q3: Can we customize logo and package for bulk orders of the Blue Serrated Cross Drill?
A3: Yes, our factory provides full OEM & ODM customization service for the Blue Serrated Cross Drill, including custom private logo printing and personalized packaging for wholesale buyers.
Q4: Do we need cooling water when using the Blue Serrated Cross Drill on tile and stone?
A4: We highly recommend dripping cooling water on drilling positions when using the Blue Serrated Cross Drill on tile, marble or quartz. Water reduces friction heat to stop material cracking and extend the lifespan of your Blue Serrated Cross Drill.
